JP2009291343A - Piece of furniture with top board - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a piece of furniture with top board having good operability and safety and allowing a handicapped person with trouble of nerves of the finger or hand to easily operate operation levers. <P>SOLUTION: The operation levers 29 are provided on the front of side edges of the top board 16 of the furniture so that operating parts 29a project outward. A valve or the like of a first gas spring 17, which is linked with the operation levers 29 as a device to be operated, is operated by pushing and moving the operation levers 29 inward to the top board 16. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to furniture with a top board such as a desk, a table, and a wagon.

For this type of furniture with a top plate, for example, the left and right dimensions of the front part of the top plate are gradually reduced toward the front end, and the operation lever of the operation means is directed diagonally toward the front outer side on the lower surface of the front corner. In some cases, the operation of the top plate elevating device and the tilting device is controlled by operating the operation lever (see, for example, Patent Document 1).
Further, there are a type that rotates an operation knob provided at a corner of the top plate (for example, see Patent Document 2), a type that pulls a handle toward the front (for example, see Patent Document 3), and the like.
JP 2006-102105 A Japanese Utility Model Publication No. 64-16843 Japanese Utility Model Publication No. 60-27729

  However, in the device described in Patent Document 1, the operation lever is provided in a recess that is recessed upward in the support base provided on the lower surface of the top plate, and the operator rotates the operation lever with a fingertip. There is a problem that it is difficult for the handicapped person with a fingertip or hand nerve disorder to rotate the operation lever as described above.

  Moreover, it is almost impossible for the disabled person to rotate the operation knob as described in Patent Document 2 or pull the handle as described in Patent Document 3 to the front. .

  In view of the above problems of the prior art, the present invention can easily operate an operation lever for a disabled person who has a fingertip or hand nerve disorder, and has improved operability and safety. The purpose is to provide furniture with a top board in consideration.

According to the present invention, the above problem is solved as follows.
(1) An operating lever is provided at the front of the side edge of the furniture top plate or at the side of the front edge so that the operating portion protrudes outward or forward, and the operating lever is located inward of the top plate. The operated device linked to the operation lever is actuated by pushing toward.

  With such a configuration, it is possible to easily operate the operation lever for a handicapped person with a fingertip or hand nerve disability, and the operability is good because only the operation lever needs to be pushed.

  (2) The top plate is mounted so as to be movable, and the operation is performed on the front side or the front side of the top plate of the furniture in which the movement of the top plate is stopped by the operation of the stop device. The lever is provided so that its operation part protrudes outward or forward, and the operation lever is pushed inward of the top plate to release the operation of the stop device linked to the operation lever. The top plate can be moved.

  With such a configuration, not only can the same effect as the invention described in the above item (1) be achieved, but also the top plate can be moved while the operation lever is pushed down, and the operability is improved. Can be further improved.

  (3) In the above paragraph (1) or (2), the side edge of the front part of the top plate is recessed inward from the side edge behind it, and the operation lever is operated in the recessed part. The part is arranged.

With such a configuration, even if a passerby or other object abuts on the side edge of the top plate, the operation portion of the operation lever is disposed in the recessed portion of the side edge of the top plate. There is little possibility that the lever is operated by mistake, and safety can be ensured.
Moreover, the horizontal width other than the front part of the top plate can be increased to increase the area of the top surface of the top plate.

  (4) In any one of the above items (1) to (3), an upper concave portion is formed on the lower surface of the top plate so as to open to the front portion of the side edge of the top plate or to the side portion of the front edge. An operation lever is provided in the insertion portion so that the operation portion protrudes from the opening.

  With such a configuration, a part other than the operation part of the operation lever is accommodated in the top board, the operation lever is not conspicuous, the appearance can be improved, and a seated person sitting on the chair facing the desk It is possible to prevent the lower limbs from coming into contact with the operation lever and causing an erroneous operation.

  (5) In any of the above items (1) to (4), a pair of left and right operating levers are provided on both sides of the top plate, and one of them is used as a lifting stop means for the lifting device of the top plate, and the other. Are linked to the tilt stop means of the tilt device that changes the tilt angle of the top plate.

  With such a configuration, the top plate can be held with both hands while the left and right operation levers are pushed, and the operability can be improved.

