JP2017012753A - Top board lifting type furniture device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To operate so as to prevent a worker and a peripheral article from coming into contact with a power cable with a simple structure.SOLUTION: A top board lifting type desk device 1 comprises, as a leg member 8 of a top board having a work surface at a top surface, a lower support body 9A for supporting an upper support body for supporting the top board and a middle support body in a liftable manner. A power cable 13 connected to a control unit for raising and lowering the leg member 8 extends downward from an undersurface of the top board and is connected to a commercial power source or the like through a floor surface F. The power cable 13 is stored inside a cable protection chain 14 extending downward from the undersurface of the top board and is suspended downward inside a wiring duct 16. The cable protection chain 14 is curved in a substantially J shape and supported on the upper part of the wiring duct 16. The lower support body 9A is surrounded by a fitting frame 18. Lock claw parts of the wiring duct 16 are engaged with and locked to slits 19a of a pair of lock parts 19 formed in an opening of the fitting frame 18.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a fixture device such as a desk device or a table device that is installed in a work space such as an office, a hospital, or a public facility, and can adjust the height of the top plate in the vertical direction.

2. Description of the Related Art Conventionally, in office spaces such as offices, hospitals, and public facilities, desk devices, table devices, and the like are generally provided in order to provide a work area in the office. For example, when a desk device is installed in the office space, the top height of the desk device that is easy to work with varies depending on the physique, gender, preference, etc. of the office worker. Since a desk device with a fixed top plate height cannot handle such a situation, a desk device that allows the top plate height to be adjusted up and down is used.
By using such a desk top and bottom type desk device, it is possible to provide a work area with a top board height that suits the preference of the worker, improving work efficiency and reducing the burden and burden on the worker's body. Can be reduced.

In a conventional desk apparatus, a method using a gas spring, a method using a gear, and the like described in Patent Documents 1 and 2 have been proposed as elevating means for changing the height of the top plate up and down. According to these lifting means, the structure is relatively simple and the cost can be kept low.
However, these manual lifting and lowering means sometimes have difficulty in operating the operation unit by a weak worker. In addition, there was a problem that working posture deteriorated when working at the height of the top board that did not meet the preference of the worker.

As means for improving such a problem, in order to improve the operability of the desk device, for example, many devices including an electric drive unit as described in Patent Documents 3 to 5 are employed. According to the electric desk device, the office worker can easily adjust to a suitable top plate height.
In a top-and-bottom desk system equipped with an electric drive unit, it is necessary to supply power from the commercial power supply provided in the office space to the drive unit provided in the desk body. Had to be drawn into. The drive unit of the electric drive unit is often installed in the top plate or on the back surface of the top plate. In these cases, the power cable of the drive unit provided near the top plate is suspended to the floor and commercial power is supplied. Connected to.

Japanese Patent No. 3371959 Japanese Patent No. 3391285 Utility Model Registration No. 316439 Japanese Patent No. 4846347 JP 2014-113505 A

However, in the above-described electric desk device, the height of the top plate can be changed up and down, so that the power cable suspended following the up and down operation of the top plate moves up and down. Then, there is a possibility that the power cable may be caught by another article disposed around or below the top plate of the desk device. In addition, when the office worker performs work, the body or feet of the office worker may touch the power cable, which is not preferable.
Furthermore, since the electric drive unit has a built-in drive mechanism, there is a problem that it is difficult to process when a wiring duct is attached to a power cable near the electric drive unit.

  SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has a top-and-bottom lift apparatus that has a simple structure and can be operated without the risk that a worker or a nearby object will come into contact with the power cable. The purpose is to provide.

A top plate lifting apparatus according to the present invention includes a top plate having a work surface on an upper surface, an extendable leg having a lower support that supports an upper support that supports the top so that the top plate can be moved up and down, An attachment portion attached to the lower support of the leg, and a wiring accommodation portion that is attached to the attachment portion and accommodates wiring extending from the top plate side are provided.
According to the fixture device of the top plate raising / lowering system according to the present invention, the leg is processed by accommodating the wiring hanging from the top plate side and extending to the lower support of the leg in the wiring accommodation connected to the attachment. Without being applied, the wiring can be guided and extended to the floor surface along the lower support. Therefore, when the top plate is raised or lowered, the wiring is bent and displaced according to the raising and lowering of the top plate, and on the floor side, the wiring can be held along the wiring accommodating portion connected to the lower support, so that the wiring can be used by office workers and legs. It is possible to prevent contact with or entanglement of articles in the vicinity of the body.

