JP2007259287A - Electronic equipment - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide electronic equipment capable of imparting high convenience matching the contents of operation and/or the state of processing. <P>SOLUTION: The electronic equipment comprises a plurality of column parts 3 stood vertically on a floor surface, engagement members which engage the respective column parts 3 to be elevated, a main body part 1 which is supported by the respective engagement members and performs predetermined processing in response to user's operation, an elevation driving part which elevates and lowers the main body part 1 together with the engagement members, and an elevation control part which controls the elevation driving part according to the contents of the operation and/or the state of the processing. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an electronic device, and more particularly to an electronic device capable of adjusting the height of a main body.

  2. Description of the Related Art Generally, relatively large electronic devices such as image forming apparatuses are used without shifting their positions after being installed on a floor surface. In addition, the height from the floor of each part of the device, for example, the operation panel unit, the paper feed tray unit, the paper discharge tray unit, the document reading unit, the toner supply unit, etc. in the image forming apparatus is the originally designed height. It is fixed to. For example, the height of the operation panel unit is designed based on a height at which an average height adult can easily operate. Generally, the height is about 80 to 120 cm from the floor surface.

  However, the location that the user operates is not limited to the operation panel. For example, in the case of an image forming apparatus, a sheet may be replenished to a paper feed tray unit or a sheet discharged to a paper discharge tray unit may be taken out. Alternatively, the document may be set in the document reading unit (reading unit) or the toner may be supplied to the toner supply unit. It is difficult to arrange these parts at the same height due to the occupied area and the restrictions on the mechanism, and the parts are provided at different heights. Therefore, it is difficult to provide high convenience in all cases.

On the other hand, an electronic device provided with a height adjustment mechanism so that the height of the device can be adjusted is known (for example, see Patent Document 1). However, they are for finely adjusting the height according to the floor on which the equipment is installed, and not for adjusting the height according to the operation or processing status of the equipment.
JP 2005-180471 A

  As described above, the part to be operated varies depending on the processing status of the device. Therefore, if the height from the floor surface of the device can be changed according to the operation content and / or the processing status, the user can be provided with high convenience according to the operation content or the processing status.

  The present invention has been made in consideration of such circumstances, and provides an electronic device that can provide high convenience in accordance with the contents of operation and / or the state of processing.

  The present invention includes a plurality of support columns that are erected in a direction perpendicular to the floor surface, an engagement member that engages with each support member so as to be movable up and down, and supported by each engagement member and a user. A body unit that performs a predetermined process in accordance with the operation, a lift drive unit that lifts and lowers the body unit together with the engaging member, and a lift control that controls the lift drive unit according to the contents of the operation and / or the processing status And an electronic device.

  The electronic apparatus according to the present invention includes the elevation control unit that controls the elevation drive unit in accordance with the content of the operation and / or the status of the process, so that the height is easy to operate according to the content of the operation and / or the status of the process. The main body can be raised and lowered to give the user high convenience.

  The main body may support each engaging member at a peripheral edge in a horizontal cross section, preferably at a corner.

  Moreover, it is further provided with the leg part which is arrange | positioned on a floor surface and pivotally supports each support | pillar part, and each support | pillar part has the external thread part by which a screw thread is formed in the outer peripheral surface, Further, it may have a female screw part that is rotatably engaged with the male screw part, and the elevating drive part may raise and lower the main body part by rotating each supporting column part. If it does in this way, a main-body part can be raised / lowered by rotation of each support | pillar part.

  Further, the elevating drive unit may be configured to adjust the inclination of the main body by independently rotating each support column. In this way, the inclination of the main body can be adjusted without providing a dedicated mechanism.

  Alternatively, each strut portion has a male screw portion having a thread formed on the outer peripheral surface thereof, and each engagement member has a female screw portion that is rotatably engaged with the male screw portion, The main body may support each engaging member so as to be rotatable, and the elevating drive unit may rotate each engaging member to raise and lower the main body. If it does in this way, a main-body part can be raised / lowered by rotation of each engaging member.

  Furthermore, the said raising / lowering drive part can rotate each engaging member independently, and the inclination adjustment of a main-body part may be possible by this. In this way, the inclination of the main body can be adjusted without providing a dedicated mechanism.

