JP2018126319A - Top plate elevation type furniture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide top plate elevation type furniture where the outer periphery of a leg body can be changed into a member or the like which has desired material quality and color tone and is subjected to desired surface treatment.SOLUTION: Top plate elevation type furniture 100 includes: a top plate 1 having a working surface 1u on its top surface; a leg body 2 having an upper part support body 26c supporting the top plate 1, and a lower part support body 26a supporting the upper part support body 26c so as to be elevated; a cover support body 4 supported by the lower part support body 26a and disposed along the outer periphery of the lower part support body 26a; and a cover member 6 detachably mounted on the cover support body 4 and disposed on a plurality of surfaces of the outer periphery of the cover support body 4.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a table top / bottom lift fixture such as a desk device, a table device, a counter device, and the like provided with a lift top plate.

  In general, in office spaces such as offices and hospitals such as public facilities, fixtures with a top plate such as a desk, a table, a work table, and an experimental table are arranged to provide a work area to the workers. As for the height of the top plate of the fixture with a top plate, the height at which it is easy to work varies greatly depending on the physique, gender and preference of the worker. When the height of the top plate is constant, such a situation cannot be dealt with. Therefore, a top-and-bottom lift fixture that can change the height of the top plate in the vertical direction is used. By using such a top-and-bottom lifting fixture, it is possible to provide a work area with the height of the top according to the demands of the worker, improving work efficiency and reducing the burden on the worker's body. be able to.

  As means for changing the height of the top plate in the vertical direction, a method using a gas spring, a method using a gear, a method using a spring, and the like have been proposed (for example, see Patent Documents 1 to 3 below). According to these methods, the structure can be made relatively simple and the cost can be reduced. In addition, it is widely known that a leg body incorporating an electric lifting mechanism unit is employed in order to improve the operability of a worker (see, for example, Patent Documents 4 and 5 below). According to this leg, the office worker can change the height of the top board with an easy operation.

Japanese Patent No. 3371959 Japanese Patent No. 3391285 Utility Model Registration No. 316439 JP 2014-113505 A Japanese Patent No. 5718503

  However, the legs of fixtures as described above are often dedicated parts with built-in gas springs, gears, electric lifting mechanism units, etc., and the material of the legs themselves, the color of the appearance, There is a problem that it is difficult to appropriately change the surface treatment or the like according to the preference of the customer, or to perform processing for attaching an optional member.

  The present invention has been made in view of the above circumstances, and provides a table-top elevating fixture that can change the outer periphery of a leg to a member having a desired material, color tone, or surface treatment. .

In order to achieve the above object, the present invention employs the following means.
In other words, the top plate lifting fixture according to the present invention has a top plate having a work surface on the upper surface, an upper support that supports the top plate, and a lower support that supports the upper support so that it can be moved up and down. A body, a cover support supported by the lower support and disposed along the outer periphery of the lower support, and a plurality of surfaces of the outer periphery of the cover support that are detachably provided on the cover support And a cover member disposed on the surface.

  In the top-and-bottom lift fixture constructed as described above, the cover support is supported by the lower support and is disposed along the outer periphery of the lower support. The cover member is detachably provided on the cover support. Therefore, the cover member arrange | positioned at several surfaces among the outer periphery of a cover support body can be changed, and the outer periphery of a leg can be made to respond | correspond according to a consumer's liking etc.

  Moreover, in the top-plate elevating type fixture according to the present invention, it is preferable that the outer periphery of the lower support is closed by the cover support and the cover member or by the cover member.

  In the top-and-bottom lift fixture constructed in this way, the outer periphery of the lower support is closed by the cover support and the cover member or by the cover member, so that the legs of the fixture without exposing the lower support The surrounding appearance can be made favorable.

  Further, in the top-plate elevating fixture according to the present invention, a hollow portion extending in the vertical direction is formed in the cover support body, and the lower support body is disposed in the hollow portion of the cover support body. May be.

  In the top-and-bottom lift fixture constructed in this manner, the fixture can be assembled by inserting the lower support into the hollow portion extending in the vertical direction inside the cover support, and therefore the assembly workability is good.