In addition, a wiring guide that accommodates wiring extending from the top plate to the wiring accommodation portion and can be bent and displaced according to the elevation of the top plate is provided, and the wiring guide portion is attached to the attachment portion or the wiring accommodation portion. Is preferred.
By attaching the lower end of the wiring guide section to the mounting section or the wiring housing section, the wiring guided in the wiring guide section is reliably guided down in the wiring housing section connected to the mounting section, on the floor surface. It is possible to prevent the wiring from coming into contact with or entangled with the office worker or the article near the leg.

Moreover, the engaging part provided in the wiring accommodating part may be engaged with the engaging part provided in the attaching part.
By engaging the engaging portion of the wiring housing portion with the engaging portion of the mounting portion attached to the lower support body, the wiring housing portion is fixed by the lower support body of the leg body, and the wiring is along the lower support body. Can be guided by the wiring accommodating portion.

Further, the attachment portion surrounds the entire circumference of the lower support, and one of the engagement portion provided in the attachment portion and the engagement portion provided in the wiring housing portion is a slit, and the other is engageable with the slit. It may be a locking claw.
By engaging the latching claw portion with the slit, the wiring housing portion can be held by the mounting portion that surrounds substantially the entire circumference of the lower support.

Moreover, it is preferable that at least one of the attachment portion and the wiring housing portion is colored for identification.
By coloring at least one of the mounting portion and the wiring accommodating portion and changing the coloring depending on different floors and spaces, it is possible to easily identify the work content and the type of work in the work space.

  According to the furniture device of the top plate raising / lowering method according to the present invention, the structure is simple and easy to install, and the wiring can be installed without processing the legs, so that the processing man-hours and processing costs can be reduced. it can. In addition, there is no risk of wiring coming into contact with office workers or articles around the furniture device, and high operability and safety can be ensured.

It is a principal part perspective view which shows the top plate raising / lowering type desk apparatus by 1st embodiment of this invention. It is a perspective view of the cable protection chain which hangs down along a leg from the top plate shown in FIG. It is a disassembled perspective view which shows the lower support body and wiring duct of a leg. It is the figure which connected the wiring duct to the attachment frame attached to the lower support body of a leg, (a) is a side view, (b) is a front view. It is an expanded horizontal sectional view of the attachment frame and wiring duct shown in FIG. It is a disassembled perspective view which shows the attachment state of an attachment frame and a cover member in the desk apparatus by 2nd embodiment of this invention. It is a perspective view which shows the connection mechanism of the fixing member with respect to the attachment frame except the cover member and the contact member in FIG. 6, and a cable protection chain. The state which attached the cover member to the attachment frame is shown, (a) is a side view, (b) is a front view. (A) is the sectional view on the AA line which shows the attachment frame and cover member in FIG. 6, (b) is sectional drawing on the BB line which similarly shows an attachment frame and a contact member.

DESCRIPTION OF EMBODIMENTS Hereinafter, a top / bottom desk type desk device 1 according to an embodiment of the present invention will be described with reference to the accompanying drawings.
FIG. 1 to FIG. 5 show a top / bottom desk type desk device 1 according to a first embodiment of the present invention, and is used in, for example, offices, conference rooms, etc. of hospitals, offices, and public facilities. The desk device 1 schematically includes, for example, a pair of legs 2 placed on the floor surface F, and a top plate 3 having an oval plate shape attached to the upper part of the legs 2. An upper surface of the top plate 3 is, for example, a work surface, and a wiring cover 4 and an embedded switch 5 for hiding a power socket installed therein are installed at the center.

In FIG. 1 and FIG. 2, the leg body 2 is a base member 7 having a long plate shape, for example, provided on the floor surface F, and a leg member that stands up from the center of the base member 7 and extends upward to support the top plate 3. 8 and. The leg member 8 includes a lower support 9A fixed to the base member 7, an intermediate support 9B that can be moved up and down in the lower support 9A, and an up and down movement in the intermediate support 9B. And an upper support 9C housed in the housing. The top plate 3 is supported on the upper end of the upper support 9C.
The lower support 9A, the intermediate support 9B, and the upper support 9C are formed in, for example, a rectangular cylinder, but may be a cylinder or the like, and the horizontal cross-sectional shape may be an arbitrary cylinder. The intermediate support 9B and the upper support 9C protrude in the vertical direction with respect to the lower support 9A, whereby the vertical length of the leg member 8 can be adjusted.

