JP2012242629A - Image forming apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an image forming apparatus, which prevents an apparatus body from toppling over even when receiving external force such as excessive shock and vibration during an earthquake or the like, and in which a fixture such as a wire can be easily attached to the apparatus body without impairing outside appearance.SOLUTION: An image forming apparatus 100 comprises: an anchor 55 fixed to a wall surface 101 or a floor surface; a linear wire 51 engaged with the anchor 55, for preventing toppling of an apparatus body 2 by the tension of the engagement; and front side and rear side knob members 32 and 33 projecting outside from the apparatus body, which a user can hold to transport the apparatus body 2. The wire 51 has one end engaged with the anchor 55 and the other end engaged with the rear side knob member 33.

Description

  The present invention relates to an image forming apparatus provided with a fixing device for protecting an image forming apparatus such as a copying machine, a printer, a facsimile, or a composite machine thereof from an external force such as an excessive shock or vibration in an earthquake or the like. is there.

  Conventionally, an image forming apparatus is provided with a caster on the bottom surface of the apparatus main body to be transported to an office or the like, and is transported to a predetermined position by the caster and fixed to the floor surface by locking the caster at a predetermined position. It was. However, if an external force such as an excessive impact or vibration is applied to the image forming apparatus main body due to an earthquake or the like, the impact force to the lock part of the caster becomes excessive, and the part that receives this large impact force is damaged or destroyed. May end up. Further, in a copying machine or the like in which the apparatus main body is bulky and the center of gravity is located above, the apparatus main body may not fall over even if the caster is locked.

  Therefore, in Patent Document 1, the image forming apparatus is prevented from falling using a wire. That is, one end of the wire is locked to a fixing member fixed to the floor surface of an office or the like. Then, the wire is passed through a fixing bracket fixed to the lower part of the apparatus main body, and is stretched so as to surround the lower part of the apparatus main body from the outside without loosening in a state of being in contact with the caster. Furthermore, the other end of the wire is locked to the floor surface via a lock member having a function of adjusting the length of the wire. When an excessive shock or vibration occurs due to an earthquake or the like, the wire is stretched by the lock member because the device body receives an excessive external force by locking the wire through the lock member. As a result, excessive external force is absorbed and the image forming apparatus is prevented from falling.

JP-A-9-280288 (paragraphs [0029] to [0033], FIG. 1)

  However, in patent document 1 mentioned above, a wire is stretched | stretched so that the circumference | surroundings of a caster may be enclosed from the outer side in the lower part of an apparatus main body. In this configuration, the work of attaching the wire to the apparatus main body is complicated, and the wire is exposed to the front surface side of the apparatus main body, and the appearance is impaired.

  The present invention has been made in order to solve the above-described problems, and prevents the apparatus body from overturning even when an external force such as an excessive shock or vibration is received in an earthquake or the like, and a fixture such as a wire. It is an object of the present invention to provide an image forming apparatus that can be easily attached to the apparatus main body and that does not impair the appearance.

  In order to achieve the above object, a first invention is an image forming apparatus including a fixture for preventing the apparatus body from overturning, a fixing member fixed to a floor surface or a wall surface, and the fixing member. A linear fixture that prevents the device body from overturning when it is stopped and tensioned, and a plurality of handle members that protrude from the device body to the outside. While being locked, the other end is locked to one of the plurality of handle members.

  According to a second aspect of the present invention, in the above image forming apparatus, the handle member can be stored in the apparatus main body in a state where the fixing member is locked.

  According to a third aspect of the present invention, in the image forming apparatus, a plurality of the fixtures are provided.

  According to a fourth aspect of the present invention, in the above image forming apparatus, the plurality of handle members are provided on each of the left and right side portions of the apparatus main body, and the fixing members are disposed on the rear surface side of the side portions. It is characterized by being locked to a handle member.

  According to the first invention, when an excessive impact or vibration is applied to the image forming apparatus due to an earthquake or the like, tension is applied to the fixture, and the apparatus main body and the floor surface or wall surface are locked by the tension applied to the fixture. For this reason, the apparatus main body is supported on the floor surface or wall surface via the fixture, and the apparatus main body is prevented from falling. In addition, since the fixing tool is attached to the handle member that conveys the apparatus main body, the fixing tool can be easily attached to the apparatus main body, and the appearance is not impaired.