  Moreover, the top-plate elevating type fixture according to the present invention has a cover-side latching portion formed on the cover support, and the cover member can be latched with the support-side latching portion. A part may be formed.

  In the top-and-bottom lift fixture constructed in this way, the cover member supports the cover by locking the cover side locking portion formed on the cover member to the support side locking portion formed on the cover support. Attached to the body. Therefore, the cover member can be easily attached and the cover member is provided with good appearance.

  Moreover, the top-plate elevating type furniture according to the present invention may have a sound absorbing material disposed between the cover member and the lower support.

  In the top-and-bottom lift fixture constructed in this way, since a sound absorbing material is arranged between the cover member and the lower support, the operation sound and vibration during the lifting and lowering operation of the upper support are externally transmitted. Transmission is suppressed.

  According to the top / bottom lift fixture according to the present invention, the outer periphery of the leg can be changed to a member having a desired material, color tone, and surface treatment.

It is a perspective view of the top plate lifting type fixture concerning one embodiment of the present invention. It is an expansion perspective view of the leg part of the top plate raising / lowering fixture concerning one Embodiment of this invention. It is a figure which shows the structure of the top-plate raising / lowering fixture based on one Embodiment of this invention, and is an exploded perspective view of a leg. It is a figure which shows the structure of the top-plate raising / lowering fixture based on one Embodiment of this invention, and is the disassembled perspective view which decomposed | disassembled the leg body, the cover support body, and the cover member. It is a figure which shows the structure of the top-plate raising / lowering fixture based on one Embodiment of this invention, and is the disassembled perspective view which decomposed | disassembled the leg body and the connection member. It is a figure which shows the structure of the top-plate raising / lowering fixture concerning one Embodiment of this invention, and is the disassembled perspective view which decomposed | disassembled the cover support body and the cover member. It is a figure which shows the structure of the top-plate elevating type fixture which concerns on one Embodiment of this invention, and is a horizontal sectional view of a leg part. It is a figure which shows the structure of the top-plate raising / lowering type fixture based on the modification of one Embodiment of this invention, and is a horizontal sectional view of a leg part. It is a figure which shows the structure of the top-plate raising / lowering type fixture which concerns on the modification of one Embodiment of this invention, and is the perspective view which cut and showed the upper part of the leg part.

Hereinafter, a desk device will be described with reference to the drawings as an example of an embodiment of the top-and-bottom lift fixture of the present invention.
FIG. 1 is a perspective view of a top-and-bottom lift fixture according to an embodiment of the present invention.
As shown in FIG. 1, the desk device 100 connects the top plate 1, a pair of support legs 2 that are spaced apart from each other on the floor F and support the top plate 1, and a pair of support legs 2. The connecting member 3 includes a cover support frame (cover support body) 4 and a cover body (cover member) 6 provided so as to cover the outer periphery of each support leg 2.
The desk device 100 is installed, for example, in an office room or a meeting room of a facility such as an office.
In the following description, the direction connecting the pair of support legs 2 is referred to as the left-right direction, the direction in which the top and bottom surfaces of the top plate 1 are directed is referred to as the up-down direction, and the direction orthogonal to the left-right direction and the up-down direction is referred to as the front-rear direction. In the top plate 1, a side on which a curtain plate 11 described later is provided is referred to as the rear side, and the opposite side is referred to as the front side.

  The top plate 1 has a work surface 1u on the upper surface. In this embodiment, the top plate 1 has a substantially rectangular shape, and is longer in the left-right direction than in the front-rear direction. A curtain plate 11 is provided at the rear end of the top plate 1 so as to extend downward from the lower surface of the top plate 1.

  Each support leg 2 includes a base member 21 provided along the floor surface F, and a leg member (leg body) 26 provided on the base member 21 and extending in the vertical direction to support the top plate 1. ing.

  The base member 21 extends along the front-rear direction. A plurality of adjusters 22 installed on the floor surface F are provided on the lower surface of the base member 21 so as to be separated in the front-rear direction. Each adjuster 22 can be adjusted to project downward from the base member 21. Thereby, the height and horizontal level of the base member 21 can be adjusted.

FIG. 2 is an enlarged perspective view of the periphery of one support leg 2 of the desk device 100.
As shown in FIG. 2, the leg member 26 is arranged on the upper surface 21 u of the base member 21 from the rear side rather than the center in the front-rear direction of the base member 21.