  (6) In any one of the above items (1) to (5), a handle portion protruding forward is provided at the front edge of the top plate.

  With such a configuration, when a person with a disability sitting on a chair facing the top board takes a seat, he / she can easily take off / seat by placing his hand on the handpiece, and the wheelchair is mounted on the top board. It also serves as a puller when the user wants to draw the vehicle to the side, and can improve convenience and safety for persons with disabilities.

  ADVANTAGE OF THE INVENTION According to this invention, even for a disabled person with a fingertip or hand nerve disorder, the operation lever can be easily operated, and the furniture with a top plate considering operability and safety can be provided.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.
1 to 7 show OA equipment operation tables according to the first embodiment of the present invention.
The configuration of the table other than the operating lever device is the same as the known one described in Patent Document 1, and after briefly explaining the configuration of the portion first, the configuration of the operating lever device will be described in detail. .

  The support frame 1 in this table is composed of a pair of left and right legs 2 and 2 having an inverted T shape in side view and a pair of front and rear parallel connecting rods connecting the opposing surfaces of the upper portions of both legs 2. 3 and 3, and a top plate support 4 attached to the middle part of both lateral connecting rods 3 so as to face the front (hereinafter, described with the diagonally lower right in FIG. 1 as the front).

  The top plate support 4 is pivotally attached to a pair of left and right support brackets 5 and 5 attached to the middle portion in the left and right direction of the front and rear horizontal connecting rods 3 and to the front ends of both support brackets 5 so as to be vertically rotatable. And a pair of left and right parallel link mechanisms 6 and 6 facing forward.

  2 to 4, the left and right parallel link mechanisms 6 are pivotally supported by bearing portions 7 and 7 integrally formed at the front end portions of the left and right support brackets 5, respectively. A base shaft 8 facing in the direction, a first link arm 9 having a rear end fixedly fitted to both outer projecting end portions thereof, and a rear end portion provided on the upper surface of the front end portion of the support bracket 5 on the inner side thereof. A stepped second link arm 12 positioned higher than the first link arm 9 and pivotally supported by the projecting portion 10 with a pivot shaft 11 facing in the left-right direction, and the first and second link arms 9. , 12 is provided with a connecting arm 13 facing in the left-right direction for connecting the front ends of the front and rear ends so as to be rotatable in the vertical direction, and a connecting rod 14 for connecting the opposing surfaces of the left and right connecting arms 13 together.

  The front end of the second link arm 12 is positioned by being inserted into a notch recess 13a formed at the rear end on the inner side of the connecting arm 13, and in this state, the front end of the second link arm 12 and the connecting arm 13 The connecting rod 14 is connected by a screw (not shown) that faces in the left-right direction.

  At the front ends of the left and right connecting arms 13, 13, the front ends of the top plate support arms 15, 15 facing in the front-rear direction are arranged around a shaft 15 a facing in the left-right direction above the first and second link arms 9, 12. It is pivotally attached so that it can rotate up and down.

  On the upper surface of the left and right top plate support arms 15, the lower surface of the top plate 16 that is slightly closer to the rear is attached.

As shown in FIG. 4, the top plate 16 forms an arc surface in which the rear edge 16a bulges rearward, has an arc shape in which the front part of both side edges 16b is recessed backward, and the front edge The center part of 16c is formed into an arcuate surface that is recessed backward, and the lateral width gradually decreases forward, and is formed in a generally forwardly trapezoidal shape in plan view. The front end part of the upper surface is made of a slightly soft elastomer resin or the like. A hand placement portion 16d is integrally formed.
The outer peripheral portion of the hand placement portion 16d is an inclined surface facing obliquely downward.

  As described above, the parallel link mechanisms 6 and 6 are attached to the front ends of the pair of left and right support brackets 5 and 5 fixed to the front and rear horizontal connecting rods 3 so as to protrude forward, and are pivotally attached to the front ends. When the top plate 16 is supported by the support arms 15, 15, the top plate 16 is attached in a state in which almost the whole protrudes forward from the lateral coupling rod 3.