  Moreover, when the said support | pillar part is installed indoors, it is arrange | positioned on the ceiling surface of the said room | chamber interior, You may further provide the top support part which supports the top part of each support | pillar part. If it does in this way, each support | pillar part can be supported by the top instruction | indication part.

  Further, when the support column is installed indoors, each support column has a male screw portion in a range from a substantially floor surface height to a substantially ceiling surface height in the room, and within the range, The height may be changeable.

  Furthermore, the electronic apparatus according to the present invention further includes one or more lower connecting portions that connect the lower portions of the plurality of support portions to each other, and one or more upper connecting portions that connect the upper portions of the support portions to each other. A rack portion that holds the main body portion may be configured by the connecting portion, the upper connecting portion, and each support portion. If it does in this way, a main-body part can be raised / lowered along the support | pillar part of a rack.

  Further, the main body may read a document and / or print on a sheet in accordance with a user operation.

  Hereinafter, the present invention will be described in more detail with reference to the drawings. The following description will provide a better understanding of the present invention. In addition, the following description is an illustration in all points, Comprising: It should be thought that it is not restrictive.

(Embodiment 1)
FIG. 1 is a perspective view showing an external appearance of an image forming apparatus as an example of the electronic apparatus of the present invention, specifically, a printer. As shown in FIG. 1, in the printer according to the present invention, four vertical columns 3 pass through the four corners of the main body 1, and the main body 1 can be moved up and down along the columns 3. The lower end of the column 3 is installed on the floor surface via the legs 7. The upper end of the column 3 is supported by the ceiling surface.

  FIG. 2 is an explanatory diagram showing a state in which the main body 1 of FIG. A screw thread is formed on the peripheral surface of each column 3. Here, the peripheral surface on which the screw thread is formed is referred to as a male screw portion. Inside the main body 1, there is provided a nut 5 in which a screw thread (female screw part) to be screwed with a screw thread of each support column 3 is formed. The nut 5 moves up and down in the direction of the arrow A within the range of the male screw portion by rotating relative to the support column 3. The main body 1 is supported on each column 3 via a nut 5.

  A lift drive motor (not shown) is provided inside the leg portion 7, and the column 3 rotates as the lift drive motor rotates. The nut 5 is fixed to the main body 1, and when the column 3 rotates, the main body 1 moves up and down together with the nut 5.

  FIG. 5 is an explanatory diagram showing details of the column 3 and the nut 5 of FIG. In FIG. 5, the above-described lifting drive motor 9 and a driver circuit (not shown) for driving the lift drive motor 9 are arranged inside the leg portion 7. The rotation axis of the lifting drive motor 9 is parallel to the axis of the column 3. When the elevating drive motor 9 rotates, the support column 3 rotates in the direction of arrow B. The nut 5 is fixed to the main body 1. The driver circuit of the lift drive motor 9 is controlled by a control signal from a lift control circuit provided inside the main body 1. In addition, each raising / lowering drive motor 9 is driven mutually independently, and the inclination of the main body 1 may be adjusted.

  The support column 3 corresponds to the support column portion described in the claims, and the nut 5 corresponds to the engagement member described in the claims. The main body 1 corresponds to a main body portion in the claims, and the lifting drive motor 9 corresponds to a lifting drive portion. Further, the above-described control circuit in the main body 1 corresponds to a lifting control unit described in the claims.

  The elevation control circuit may be configured as a part of the main body control circuit that controls the operation of each part of the main body 1. The elevation control circuit includes, for example, a microcomputer, a ROM that stores a program for the microcomputer to execute processing, and an input / output circuit. The input / output circuit includes an input circuit unit to which signals from sensors and switches arranged in each part of the main body are input, and a drive signal for driving the load of each part of the main body based on processing of the computer or a control signal for controlling each load Is included. A control signal for controlling the lifting drive motor 9 is generated by processing of the microcomputer, is output as a control signal from the output circuit unit, and is transmitted to the driver circuit in the leg unit 7 through optical communication such as IrDA. May be. Alternatively, transmission of the control signal may be realized by communication using radio waves such as Bluetooth.