FIG. 3 is an exploded perspective view in which the base member 21 and the leg member 26 are disassembled as seen from below.
As shown in FIGS. 2 and 3, the leg member 26 includes a lower support 26 a fixed to the base member 21, an intermediate support 26 b accommodated in a vertically movable manner from the lower support 26 a, and an intermediate And an upper support 26c accommodated so as to be vertically movable from the inside of the support 26b. In the present embodiment, the lower support 26a is fixed from below the base member 21 with screws 21z.

  The lower support 26a, the intermediate support 26b, and the upper support 26c are formed in, for example, a quadrangular cylindrical shape, but may be a cylindrical shape or the like, and the horizontal sectional shape may be an arbitrary cylindrical shape. The vertical length of the leg member 26 can be adjusted by the intermediate support 26b and the upper support 26c projecting in the vertical direction with respect to the lower support 26a.

  In the present embodiment, the intermediate support 26b and the upper support 26c are arranged so as to be able to protrude and retract in the vertical direction with respect to the lower support 26a, but at least the lower support 26a is required to move the top plate 1 up and down. And the upper support 26c may be provided. Alternatively, a plurality of intermediate supports 26b may be provided so that they can appear and disappear from each other.

FIG. 4 is an exploded perspective view in which the support leg 2 and the cover body 6 are disassembled as viewed from below. FIG. 5 is an exploded perspective view of the support leg 2 and the connecting member 3 in an exploded state as viewed from above.
As shown in FIG. 5, the connecting member 3 is fixed to the upper end of the upper support 26c. The connection member 3 includes a support frame 31 that extends in the front-rear direction and is fixed to each support leg 2, and a connection frame 32 that extends in the left-right direction and connects the support frames 31 together.

  Both ends of the connection frame 32 are connected to the support frame 31, respectively. In the present embodiment, the connection frame 32 is connected to the support frame 31 by screws (not shown), welding, or the like.

  The support frame 31 and the connection frame 32 are fixed to the upper support 26c. The support frame 31 and the connection frame 32 are fixed to the lower surface of the top plate 1 (see FIG. 2) with screws (not shown). In the present embodiment, the support frame 31 and the connection frame 32 are fixed to the upper end portion of the upper support 26c with screws 31z.

FIG. 6 is an exploded perspective view in which the cover support frame 4 and the cover body 6 are disassembled. FIG. 7 is a horizontal sectional view of the leg member 26 portion.
As shown in FIGS. 6 and 7, the cover support frame 4 is disposed along the outer periphery of the lower support 26 a of the leg member 26. In the present embodiment, the cover support frame 4 is arranged over the entire outer periphery of the lower support 26a along the front surface, the left and right side surfaces, and the rear surface of the lower support 26a.

  The cover support frame 4 has a pair of side surface support portions 40 and a pair of front and rear support portions 50.

  Each side support portion 40 is disposed along each of the left and right side surfaces of the leg member 26. Each front / rear support portion 50 is disposed along each front / rear surface of the leg member 26.

  The side surface support part 40 and the front and rear support part 50 are configured as an integral unit. In this embodiment, the side surface support part 40 and the front-back support part 50 are connected by welding. The side support part 40 and the front / rear support part 50 have the same length as the overall length of the lower support 26a of the leg member 26 in the vertical direction.

  The side support portion 40 has a substantially U shape in a horizontal cross section. The side surface support portion 40 includes a side wall portion 41 and a bent wall portion 42 that is formed by bending from both ends of the side wall portion 41. The side wall portion 41 and the bent wall portion 42 form a substantially U shape in a horizontal section view.

  The side wall part 41 is disposed in contact with the left and right side surfaces of the lower support 26a. The bent wall portions 42 are bent from both end portions of the side wall portion 41, and are disposed in contact with the front and rear surfaces of the lower support 26a.

  The front / rear support part 50 includes a front / rear wall part 51, a locking wall part (supporting side locking part) 52, a holding frame part 53, and a mounting wall part 54.