In the present embodiment, the lower support 9A, the intermediate support 9B, and the upper support 9C are arranged as the leg members 8 so as to be able to protrude and retract in the vertical direction, but at least the lower support is required to move the top plate 3 up and down. What is necessary is just to provide the body 9A and the upper support body 9C. Alternatively, a plurality of intermediate supports 9B may be provided so that they can appear and disappear from each other.
The desk device 1 according to the present embodiment includes a known control unit (not shown) that controls the lifting and lowering operation of the leg member 8, and a drive motor (not shown) that moves the intermediate support 9B and the upper support 9C up and down. . Furthermore, an operation unit 11 for inputting a lifting operation signal to the control unit is installed on the side of the top plate 3, for example. The control unit is installed in a storage block 12 provided on the lower surface side of the top plate 3.

  The power cable 13 connected to the control unit extends to the outside through the opening 12a of the storage block 12, and is connected to a commercial power source provided in the office space where the desk device 1 is installed. The electric power supplied from the commercial power source via the power cable 13 is not only used for raising and lowering the leg member 8 but also in the wiring cover 4 as a power source for electronic devices such as personal computers installed on the top board 3 and other various devices. And connected to a power socket, embedded switch 5 or the like.

The power cable 13 extends outside from the opening 12a of the storage block 12 in the vicinity of one leg member 8, and is provided in a cable protection chain 14 extending in the vertical direction provided at a position close to the opening 12a of the storage block 12. Is held in. In FIG. 2, the cable protection chain 14 is a chain-like member in which a large number of chain pieces 14a having a substantially U-shaped cross section are connected to each other by a ring pin P so as to be sequentially rotatable. A power cable 13 is accommodated in the internal space.
The upper end of the cable protection chain 14 is supported by the lower surface of the storage block 12 of the top plate 3 and hangs down. The lower end of the cable protection chain 14 is fixed to the upper end of a wiring duct 16 to be described later. Moreover, the cable protection chain 14 has a length that is more than the length from the highest position in the ascending / descending range of the top plate 3 to the wiring duct 16, and is bent and bent in a J shape, for example. When the top plate 3 is lowered, the cable protection chain 14 can be greatly bent and displaced downward by its own weight, and when it is raised, the bending portion is displaced so as to be reduced.

3 to 5, the lower support 9A of the leg member 8 has a rectangular frame-shaped mounting frame 18 that covers three surfaces of the rectangular cylindrical lower support 9A and has an opening 18a formed at the center of the other surface. It is attached and the lower support 9 </ b> A is covered with an attachment frame 18 on almost the entire circumference. On both sides of the opening 18a of the mounting frame 18, a pair of long plate-like locking portions 19 are formed upright. A slit 19a having a predetermined length is formed at the upper end of the pair of locking portions 19 along the root.
In addition, a cutout portion 18b is formed by cutting away the pair of locking portions 19 at the middle portion in the vertical direction of the mounting frame 18, and a slit is also formed at the base of the locking portion 19 below the cutout portion 18b. 19a is formed.

3 and 4, the lower end portion of the cable protection chain 14 is rotatably connected to the upper end portion of the wiring duct 16 via a ring pin P. As shown in FIGS. 3 to 5, the wiring duct 16 has a substantially U-shaped cross section and has an opening 16 a formed on the remaining surface. The length of the wiring duct 16 is substantially the same as the length of the mounting frame 18, but may not be the same.
A power cable 13 guided through the cable protection chain 14 is also inserted into the inside of the wiring duct 16, and is placed on the floor F from the lower end of the wiring duct 16 so as to be electrically connected to a commercial power source such as a wall surface. Can be connected.

A pair of locking claws 21 as shown in FIG. 4 and FIG. 5 project from both ends of the opening 16a of the wiring duct 16 in the direction of closing the opening 16a. A pair of locking claws 21 is formed in the middle in the vertical direction separately from the upper end. These two sets of locking claws 21 are respectively provided at positions facing the two locking portions 19 in the vertical direction of the mounting frame 18.
Therefore, by inserting the two sets of locking claws 21 of the wiring duct 16 from the upper ends of the slits 19a of the two sets of locking portions 19 of the mounting frame 18, as shown in FIGS. The wiring duct 16 can be engaged. In the engaged state, the mounting frame 18 and the wiring duct 16 have substantially the same length and are installed at the same vertical height position.