  Moreover, the main body 1 may include a receiving unit that receives instructions from the corresponding remote controller. The remote controller transmits an instruction to the main body 1 using, for example, infrared light. The main body 1 may include a light receiving unit (not shown) in order to receive an instruction from the remote controller. The instruction received by the light receiving unit of the main body 1 is processed by the microcomputer of the main body control circuit described above. In response to the instruction, the main body control circuit may send an instruction to the elevation control circuit to raise and lower the main body 1.

(Embodiment 2)
In the first embodiment, the support column 3 is supported by the floor surface and the ceiling surface. However, the support column 3 may be installed on the floor surface to constitute a rack that supports the main body. FIG. 3 is a perspective view showing the appearance of a printer as another example of the electronic apparatus of the present invention. As shown in FIG. 3, in the printer of this embodiment, two of the four support columns 3 penetrating the main body 1 in the vertical direction are connected to each other at the lower end and the upper end. The lower end is connected by a member constituting the leg portion 7, and the upper end is connected by a connecting member 15. Each column 3 passes through the four corners of the main body 1, and the main body 1 can be moved up and down along the column 3.

  FIG. 4 is an explanatory view showing the manner in which the main body 1 of FIG. 3 moves up and down. A screw thread is formed on the peripheral surface of each column 3. The portion where the thread is formed on the peripheral surface is called a male screw portion. Inside the main body 1, there is provided a nut 5 in which a screw thread (female screw part) to be screwed with a screw thread of each support column 3 is formed. The nut 5 moves up and down in the direction of the arrow C within the range of the male screw portion by rotating relative to the column 3. The main body 1 is supported on each column 3 via a nut 5.

  FIG. 6 is an explanatory diagram showing details of the column 3 and the nut 5 of FIG. In FIG. 5, an elevating drive motor 9 and a driver circuit (not shown) for driving it are arranged inside the main body 1. The nut 5 is supported so as to be rotatable with respect to the main body 1 in a horizontal plane (indicated by an arrow D). The rotation of the lifting drive motor 9 is transmitted to the nut 5 by the drive mechanism. When the elevating drive motor 9 rotates, the nut 5 rotates and moves along the thread formed on the column 3. As a result, the main body 1 that supports the nut 5 in a rotatable manner moves up and down along the column 3.

  The leg portion 7 corresponds to the lower connecting portion described in the claims, and the connecting member 15 corresponds to the upper connecting portion described in the claims.

  The lift drive motor 9 is driven by a driver circuit (not shown), and the driver circuit is controlled by a control signal from a lift control circuit (not shown). The elevation control circuit is disposed in the main body 1. The elevation control circuit may be configured as a part of the main body control circuit that controls the operation of each part of the main body 1. The elevation control circuit includes, for example, a microcomputer, a ROM that stores a program for the microcomputer to execute processing, and an input / output circuit.

(Embodiment 3)
In this embodiment, a detailed configuration of an image forming apparatus will be described as an example of the electronic apparatus of the invention.

  FIG. 7 is a cross-sectional view showing an image forming apparatus as still another example of the electronic apparatus of the present invention. As shown in FIG. 7, the image forming apparatus according to this embodiment is a multi-function machine having a main body 1 and a scanner 1a and a printer 1b. The multi-function apparatus shown in FIG. 7 can process copy, printer, scanner, and fax jobs. The scanner 1a generally includes a scanning optical system 16 and a document conveying device 17 disposed above the scanning optical system 16. The document conveying device 17 is configured to be able to read both sides of a document. .

  The scanning optical system 16 includes a CCD reading unit 18 serving as a reading unit. The scanning optical system 16 scans an image of a document placed on a document table 19 (platen glass), and reads the image by the CCD reading unit 18. I do. The CCD reading unit 18 includes an imaging lens, a CCD image sensor, and the like.

  The document conveying device 17 takes in the documents placed on the document tray 30 in a stacked state one by one, conveys the retrieved documents to the document table 19, and then discharges them to the document discharge tray 36. In the process of transporting the document, the image on the lower surface side of the document is read by the CCD reading unit 18 of the scanning optical system 16 waiting at a predetermined reading position on the document table 19. An image on the upper surface side of the document is read by the contact image sensor 35 provided on the upper surface side of the document conveyance path. The read document image data is sent to the printer 1b and stored in an image memory (not shown).