  Therefore, a large lower limb space is formed below the top board 16, and the keyboard or the like placed on the top board 16 is operated in an easy posture in which the lower limbs of the chair and the seated person are inserted deeply below the top board 16. For example, a great feeling of openness can be obtained.

  Moreover, the first and second link arms 9 and 12 of the left and right parallel link mechanisms 6 are different in level, and the inner second link arm 12 is positioned above, so that the space between the left and right second link arms 12 is A large lower limb space is formed below, and there is no risk of fingers or clothes being pinched between the first and second link arms 9 and 12.

  Since the left and right parallel link mechanisms 6 are connected by the connecting rod 14, they can be rotated in synchronization with each other.

  As described above, the front and rear horizontal connecting rods 3 and 3 have high strength against bending and twisting. Therefore, even if the top plate 16 is supported in a state in which the top plate 16 is protruded largely forward, there is no possibility of causing any problem in strength. In addition, the load on the top plate 16 can be reliably received and stably supported.

  By loosening the mounting bolts of the left and right support brackets 5, the horizontal mounting positions of the parallel link mechanism 6 and the top plate 16 can be changed.

  At the center between the base shaft 8 and the connecting rod 14, there are front and rear end portions of the first gas spring 17 that applies an upward biasing force when the top plate 16 is moved up and down via the parallel link mechanism 6. These are pivotally attached via U-shaped brackets 18 and 18 fixed to the base shaft 8 and the connecting rod 14 so as to face the front upper side.

  Further, the front and rear end portions of the second gas spring 19 for applying an upward biasing force when the top plate 16 is tilted forward are provided at the center portion of the connecting rod 14 and the central portion of the lower surface of the rear end portion of the top plate 16. However, it is pivotally attached via U-shaped brackets 18 and 18 so as to face rearward and upward.

  As shown in FIG. 5 (only the first gas spring is shown for the same structure), the first and second gas springs 17 and 19 are connected to the piston rod 17a with a valve 17b protruding from the front end of the piston rod 17a. By pressing with the lower end of the operating lever 21 pivotally attached to the U-shaped connecting tool 20 that is connected to the bracket 18 in a plan view, the lock is released and the piston rod 17a is freed from the internal gas pressure. It comes to protrude by.

  One end of a wire 23a in the outer cable 23 is connected to the upper end of the operating lever 21 and attached to a support piece 22 facing upward from the front end of the connector 20.

Among the above-described configurations, the lifting device that lifts and lowers the top plate 16 by the parallel link mechanism 6, the connecting arm 13, the first gas spring 17, and the like, and the lift and stop means and the valve 17 b of the first gas spring 17 A stop device is formed.
Further, a tilt device for changing the tilt angle of the top plate 16 is formed by the second gas spring 19, and a tilt stop means and a stop device are formed by a valve (not shown) of the second gas spring 19.

As shown in FIGS. 4, 6, and 7, the bottom surfaces of both side edges of the hand-placed portion 16 d at the front portion of the top plate 16 that is formed in an arc shape inward from the rear side edge and gradually recessed. The operation lever devices 24 and 24, in which the outer cable 23 for the first and second gas springs 17 and 19 and the other end of the wire 23a are connected, are extended forward of the side edges of the rear portion of the top plate 16. It is provided so as to be located inside the line.
That is, the right operation lever device 24 is for the lifting device, and the left operation lever device 24 is for the tilt device.

Since both the operating lever devices 24 are symmetrical and have the same structure, only the right operating lever device 24 will be described.
The operation lever device 24 closes the lower surface of the upward recessed portion 25 that is substantially L-shaped when viewed from the bottom, which opens at the side edge of the hand placement portion 16d, so that the appropriate position on the periphery is on the lower surface of the top plate 16. The bottom plate 26 screwed, the upper surface plate 27 fixed to the upper end surface of the front portion of the recessed portion 25, and the recessed portion 25 are sandwiched between the upper surface plate 27 and the bottom plate 26 in the front-rear direction. The intermediate portion is pivotally attached with a shaft 28 in the vertical direction, the front half portion is widened so as to protrude outward, the protruding end portion on the outer side forms an operation portion 29a, and the operation portion 29a is an opening 25a. An operation lever 29 that is substantially L-shaped in plan view and protrudes outward is provided.