Note that the mounting frame 18 and the wiring duct 16 are colored in the same color. In particular, by coloring the mounting frame 18 and the wiring duct 16 in different colors, the colors can be identified without directly coating the legs 2 of the desk device 1 for each floor or for each space. For example, in each floor or partitioned space in a hospital, it is possible to identify the departments such as medical departments such as internal medicine, orthopedics, otolaryngology, etc. and hospital rooms etc. according to the type of coloring.
Also in offices and the like, it becomes easy to identify work contents such as accounting department, general affairs department, sales department, etc. in each floor or partitioned space.

The top / bottom desk type desk device 1 according to the first embodiment has the above-described configuration, and a method of attaching the power cable 13 will be described.
The attachment frame 18 may be attached to the lower support 9A in advance by inserting it from the lower part of the lower support 9A or by inserting the leg member 8 from the upper part of the lower support 9A in a contracted state.
In FIG. 2, the power cable 13 discharged to the outside from the opening 12 a of the storage block 12 on the lower surface of the top plate 3 is pushed into the opening 14 b of the cable protection chain 14 and stored over the entire length of the cable protection chain 14. Then, the chain piece 14a at the lower end portion of the cable protection chain 14 is connected to and supported by the upper end portion of the wiring duct 16 by the ring pin P.

Then, the power cable 13 extending downward from the lower end portion of the cable protection chain 14 is inserted from the opening 16 a of the wiring duct 16 and similarly inserted vertically along the entire length of the wiring duct 16.
In this state, in FIG. 3, the opening 16 a of the wiring duct 16 is opposed to the opening 18 a of the mounting frame 18 that covers and attaches the lower support 9 </ b> A of the leg member 8. The part 21 is inserted into the slit 19a of the locking part 19 of the mounting frame 18 from above. As a result, as shown in FIGS. 4 and 5, the wiring duct 16 can be engaged with the mounting frame 18.
Even if welding or screwing for attaching the power cable 13 to the leg 2 of the desk device 1 is difficult, the wiring duct 16 can be easily connected to the lower support 9 </ b> A of the leg member 8.

Next, a method of using the top / bottom desk type desk device 1 according to the first embodiment will be described.
In the desk device 1, the intermediate support 9 </ b> B and the upper support 9 </ b> C are most extended and raised with respect to the lower support 9 </ b> A in a state where the leg member 8 is extended and the top plate 3 is held at the highest position. is there. In this state, the cable protection chain 14 in which the power cable 13 is accommodated is bent into a J shape as shown in FIG. 2, for example, and is connected to the upper end of the wiring duct 16 engaged with the mounting frame 18.

When the top plate 3 is lowered by operating the operation button of the operation unit 11, the intermediate support 9B and the upper support 9C are lowered to a predetermined height with respect to the lower support 9A. When the top plate 3 is lowered, the lower end portion of the cable protection chain 14 is fixedly held by the upper end portion of the wiring duct 16, so that the bending portion of the cable protection chain 14 is further lowered downward and the bending portion becomes longer. adjust.
Then, the power cable 13 accommodated in the cable protection chain 14 is similarly bent.
The vertical displacement of the power cable 13 due to the elevation of the top plate 3 can be protected by the change of the vertical bending of the cable protection chain 14. Therefore, it is possible to prevent the power cable 13 and the cable protection chain 14 from being entangled with each other or interfering with the leg 2, the body of the office worker, the article placed in the vicinity of the desk device 1, etc. it can.

As described above, according to the top / bottom desk type desk device 1 according to the first embodiment, since the power cable 13 is housed in the cable protection chain 14 and the wiring duct 16, the mounting work is easy even though the structure is simple. is there. Moreover, even if the top plate 3 is moved up and down, the power cable 13 and the cable protection chain 14 do not get entangled with each other, and there is a possibility that a worker or an article around the desk device 1 may come into contact with the power cable 13 or the cable protection chain 14. Therefore, workability during use is good and safety can be ensured.
Moreover, since the attachment frame 18 for attaching the wiring duct 16 can be mounted without processing the lower support 9A, the number of processing steps and the processing cost can be reduced.

Further, since the attachment frame 18 covers almost the entire periphery of the lower support 9A and the engagement claw portion 21 of the wiring duct 16 can be engaged with the slit 19a of the engagement portion 19 formed in the attachment frame 18, the cross section The substantially U-shaped wiring duct 16 can be easily attached to the mounting frame 18 with a simple configuration.
Further, since the openings 14b and 16a are formed in the cable protection chain 14 and the wiring duct 16 for guiding the power cable 13 from the top plate 3 to the floor surface F, respectively, the power cable 13 is easily inserted and removed. Workability at the time of accommodation is good.