  Further, the document transport device 17 is configured such that the front portion rotates upward with a hinge (not shown) provided on the back side (back side of the paper surface) of the document table 19 as a rotation fulcrum. As a result, the upper surface of the document table 19 can be opened. When reading a document that cannot be transported by the document transport device 17, for example, a book document, the operator rotates the document transport device 17 upward and sets the document on the document table 19. The scanning optical system 16 scans the document while moving under the document table 19 and reads the document image.

  The printer 1b includes a sheet conveyance system that is a recording material for forming an image, a laser writing unit 46, and an electrophotographic process unit for forming an image. The electrophotographic process section has a photosensitive drum 48 for forming an electrostatic latent image on the surface thereof. The laser writing unit 46 includes a semiconductor laser light source (not shown) that emits laser light in accordance with image data read from an image memory (not shown), a polygon mirror 46b that deflects the laser light, and the deflected laser light is a photoreceptor. An f-θ lens 46c for correcting the optical path of the laser so as to scan the surface of the drum 48 at an equiangular velocity is provided.

  In the electrophotographic process section, a charging device 45, a developing device 47, a toner container 47a, a transfer device 44, a peeling device 43, a cleaning device 42, and a static eliminator 41 are arranged around the photosensitive drum 48. The charger 45 uniformly charges the surface of the photosensitive drum 48. Thereafter, the laser writing unit 46 irradiates the surface of the photosensitive drum 48 with laser light, thereby forming an electrostatic latent image corresponding to the original image. The developing unit 47 attaches toner to the surface of the photosensitive drum 48 corresponding to the formed electrostatic latent image. As a result, a toner image corresponding to the original is formed on the surface of the photosensitive drum 48. The toner container 47 a supplies toner to the developing device 47.

  The above-described sheet conveyance system includes sheet feeding cassettes 51, 52, and 53, a sheet conveyance unit 40, a fixing device 49, and a refeed unit 55. The sheet feeding cassettes 51, 52, and 53 store sheets. A sheet feeding unit is provided corresponding to each sheet cassette, and the sheets are fed one by one from each sheet cassette to the sheet conveying unit 40. The sheet conveying unit 40 conveys the fed sheet to a transfer position where the transfer device 44 is disposed. At the transfer position, the toner image formed on the surface of the photosensitive drum 48 is transferred to the sheet. The fixing device 49 fixes the transferred toner image on the sheet. The re-feed unit 55 is for re-feeding the sheet to the transfer position in order to transfer the image to both the front and back sides of the sheet.

  The sheet on which the image is recorded passes through the main body discharge roller 57 and is discharged to the main body discharge tray 63. Alternatively, it is conveyed to the post-processing device 60. The post-processing device 60 receives a sheet on which an image is recorded, and performs predetermined post-processing on the received sheet. The predetermined post-process is, for example, a process of stacking, stapling, or punching by offsetting sheets in a unit. The post-processing device 60 discharges the sheet to the discharge tray 65a or the discharge tray 65b.

  A lift home position sensor 10 is disposed at the bottom of the printer 1b. The lift home position sensor 10 detects the proximity to the floor surface and outputs a signal before the printer 1b reaches the floor surface. The lift control circuit uses this signal for grasping the reference position (bottom point) of the lift. If a stepping motor is used as the lifting drive motor 9, the lifting control circuit can always grasp and control the lifting positions of the scanner 1a and the printer 1b with the number of steps from the reference position. Or when the raising / lowering drive motor 9 is not a stepping motor, the raising / lowering control circuit can always grasp | ascertain the raising / lowering position of the main body 1 with the number of encoder pulses from a reference position by using a motor with an encoder.

(Embodiment 4)
In this embodiment, each operation part of the image forming apparatus according to the third embodiment will be described. Furthermore, a specific example will be described in which each operation site is adjusted to an optimum height in accordance with the operation of the apparatus or the processing status of the apparatus.