1 is a schematic sectional view of an internal configuration of an image forming apparatus according to an embodiment of the present invention. The perspective view which shows the external appearance of an image forming apparatus provided with the handle member which is embodiment The perspective view which shows the handle member which attached the fixing tool which is embodiment FIG. 2 is a perspective view illustrating an appearance of an image forming apparatus that stores a handle member according to an embodiment.

  Embodiments of the present invention will be described below with reference to the drawings, but the present invention is not limited to these embodiments. Further, the use of the invention and the terms shown here are not limited thereto.

  FIG. 1 is a schematic cross-sectional view showing an internal configuration of an in-body discharge type image forming apparatus. Under the image forming apparatus 100, a cassette type paper feeding unit 10 is disposed. The paper feeding unit 10 has upper and lower two-stage paper feeding cassettes 10a and 10b, and sheets before printing are stacked and stored in the paper feeding cassettes 10a and 10b. The paper stored in the paper cassettes 10a and 10b is fed out one by one from the selected paper cassette 10a (10b) by the paper pickup roller 10d (10e), and the fed paper is sent out to the paper transport path 11. It is.

  A manual feed tray 10 c is disposed on the right side surface of the image forming apparatus 100. The manual feed tray 10c can be loaded with paper having a size different from that of the paper feed cassettes 10a and 10b. The paper placed on the manual feed tray 10 c is sent out to the paper transport path 11.

  The sheet conveyance path 11 extends in the vertical direction of the apparatus main body 2 on the left side of the sheet feeding unit 10. The sheet fed from the sheet feeding unit 10 is conveyed to the registration roller pair 12 above the sheet conveying path 11. The registration roller pair 12 sends the paper toward the image forming unit 3 in synchronization with the timing of transferring the toner image onto the paper.

  A document reading device 6 is disposed above the image forming apparatus 100, and a platen (document pressing) 24 is provided on the upper surface of the document reading device 6 so as to be openable and closable. Is attached. When copying an original, the originals placed on the original conveying device 27 are separated one by one and sent to the original reading unit, and the original reading device 6 reads the image data of the original.

  An image forming unit 3 is disposed substantially at the center of the image forming apparatus 100. The image forming unit 3 includes a photoconductor 5 that is an image carrier, and further, around the photoconductor 5 in order along its rotation direction (A direction in the drawing), a charging unit 4, an exposure unit 7, and a developing unit. A unit 8, a transfer roller 13, and a cleaning unit 18 are provided. The toner is supplied to the developing unit 8 from the toner container 9. The cleaning unit 18 includes a cleaning member such as a blade, a brush, or a polishing roller, and removes and collects toner remaining on the surface of the photoreceptor 5 by the cleaning member.

  When the surface of the photoreceptor 5 is uniformly charged with a predetermined polarity and potential by the charging unit 4, the exposure unit 7 is placed on the photoreceptor 5 based on the image data of the document read by the document reader 6. An electrostatic latent image of the original image is formed.

  The developing unit 8 supplies charged toner to the surface of the photoconductor 5 and develops the electrostatic latent image on the photoconductor 5 to form a toner image. The toner image is transferred onto the paper by the transfer roller 13. The sheet on which the toner image has been transferred is conveyed to a fixing unit 14 disposed above the sheet conveyance path 11. After the toner image is transferred to the paper, the toner remaining on the surface of the photoconductor 5 is cleaned and collected by the cleaning unit 18, and the residual charge on the surface of the photoconductor 5 is removed by a static elimination device (not shown).

  The fixing unit 14 includes a fixing roller 14a having a built-in heat source and a pressure roller 14b, and pressurizes and heats the paper on which the toner image has been transferred by the fixing roller 14a and the pressure roller 14b, thereby converting the toner image on the paper. Melt and fix. The sheet on which the toner image is fixed is conveyed to the upper right in the sheet conveyance path 11 and is discharged by the discharge roller pair 20 to the in-body discharge unit 17 which is a discharge unit.

  A reverse conveyance path 16 is provided that branches from the sheet conveyance path 11 between the fixing unit 14 and the discharge roller pair 20. The reverse conveyance path 16 is used when a toner image is fixed on one side of the paper and then formed on the other side of the paper as needed. It covers the periphery of the fixing unit 14, extends further below the apparatus main body 2, and joins the sheet conveyance path 11 near the registration roller pair 12.