Further, the power cable 13 is a power source in the wiring cover 4 for energizing not only the wiring of the control unit and the power motor for driving the leg member 8 up and down, but also the wiring connected to the electronic device installed on the top plate 3. Cables such as sockets and embedded switches 5 are also part of the power cable 13, so that there is no risk that the office worker or items around the desk device 1 will come into contact with the power cable 13, and work in use. Good and safe.
Further, by giving the attachment frame 18 covering the lower support 9A of the leg member 8 an arbitrary different color, it is possible to classify according to the work content, the work floor, and the space. A person can easily visually check the difference in the color of the mounting frame 18.

  The present invention is not limited to the top / bottom desk type desk device 1 according to the above-described first embodiment, and can be appropriately changed or replaced without changing the gist of the present invention. Both are included in the present invention. Hereinafter, other embodiments and modifications of the present invention will be described, but the same or similar parts and members as those in the first embodiment described above will be described using the same reference numerals.

Next, a top / bottom desk type desk device 1 according to a second embodiment of the present invention will be described with reference to FIGS.
In the top / bottom desk type desk device 1A according to the second embodiment, as shown in FIGS. 6 to 9, the three surfaces of the lower support 9A of the leg member 8 in the leg 2 and the other one (the other leg An attachment frame 24 having, for example, a substantially C-shaped cross section is attached to cover both sides of the receiving surface 9Aa, which is preferably a surface facing the body 2. In the mounting frame 24, the end edges of both end surfaces 24b formed with openings 24a facing the center of the receiving surface 9Aa are bent toward the receiving surface 9Aa.

Then, vertically long first insertion grooves 24c (locking portions) are formed as slits on both end surfaces 24b of the mounting frame 24, and second insertion grooves 24d are similarly formed below the first insertion grooves 24c. 6 and 9, a contact member 25 having a substantially U-shaped cross section is in contact with the receiving surface 9Aa of the lower support 9A, and both side portions 25a are second insertion grooves formed on both end surfaces 24b of the mounting frame 24. 24d is fitted.
In addition, as shown in FIG. 9, a bolt 26 is inserted inside the second insertion groove 24d on both end faces 24b of the mounting frame 24 and tightened into a nut 27 so that the abutting member 25 is a receiving surface of the lower support 9A. 9Aa is pressed.
The contact member 25 is preferably attached to the upper and lower sides of the attachment frame 24 in the vertical direction so that the opening 24a is defined to have a certain width.

Further, on both end faces 24b, a substantially U-shaped fixing member 28 protruding outward is fixed between the first insertion groove 24c and the second insertion groove 24d by a bolt 26 and a nut 27. A chain piece 14a at the lower end of the cable protection chain 14 is rotatably attached to both sides of the fixing member 28 by ring pins P.
FIG. 7 shows a state in which the chain piece 14a at the lower end portion of the cable protection chain 14 is attached to the fixing member 28 fixed to the both end faces 24b of the attachment frame 24.

6 and 7, the cover member 30 is attached as a decorative member so as to cover these members in a state where the contact member 25 and the fixing member 28 are fixed to the both end surfaces 24b of the mounting frame 24, respectively. It has been. The cover member 30 has an outer surface 30a having a flat surface and a tapered surface on the outer side, and an engaging claw portion 30b as an engaging portion at the ends of a pair of bent pieces on both sides bent inward.
The cover member 30 can be locked to the mounting frame 24 by inserting the locking claws 30 b of the cover member 30 into the first insertion grooves 24 c formed on both end surfaces 24 b of the mounting frame 24.
The cover member 30 extends from the upper end to the lower end of the attachment frame 24, and is set to have the same width and the same length. Moreover, a substantially U-shaped notch 30 c for connecting the lower end portion of the cable protection chain 14 to the fixing member 28 is formed on the outer surface 30 a of the upper end portion of the cover member 30.

The top / bottom desk type desk device 1A according to the second embodiment has the above-described configuration, and an assembly method thereof will be described next.
In FIG. 6, a mounting frame 24 is fitted from above or below the lower support 9A so as to surround the lower support 9A. Then, the abutting members 25 are respectively attached to the upper and lower sides of the mounting frame 24 in the vertical direction, and both side portions 25a of each abutting member 25 are fitted into the second insertion grooves 24d of the both end surfaces 24b. The bolt 26 is screwed into the nut 27 through the insertion hole and the tip of the bolt 26 is pressed against the contact member 25 to press the contact member 25 against the receiving surface 9Aa of the lower support 9A. Thereby, the opening 24a of the attachment frame 24 can be held at a constant width.