Regarding the image forming apparatus shown in FIG. 7, the contents that the operator operates and the parts thereof are as follows.
1. Operation Panel In FIG. 7, an operation panel 67 is provided on the front side of the document table 19. On the operation panel 67, a display unit for displaying the state of the image forming apparatus and operation keys for the user to input instructions for the image forming apparatus are provided. In the case of a job that is executed by reading an original such as copying, scanner, or fax transmission, the user sets the original at a predetermined position of the image forming apparatus and sets the job using the operation panel 67. In addition, the start key 70a is used to instruct the start of the job.
The operation panel 67 is used to cause the main body 1 to execute a self-diagnosis program provided for adjusting the inclination of the main body described above. When the operator operates an operation key provided on the operation panel 67 in a predetermined procedure, the above-described self-diagnosis program is executed. In the self-diagnosis program, when the operator inputs the height for moving up and down each lifting drive motor 9 using the operation panel 67, the lifting control circuit sets each lifting drive motor 9 according to the input height. Rotate.

  FIG. 8 is an explanatory diagram showing details of the operation panel 67 shown in FIG. As shown in FIG. 8, the operation unit 67 includes a liquid crystal display unit 69 that displays the settings and status of the apparatus, various operation keys, and the like. The operation keys include, for example, a start key 70a for instructing start of a job when the image forming apparatus executes a copy job or a scanner job, and a numeric keypad 70b for setting the number of copies. The main body control circuit described above controls the display content of the display unit and detects that the operation key has been operated.

When the user operates the operation panel, it is preferable that the operation panel 67 is positioned at a height that is easy for the user to operate.
2. Document Tray, Document Stand As described above, when executing a job such as copying, scanning, or fax transmission, the operator needs to set a document to be read at a predetermined position. A sheet document is set on the document tray 30. Documents that cannot be handled by the document feeder 17 such as book documents are set on the document table 19. The document tray 30 is provided with a sensor for detecting whether or not a document is set on the tray, and the main body control circuit can grasp the presence or absence of a document based on a signal from the sensor. Further, the scanner 1 a is provided with a document detection sensor that detects whether or not a document is set on the document table 19 when the document transport device 17 is opened and a document is set on the document table 19. . The main body control circuit can grasp whether or not a document is set on the document table 19 based on a signal from the document detection sensor. The document discharge tray 36 is provided with a sensor for detecting whether or not there is a document discharged on the tray, and the main body control circuit grasps the presence or absence of the document based on a signal from the sensor. it can. When setting a document, it is preferable that the document tray 30 or the document table 19 is positioned at a height at which the user can easily set the document. Further, when the document conveying device 17 is used, it is preferable that the document discharge tray 36 is positioned at a height at which the discharged document can be easily taken out.
3. Paper Discharge Tray The sheet output from the printer is discharged to the main body paper discharge tray 63 or the paper discharge tray 65a or 65b of the post-processing device 60. Each discharge tray is provided with a sensor for detecting whether or not there is a sheet in the discharge tray, and the main body control circuit can grasp the presence or absence of the sheet based on a signal from the sensor. After printing is completed, the user needs to take out the discharged sheets on those trays. At that time, it is preferable that the sheet discharge tray is positioned at a height at which the user can easily take out the sheet.
4). Paper cassette When all the sheets stored in the paper cassette are not fed, it is necessary to replenish the sheets. Each sheet cassette cassette is provided with a sensor for detecting whether or not there is a sheet in the sheet cassette, and the main body control circuit can grasp the presence or absence of the sheet based on a signal from the sensor. When there are no sheets in the sheet cassette, the main body control circuit displays a message to that effect on the display unit of the operation panel 67 and prompts the user to replenish sheets. Alternatively, a display lamp for prompting paper supply may be provided on the exterior of each paper feed cassette. The paper feed cassette can be pulled out to the front side (front side of the paper) of the printer. The user replenishes the sheet while looking at the indication that the paper is out. At this time, it is preferable that the sheet feeding cassette is positioned at a height at which the user can easily replenish sheets.
5). Toner Container The toner container 47a is exposed and can be replaced when the user opens a toner container replacement door (not shown) on the front side of the printer. The printer 1b is provided with a toner sensor that detects toner out when the toner stored in the toner container 47a runs out. The opening / closing door for exchanging the toner container is provided with a sensor for detecting opening / closing of the door. The main body control circuit can grasp the presence or absence of toner in the toner container 47 based on a signal from the toner sensor. Further, the open / closed state of the door can be grasped based on the signal of the sensor provided on the door. When the toner out is detected, the main body control circuit displays the fact on the display unit of the operation panel 67 and prompts the user to replace the toner container 47. Alternatively, the exterior portion may have a display lamp for prompting replacement of the toner container 47a. The user looks at the display on the display unit and replaces the toner container 47a with a new one. At this time, it is preferable that the toner container 47a is positioned at a height that can be easily replaced by the user.
6). Electrophotographic process section The photoconductive drum 48 of the electrophotographic process section needs to be replaced when the lifetime is reached. At the same time, it is necessary to clean the periphery. The main body control circuit stores the number of prints on the photosensitive drum 48 and displays on the display unit of the operation panel 67 that the maintenance time has come when the predetermined number is reached. The user looks at the display and performs maintenance work by himself / herself or contacts specialized maintenance personnel. When performing maintenance work, an operator opens the maintenance door on the front side of the printer 1a to access the electrophotographic process section. The maintenance door is provided with a sensor for detecting opening and closing of the door. The main body control circuit can grasp the open / closed state of the door based on the signal of the sensor. At this time, it is preferable that the electrophotographic process section is located at a height at which the operator can easily work.