As shown in FIG. 7, the shaft 28 protrudes from the upper surface of the bottom plate 26, and a bracket 30 having an upward U-shape that opens upward and holds the terminal of the outer cable 23. It is fixed.
At the center of the upper ends of the pair of left and right standing pieces 30a and 30b in the bracket 30, U-shaped cutouts 31 and 31 are provided, and the left standing piece 30a closer to the inside of the top plate 16 is provided. The end portion of the outer cable 23 is fixed to the notch 31 with a stopper 32, and the outer cable 23 is connected to the notch 31 in the right standing piece 30 a on the outer side of the top plate 16. A wire 23 a drawn out from the terminal is inserted, and the terminal of the wire 23 a is fixed to the rear end portion of the operation lever 29.

  The operating lever 29 has a biasing force of a biasing means (not shown) for projecting the valve 17b built in the first gas spring 17 via the operating lever 21 and the wire 23a. Since the end portion is acting so as to be pulled to the left, the rear portion is normally in contact with the outer surface of the right standing piece 30a of the bracket 30, and the operation portion 29a protrudes outward from the opening 25a. Although stopped at the non-operating position, when the operation portion 29a is pushed inward of the top plate 16, a convex portion 29b that protrudes from the front inner edge of the operation lever 29 and faces inward. The distal end of the first gas spring 17 is rotated to the operating position where it abuts against the inner wall of the recessed portion 25, while the wire 23 a is pulled out from the end of the outer cable 23. Ba The rod 17b is pushed into the first gas spring 17 by the operating lever 21 against the urging force of the urging means, and the locked state of the piston rod 17a of the first gas spring 17 is released. The top plate 16 can be moved up and down freely. That is, the valve 17b of the first gas spring 17 that is the operated device is operated.

The top plate 16 can be freely moved up and down while the operation portion 29a of the operation lever 29 is pushed toward the operating position.
In addition, the operation lever 29 in the left operation lever device 24 has a symmetrical configuration similar to that of the operation lever 29 described above, and is linked to a valve that is a tilt stop means in the second gas spring 19 that is a tilt device. Therefore, with both hands, while pressing the operation portions 29a and 29a of the left and right operation levers 29 and 29 toward the inside of the top plate 16, the top plate 16 is gripped from both sides, and the top plate 16 is held. , Can be raised and lowered freely, or the front can be tilted up and down.

  When the top plate 16 is at a desired height and a desired inclination angle, the first and second gas springs 17 and 19 are released by releasing the hands from the operation portions 29a and 29a of the left and right operation levers 29 and 29. The valve 17b is pushed out by the urging force of the urging means built in the door, and the operation portions 29a and 29a of both the operation levers 29 and 29 are pushed out toward the inoperative position. Locked at desired height and desired tilt angle.

As described above, the side edge of the front portion of the top plate 16 is shaped to be recessed in an arc shape inwardly from the side edge behind it, and the operation portions 29a of the operation levers 29, 29 are formed in the recessed portions. , 29a are arranged so as to be located on the inner side of the forward extension of the side edge of the rear portion of the top plate 16, so that passersby and other objects abut on the side edge of the top plate 16. However, there is little possibility that the operation levers 29 and 29 are erroneously operated, and safety can be ensured.
Moreover, the area of the upper surface of the top plate 16 can be increased by increasing the width other than the front portion of the top plate 16.

  At the center of the front end of the top plate 16, there is a handle portion 33 having a U-shape that is backward-looking in a plan view and is bent rearward from the side of an arc-shaped steel bar having the same curvature as the front edge of the top plate 16. The front part protrudes forward from the front edge of the top plate 16, and the rear parts on both sides thereof are attached to the lower surface of the top plate 16 with attachment brackets 34.

  By providing such a handle portion 33, when a handicapped person sitting on a chair (not shown) faces the top plate 16, he / she easily puts his / her seat on the handle portion 33 and takes his / her seat. It can also be used as a puller when a wheelchair, a chair with casters, or the like is to be pulled toward the top board, and convenience and safety for persons with disabilities are improved.