  When performing double-sided printing, the paper on which the toner image is fixed on one side of the paper is discharged to the in-body paper discharge unit 17 while the branch portion between the paper conveyance path 11 and the reverse conveyance path 16 is moved to the rear of the paper. The discharge roller pair 20 is reversely rotated at the timing when the end passes. As a result, the paper is switched back, sent to the reverse conveyance path 16 with the printing surface of the paper turned upside down, and conveyed from the reverse conveyance path 16 to the registration roller pair 12 of the paper conveyance path 11 again. Thereafter, when the toner image is transferred to the other side of the sheet by the image forming unit 3, the sheet is fixed by the fixing unit 14 and discharged to the in-body sheet discharge unit 17.

  FIG. 2 is a perspective view illustrating an appearance of an image forming apparatus including a handle member, and FIG. 3 is a perspective view illustrating the handle member to which a fixing tool is attached. FIG. 4 is a perspective view showing an appearance of the image forming apparatus in which the handle member is accommodated.

  As shown in FIG. 2, in the image forming apparatus 100, the outer surface of the apparatus main body 2 is formed in a vertically long rectangular parallelepiped shape by a front surface portion 2a, side surface portions 2b on both sides, and a rear surface portion 2c. An operation panel 21 is disposed on the front surface portion 2a. The operation panel 21 includes an operation unit and a display unit made up of liquid crystal elements, and a print mode and the like are displayed on the display unit based on a command for the number of prints and a paper size from the operation unit. Casters 2d are provided at the four corners of the bottom surface of the image forming apparatus 100. The image forming apparatus 100 is transported by the casters 2d, and a lock plate 2e is attached to the apparatus main body 2 at a predetermined position so that the floor surface of an office or the like. Fixed to. Two lock plates 2e are provided on each of the side surface portion 2b and the rear surface portion 2c. Instead of the lock plate 2e, the caster 2d may be provided with a lock portion. Further, the image forming apparatus 100 according to the present embodiment can be provided with an additional paper feeder 57 as an optional unit according to the needs of the user. In FIG. 2, a paper feeder 57 provided with casters 2 d is installed on the floor surface, and the apparatus main body 2 is overlapped and connected on the paper feeder 57. In the image forming apparatus 100 that does not connect the paper feeder 57, casters 2 d can be provided at the four corners of the bottom surface of the apparatus body 2.

  A front handle member 32 and a rear handle member 33 are disposed on each side surface portion 2 b of the apparatus main body 2. The front handle member 32 and the rear handle member 33 are provided at the same height from the floor, and the front handle member 32 is disposed on the front surface portion 2a side of the apparatus body 2, while the rear handle member 33 is It is arranged on the rear surface part 2c side of the apparatus main body 2.

  The front and rear handle members 32 and 33 are held by the user when the image forming apparatus 100 is transported to a predetermined position. When the paper feeder 57 is connected to the image forming apparatus 100, The rear handle members 32 and 33 are held and the apparatus main body 2 is pushed and pulled. By this operation, the caster 2d rolls on the floor surface, and the image forming apparatus 100 can be conveyed to a predetermined position. When the paper feeder 57 is not connected to the image forming apparatus 100, the image forming apparatus 100 can be conveyed to a predetermined position by grasping the front and rear handle members 32 and 33 and lifting the apparatus main body 2. After conveying the image forming apparatus 100, the front and rear handle members 32 and 33 can be stored in the apparatus main body 2.

  As shown in FIG. 3, each side surface portion 2 b of the apparatus main body 2 is provided with a storage portion 2 f. The storage portion 2 f is formed by a groove extending elongated on the rear surface portion 2 c side of the apparatus main body 2, and can store the rear handle member 33. Similarly to the rear handle member 33, the front handle member 32 can be stored in the storage portion.

  The rear handle member 33 is supported by a frame (not shown) provided in the apparatus main body 2 so as to be rotatable in the arrow direction of FIG. Therefore, when the rear handle member 33 is rotated leftward from the state in which the rear handle member 33 can be gripped (the state shown in FIG. 3), the rear handle member 33 is moved to the storage portion 2f.

  The rear handle member 33 is formed in a rod shape with rigidity capable of lifting and holding the apparatus main body 2. As described above, one end portion of the rear handle member 33 is rotatably supported by the frame of the apparatus main body 2, and the other end portion of the rear handle member 33 has an attachment hole 33a.