  The above-mentioned main body control circuit grasps each situation of the image forming apparatus as described above. The raising / lowering control circuit controls the raising / lowering of the main body based on the status of the device ascertained by the main body control circuit.

  For example, the elevation control circuit positions the main body at a height at which the user can easily operate the operation panel 67 in a standby state waiting for processing. The height of the operation panel 67 is substantially the same as the height of the document table 19, and the height is not much different from the height of the document tray 30.

  In the standby state, when the user sets a document on the document tray 30, sets each condition of the copy job on the operation panel 67, and presses the start key 70a, the copy job is started. First, a document set on the document tray 30 is read. When all the originals are discharged to the original discharge tray 36 and the discharged originals are taken out from the original discharge tray 36, the elevation control circuit acquires the status from the main body control circuit. The elevation control circuit raises and lowers the printer 1b to a height at which the user can easily take out the discharged sheet from the discharge tray according to the acquired situation. The main body control circuit grasps to which discharge tray the sheet is discharged. The elevation control circuit obtains information on which paper discharge tray the sheet is discharged from the main body control circuit. In accordance with the acquired information, the elevation control circuit determines a height for raising and lowering the printer 1b.

  When the main body control circuit detects that the user has taken out the sheet from the paper discharge tray, the elevation control circuit acquires the information from the main body control circuit, and the main panel 1 is returned to its original height, that is, the operation panel 67 Raise and lower to a height that is easy to operate.

  Further, when there is no sheet in the paper cassette during the copying process, the main body control circuit detects that the sheet has run out and interrupts the copy printing process. Then, a message that prompts the user to replenish the sheet is displayed on the display unit. If there is a display lamp in the paper feed cassette, the lamp is used for display. The elevation control circuit acquires from the main body control circuit that the sheet needs to be replenished. In accordance with the acquired information, the elevation control circuit raises and lowers the main body 1 to a height at which the user can easily replenish sheets in a sheet feeding cassette without sheets.

  Alternatively, when the toner in the toner container 47a runs out, the main body control circuit detects that the toner has run out, and displays a message prompting toner replenishment on the display unit after the end of the copy job. If there is a toner supply indicator lamp on the exterior, the lamp is used for display. Even if there is no toner in the toner container 47a, the in-process copy can be continued if the developer 47 has toner. The elevation control circuit acquires from the main body control circuit that toner supply is necessary. In accordance with the acquired information, the elevation control circuit raises and lowers the main body 1 to a height at which the user can easily replace the toner container 47a.

  Further, when maintenance work such as replacement of the photosensitive drum 48 is performed, when the operator opens the maintenance door, the main body control circuit detects this and the main body 1 is at a height at which the worker can easily perform the maintenance work. Raise and lower.