  The front and rear wall portions 51 are arranged along the outer surface of the bent wall portion 42 so as to straddle the bent wall portions 42 of the pair of side surface support portions 40. The locking wall portion 52 is bent from both end portions of the front and rear wall portions 51, and is disposed apart from the side wall portion 41 of the side surface support portion 40 in the left-right direction.

  The holding frame portion 53 is formed in a U shape in plan view. The mounting wall portion 54 is bent from both ends of the holding frame portion 53 and is fixed to the front and rear wall portions 51.

  As shown in FIG. 4, a screw seat 56 is provided at the lower end portion of the holding frame portion 53. The cover support frame 4 is fixed to the base member 21 by screwing the screw 21 y into the screw seat 56 from below the base member 21.

  As shown in FIGS. 6 and 7, the cover support frame 4 is formed in a generally rectangular shape in plan view. In other words, a hollow portion 4 s extending in the vertical direction is formed inside the cover support frame 4. The leg member 26 is disposed in the hollow portion 4 s of the cover support frame 4. The size of the hollow portion 4s is substantially the same as or slightly larger than the size of the lower support 26a. For this reason, the movement of the lower support 26 a is restricted within the hollow portion 4 s of the cover support frame 4.

  The cover body 6 is disposed along the outer periphery of the cover support frame 4. In the present embodiment, the cover body 6 is disposed over the entire outer periphery of the cover support frame 4 along the front surface, the left and right side surfaces, and the rear surface of the cover support frame 4.

  The cover body 6 has a pair of side covers 60, a pair of front and rear covers 70, and an upper cover 80.

  Each side cover 60 is disposed along each of the left and right side surfaces of the cover support frame 4. Each front and rear cover 70 is disposed along the front and rear surfaces of the cover support frame 4 and the end portions of the left and right side surfaces. The side cover 60 and the front / rear cover 70 have the same length as the overall length of the cover support frame 4 in the vertical direction.

  The side cover 60 includes a side cover wall part 61, a first folded wall part 62, and a second folded wall part 63.

  The side cover wall 61 is disposed along the left and right side surfaces with a gap from the left and right side surfaces of the cover support frame 4. The first folded wall portion 62 is folded from both end portions of the side cover wall portion 61. The second folded wall 63 is folded from the end of each first folded wall 62. A gap is formed in the left-right direction between the second folded wall 63 and the first folded wall 62.

  The front / rear cover 70 includes a front / rear cover wall portion 71, an end wall portion (cover side locking portion) 72, a bent wall portion 73, and an insertion wall portion 74.

  The front and rear cover wall portions 71 are disposed along the front and rear surfaces of the cover support frame 4. In the present embodiment, the front and rear cover wall 71 is curved so as to be separated from the cover support frame 4 toward the center in the left-right direction. The end wall portion 72 is bent from both ends of the front and rear cover wall portion 71 and is disposed along the front and rear direction. The bent wall portion 73 is bent from the end portion of the end wall portion 72 toward the cover support frame 4. The insertion wall portion 74 is bent from the end portion of the bent wall portion 73 and disposed along the front-rear direction.

  The end wall portion 72 of the front / rear cover 70 is disposed in contact with the locking wall portion 52 of the cover support frame 4. Locking wall portions 52 that are spaced apart from each other in the left-right direction of the cover support frame 4 are fitted and locked in end wall portions 72 provided at the left and right ends of the front and rear cover 70. Thereby, the relative movement of the front and rear cover 70 in the left-right direction with respect to the cover support frame 4 is restricted. The end portion of the locking wall portion 52 of the cover support frame 4 is in contact with the bent wall portion 73 of the front and rear cover 70. Thereby, relative movement of the front and rear cover 70 in the direction away from the cover support frame 4 in the front and rear direction with respect to the cover support frame 4 is restricted.

  The insertion wall portion 74 of the front and rear cover 70 is inserted and locked in the gap between the first folded wall portion 62 and the second folded wall portion 63 of the side cover 60.

  As shown in FIG. 6, the upper cover 80 has an upper frame portion 81 and a mounting bracket 82. The upper frame portion 81 is formed in a generally rectangular shape in plan view. The upper frame portion 81 is disposed so as to cover the upper end portion of the cover support frame 4 and the upper end portion of the cover body 6. The mounting bracket 82 hangs downward from both front and rear end portions of the upper frame portion 81.