  A wire 51 as a fixture is attached to the attachment hole 33a. The wire 51 is locked to the rear handle member 33 by fastening one end of the wire 51 to the attachment hole 33a. The other end of the wire 51 is locked by being fastened to an anchor 55 that is a fixing member. The anchor 55 is fixed to a wall surface 101 such as an office by press-fitting or screwing. In a state where the rear handle member 33 is stored in the storage portion 2f of the apparatus main body 2, the user adjusts the length so that the wire 51 is properly loosened or tensioned with a predetermined tension or less. Then, the wire 51 is attached to the anchor 55. The anchor 55 may be provided on the floor surface. In addition, the fixing tool can use various linear members that have flexibility and have tensile strength that can withstand predetermined impacts and vibrations. For example, a wire 51 made of stainless steel, a resin fiber shape such as a polyamide resin, and the like. Ropes, wires, chains, belts, etc. can be used.

  As shown in FIG. 4, two wires 51 are provided. One end of each wire 51 is attached to each rear handle member 33 provided on the side surface 2 b on both sides of the apparatus main body 2. The other end of each wire 51 is attached to an anchor 55 (see FIG. 3). Two anchors 55 may be provided corresponding to each wire 51, and each wire 51 may be locked to each anchor 55, and the two wires 51 may be locked together in one anchor 55. Also good.

  When an excessive impact or vibration is applied to the image forming apparatus 100 due to an earthquake or the like, a predetermined tension is applied to the two wires 51, and the image forming apparatus 100 and the wall surface 101 or the floor surface are engaged by the tension applied to each wire 51. Therefore, the image forming apparatus 100 is supported on the wall surface 101 or the floor surface via the wires 51, and the image forming apparatus 100 is prevented from falling.

  Moreover, since it is the structure which attaches the wire 51 to the rear side handle member 33 which conveys the apparatus main body 2, the wire 51 can be easily attached to the apparatus main body 2, and an external appearance is not impaired.

  Further, since the wire 51 is locked to the rear handle member 33 in the housed state, the appearance is not impaired.

  In the above embodiment, the configuration in which each wire 51 is locked to the rear handle member 33 is shown. However, the present invention is not limited to this, and for example, image formation is performed so that one side surface portion 2b faces the wall surface 101. When the apparatus 100 is installed, each wire 51 may be configured to be locked to the front and rear handle members 32 and 33 of the one side surface portion 2b. Moreover, the wire 51 may be one. In this case as well, the same effects as in the above embodiment can be obtained.

  Moreover, in the said embodiment, although the structure which rotates the front side and the rear side handle members 32 and 33 to a horizontal direction, and accommodates in the apparatus main body 2 was shown, this invention is not limited to this, A front side and a rear side handle When the members 32 and 33 are stored, the front and rear handle members 32 and 33 may be configured to rotate in the vertical direction, and the front and rear handle members 32 and 33 are disposed in the main body 2 along the longitudinal direction. It may be configured to be inserted or pulled out.

  INDUSTRIAL APPLICABILITY The present invention is used for an image forming apparatus provided with a fixing device for protecting an image forming apparatus such as a copying machine, a printer, a facsimile, or a composite machine thereof against an excessive force such as an earthquake or an external force such as vibration. be able to.

2 apparatus main body 2a front surface portion 2b side surface portion 2c rear surface portion 2f storage portion 32 front handle member 33 rear handle member (handle member)
33a Mounting hole 51 Wire (fixture)
55 Anchor (fixing member)
100 Image forming apparatus

Claims (4)

An image forming apparatus provided with a fixture for preventing the apparatus body from overturning,
A fixing member fixed to a floor surface or a wall surface;
A linear fixture that prevents the apparatus body from overturning by being locked by the fixing member and applying tension;
A plurality of handle members protruding outward from the apparatus main body,
The image forming apparatus according to claim 1, wherein one end of the fixing tool is locked to the fixing member, and the other end is locked to one of the plurality of handle members.   The image forming apparatus according to claim 1, wherein the handle member can be stored in the apparatus main body in a state where the fixing member is locked.   The image forming apparatus according to claim 1, wherein a plurality of the fixtures are provided.   The plurality of handle members are respectively provided on the left and right side surfaces of the apparatus main body, and each of the fixing members is locked to a handle member disposed on the rear surface side of each of the side surfaces. Item 4. The image forming apparatus according to Item 3.

Images