  Finally, it is apparent that there can be various modifications of the present invention in addition to the above-described embodiment. Such variations are not to be construed as not belonging to the features and scope of the invention. The scope of the present invention is intended to include all modifications within the meaning and range equivalent to the scope of the claims.

1 is a perspective view illustrating an appearance of a printer as an example of an electronic apparatus according to the invention. It is explanatory drawing which shows a mode that the main body 1 of FIG. It is a perspective view showing the appearance of a printer as another example of the electronic apparatus of the present invention. It is explanatory drawing which shows a mode that the main body 1 of FIG. 3 raises / lowers. It is explanatory drawing which shows the detail of the support | pillar 3 and the nut 5 of FIG. It is explanatory drawing which shows the detail of the support | pillar 3 and the nut 5 of FIG. It is sectional drawing which shows the image forming apparatus as another example of the electronic device of this invention. It is explanatory drawing which shows the detail of the operation panel 67 shown in FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Main body 1a Scanner 1b Printer 3 Strut 5 Nut 7 Leg 9 Lifting drive motor 10 Lifting home position sensor 11 Floor 13 Ceiling 15 Connecting member 16 Scanning optical system 17 Document transport device 18 CCD reading unit 19 Document table 24 Light source lamp 30 Document tray 35 Contact type image sensor 36 Document discharge tray 40 Sheet transport unit 41 Static eliminator 42 Cleaning unit 44 Transfer unit 45 Charger 46 Laser writing unit 46b Polygon mirror 46c f-θ lens 47 Developer 47a Toner container 48 Photosensitive drum 49 Fixing Container 50 Paper feed path 51, 52, 53 Paper feed cassette 55 Refeed unit 56 Refeed paper feed path 57 Main body discharge roller 60 Post-processing device 61 Stapler 63 Main body discharge tray 65a, 65b Discharge tray 67 Operation Channel 69 the liquid crystal display unit 70a start key 70b numeric keypad

Claims (10)

A plurality of struts erected in a direction perpendicular to the floor surface;
An engaging member that engages with each column so as to be movable up and down;
A main body that is supported by each engaging member and performs a predetermined process in accordance with a user operation;
An electronic apparatus comprising: an elevating drive unit for elevating the main body unit together with the engaging member; and an elevating control unit for controlling the elevating drive unit according to the contents of the operation and / or the processing status.   The electronic device according to claim 1, wherein the main body portion supports each engaging member at a peripheral edge portion in the horizontal cross section, preferably at a corner portion. It is further arranged on the floor surface, and further includes legs that pivotally support each column.
Each strut part has a male thread part formed with a thread on its outer peripheral surface,
Each engaging member has a female screw portion that is rotatably engaged with the male screw portion,
The electronic device according to claim 1, wherein the elevating drive unit rotates each support column to raise and lower the main body.   The electronic device according to claim 3, wherein the elevating driving unit is configured to independently adjust each column unit to adjust the inclination of the main body unit. Each strut part has a male thread part formed with a thread on its outer peripheral surface,
Each engaging member has a female screw portion that is rotatably engaged with the male screw portion,
The main body part rotatably supports each engaging member,
The electronic device according to claim 1, wherein the elevating drive unit rotates each engaging member to elevate the main body.   The electronic device according to claim 5, wherein the elevating drive unit is capable of independently rotating each engaging member, and thereby the inclination of the main body can be adjusted.   The electronic device according to claim 1, further comprising: a top support portion that is disposed on a ceiling surface of the room when the support column is installed indoors and supports a top of each support column.   When the support column is installed indoors, each support column has a male screw part in a range from a substantially floor surface height to a substantially ceiling surface height in the room, and the height of the main body part within the range. The electronic device according to claim 3 or 5, wherein can be changed. One or more lower connecting portions that connect lower portions of the plurality of support portions to each other;
One or more upper connecting portions that connect the upper portions of the plurality of support portions to each other;
The electronic device according to claim 1, wherein a rack portion that holds the main body portion is constituted by the lower connecting portion, the upper connecting portion, and each support portion.   The electronic device according to claim 1, wherein the main body reads a document and / or prints on a sheet in accordance with a user operation.