Next, the fixing member 28 is attached to the both end surfaces 24b of the mounting frame 24 so as to protrude outwardly between the upper first insertion groove 24c and the lower second insertion groove 24d, and the both end surfaces 24b are secured with bolts 26 and nuts 27. Tighten and fix. The chain piece 14a at the lower end of the cable protection chain 14 is attached to the fixing member 28, and the ring pins P are fitted from both sides of the fixing member 28 to support the chain piece 14a.
Finally, the cover member 30 is attached to the outside of the fixing member 28, the notch 30c is fitted to the lower side of the cable protection chain 14, and the locking claw portion 30b is inserted into the upper and lower first insertion grooves on both end surfaces 24b of the attachment frame 24. 24c is fitted and supported.
In the desk device 1A according to the second embodiment, the same operational effects as those of the first embodiment can be obtained.

In each of the embodiments described above, the cable protection chain 14 that protects the power cable 13 whose curved shape changes in the vertical direction as the top plate 3 moves up and down is provided as the wiring guide portion. Is not limited to the cable protection chain 14. If the power cable 13 that changes its bending shape according to the elevation of the top plate 3 can be protected and displaced, it can be a bendable protective member such as a flexible film having a cylindrical shape or a substantially C-shaped cross section. These protection members together with the cable protection chain 14 constitute a wiring guide portion. Further, the wiring guide portion is not necessarily provided, and the power cable 13 hanging from the top plate 3 side may be accommodated in the wiring duct 16, the fixing member 28, and the cover member 30.
In each of the above-described embodiments, the wiring duct 16, the fixing member 28, and the cover member that are connected to the mounting frames 18 and 24 attached to the lower support 9 </ b> A to guide the hanging position of the power cable 13 toward the floor F 30 constitutes a wiring housing part. Furthermore, the attachment frames 18 and 24 constitute an attachment portion.

Note that the attachment frames 18 and 24 do not necessarily have to have a shape that covers or surrounds the lower support 9A. For example, a member having the locking portion 19 may be clamped to the lower support 9A.
Further, in each of the above-described embodiments, the power cable 13 is suspended from the top plate 3 to the floor surface F. However, in the present invention, not only the power cable 13 but also a communication cable or the like, and these constitute a wiring.
Further, in the engagement structure between the mounting frames 18 and 24 and the wiring duct 16 and the cover member 30 in the first and second embodiments, the locking portion 19 and the slit 19a and the locking claw portion 21, the first embodiment in the second embodiment. The one insertion groove 24c and the locking claw portion 30b may be provided in either.
In each of the above-described embodiments, the wiring structure of the power cable 13 in the top / bottom desk type desk device 1, 1 </ b> A has been described, but the present invention is not limited to the desk device 1, 1 </ b> A. For example, the elevating table 3 may be used as a table device or a counter device in place of the desk device 1, and these are included in the table elevating fixture apparatus.

1, 1A Desk device 2 Leg 3 Top plate 8 Leg member 9A Lower support 13 Power cable 14 Cable protection chain 16 Wiring ducts 18 and 24 Mounting frame 19 Locking portion 19a Slit 21 and 30b Locking claw portion 24c First insertion Groove 24d Second insertion groove 25 Contact member 28 Fixing member 30 Cover member

Claims (5)

With the top plate,
An extendable leg having a lower support that supports the upper support that supports the top plate so as to be movable up and down;
An attachment portion attached to the lower support of the leg,
A wiring accommodating portion for accommodating the wiring attached to the attaching portion and extending from the top plate side;
A top-and-bottom lift apparatus characterized by comprising: A wiring guide portion that accommodates wiring extending from the top plate to the wiring housing portion therein and is capable of bending displacement according to the elevation of the top plate,
The tabletop lifting type fixture apparatus according to claim 1, wherein the wiring guide portion is attached to the attachment portion or the wiring accommodation portion.   The top plate lifting type fixture apparatus according to claim 1 or 2, wherein an engaging portion provided in the wiring housing portion is engaged with a locking portion provided in the attachment portion. The mounting portion surrounds almost the entire circumference of the lower support,
4. The top plate according to claim 3, wherein one of the locking portion provided in the attachment portion and the engaging portion provided in the wiring housing portion is a slit, and the other is a locking claw portion engageable with the slit. Lifting equipment.   5. The tabletop lifting / lowering fixture device according to claim 1, wherein at least one of the attachment portion and the wiring housing portion is colored for identification.

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