The present invention is not limited to the above embodiment.
For example, in the above embodiment, the operation lever 29 is provided at the front portion of the side edge of the top plate 16 so that the operation portion 29a protrudes outward, and the operation lever 16 is directed inward of the top plate. The valve 17b and the like in the lifting device and the tilting device, which are operated devices linked to the operation lever 16, are actuated by pushing the lever, but the second embodiment of the present invention shown in FIG. As described above, the operation lever 29 is provided on one or both sides of the front edge of the top plate 16 so that the operation portion 29a protrudes forward, and the operation lever 16 is pushed backward. Further, an elevating device that is an operated device linked to the operation lever 16 or a valve 17b in the tilt device may be operated.

  In the second embodiment shown in FIG. 8, the arrangement and orientation of the left and right operation levers 16 and 16 are different, and the rest is the same as in the first embodiment. The same reference numerals are used for illustration, and detailed description thereof is omitted.

  Further, when only the height or angle of the top plate 16 can be adjusted, the operation lever device 24 may be provided only on either the left or right side.

  Furthermore, the present invention can be applied not only to a table but also to a wagon with a top plate, a cabinet, and other furniture.

In the table which is the 1st embodiment of the present invention, it is a perspective view showing clearly the lower part by showing a top board with a dashed-two dotted line. Similarly, it is a side view which shows a top plate with a continuous line. Similarly, it is a side view when the height of the top plate is raised. Similarly, it is a top view which shows a parallel link mechanism attachment part and a left and right operation lever device clearly by showing a top board with a dashed-two dotted line. It is the VV line expansion vertical side view of FIG. It is the VI-VI line expansion vertical front view of FIG. Similarly, it is the exploded perspective view which looked at the operation lever device from the lower part. It is a top view of the top plate of the table which is the 2nd Embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Support frame 2 Leg body 3 Horizontal connection rod 4 Top plate support body 5 Support bracket 6 Parallel link mechanism 7 Bearing part 8 Base shaft 9 1st link arm 10 Upward projecting part 11 Pivot 12 Second link arm 13 Connection arm 13a Notch recessed part 14 connecting rod 15 top plate support arm 15a shaft 16 top plate 16a rear edge 16b side edge 16c front edge 16d hand rest 17 first gas spring (elevating device)
17a piston rod 17b valve (lifting stop means and stop device)
18 Bracket 19 Second gas spring (tilt device)
20 connector 21 actuating lever 22 support piece 23 outer cable 23a wire 24 operating lever device 25 recessed portion 25a opening 26 bottom plate 27 upper surface plate 28 shaft 29 operating lever 29a operating portion 29b convex portion 30 brackets 30a and 30b standing piece 31 notch 32 Fastening bracket 33 Handle 34 Mounting bracket

Claims (6)

  An operating lever is provided at the front of the side edge of the furniture top plate or at the side of the front edge so that the operating portion protrudes outward or forward, and the operating lever faces inward of the top plate. The furniture with a top plate is characterized in that the operated device linked to the operation lever is actuated by pushing the lever.   At the front part of the side edge of the top board or the side part of the front edge of the furniture that is mounted so that the top board can be moved and the movement of the top board is stopped by the operation of the stop device. The operation portion is provided so as to protrude outward or forward, and the operation lever is pushed toward the inner side of the top plate to release the operation of the stop device linked to the operation lever. Furniture with a top plate, characterized in that the top plate can be moved.   The side edge of the front part of the top plate is shaped to be recessed inward from the side edge behind it, and the operation part of the operation lever is disposed in the recessed part. Furniture with a top plate as described in 2.   On the lower surface of the top plate, an upper recessed portion that opens to the front edge of the side edge of the top plate or a side portion of the front edge is formed, and an operation lever is projected into the recessed portion so that the operation portion protrudes from the opening. The furniture with a top plate according to any one of claims 1 to 3, wherein the furniture has a top plate.   A pair of left and right control levers are provided on both sides of the top plate, one of which is used as a lift stop device for the top plate lift device, and the other is used as a tilt stop device for a tilt device that changes the tilt angle of the top plate. The furniture with a top plate according to any one of claims 1 to 4, wherein the furniture is linked.   The furniture with a top plate according to any one of claims 1 to 5, wherein a handle portion protruding forward is provided at a front edge of the top plate.

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