  The mounting bracket 82 is disposed in the holding frame portion 53 of the cover body 6. The upper cover 80 is fixed to the cover support frame 4 by screwing screws (not shown) inserted through screw holes formed in the holding frame portion 53 into the mounting bracket 82. As shown in FIG. 5, the cover body 6 has its lower end portion in contact with the upper surface 21 u of the base member 21 and its upper end portion in contact with the lower surface of the upper cover 80, so that the vertical movement is restricted.

  Further, the desk device 100 includes a drive motor (not shown) that moves the intermediate support 26b and the upper support 26c up and down, and a known control unit (not shown) that controls the lifting and lowering operations of the intermediate support 26b and the upper support 26c. ) And an operation unit 12 (see FIG. 2) for inputting a lifting operation signal to the control unit.

  The control unit is provided on the lower surface of the top plate 1, for example. The control unit is connected to a power cable (not shown; the same applies hereinafter) connected to a commercial power source provided in the office space where the desk device 100 is disposed.

  The operation unit 12 is provided at the front end of the top plate 1. The operation unit 12 is electrically connected to the control unit via a wiring cable (not shown; the same applies hereinafter).

  When the user inputs a predetermined operation to the operation unit 12, an operation signal is transmitted from the operation unit 12 to the control unit via the wiring cable. When the control unit receives the operation signal from the operation unit 12, the control unit outputs a command signal for causing the leg member 26 to perform the raising / lowering operation based on the received signal. When each leg member 26 receives a command signal, the leg member 26 is driven to extend and contract by an extension drive device (not shown) built in each leg member 26 according to the command signal, thereby adjusting the height of the top plate 1. Made.

Next, a method for mounting the cover support frame 4 and the cover body 6 on the support leg 2 will be described.
As shown in FIGS. 4 and 7, the cover support frame 4 and the cover body 6 are assembled in advance.
Specifically, the cover support frame formed in a square shape in plan view so that the end wall portions 72 provided on the left and right sides of the front and rear cover 70 are fitted on the locking wall portion 52 of the cover support frame 4. 4, the front / rear cover 70 is slid from above or below.

  Next, the side cover 60 is slid from above or below so that the second folded wall 63 of the side cover 60 is fitted between the side wall 41 of the cover support frame 4 and the insertion wall 74 of the front and rear cover 70. Move.

  Next, the mounting bracket 82 of the upper cover 80 shown in FIG. 6 is inserted into the holding frame portion 53 of the cover support frame 4, and the screws are inserted through the screw holes formed in the holding frame portion 53. Thread onto 82. Thereby, the cover support frame 4 and the cover body 6 are assembled and set.

  Next, as shown in FIG. 4, the support leg 2 is turned upside down and the set cover support frame 4 and cover body 6 are turned upside down. At this time, the front / rear cover 70 and the side cover 60 are restricted from moving downward by the upper cover 80 in a state where the upper and lower covers are turned upside down as shown in FIG.

  The cover support frame 4 and the cover body 6 are positioned on the upper end side of the leg member 26 (downward in the state shown in FIG. 4) so that the leg member 26 is disposed in the set cover support frame 4 and cover body 6. Slide it from the side.

  The cover support frame 4 and the cover body 6 are moved until the lower end portions (the upper side in the state shown in FIG. 4) contact the upper surface 21 u of the base member 21. The screw 21y is screwed into a screw seat 56 provided on the cover support frame 4 from below the base member 21 (the side positioned above in the state shown in FIG. 4). As a result, the cover support frame 4 and the cover body 6 are attached to the support legs 2.

  On the other hand, when the front / rear cover 70 and the side cover 60 of the cover body 6 are replaced, the reverse procedure is performed. Specifically, the screw 21y screwed from below the base member 21 (the side positioned above in the state shown in FIG. 4) is removed, and the cover support frame 4 and the cover body 6 are removed from the support leg 2. The screws screwed into the upper cover 80 may be removed, and a desired member of the front and rear cover 70 and the side cover 60 may be removed and replaced.

  In the desk device 100 configured as described above, the cover support frame 4 is supported by the lower support 26a and is disposed along the outer periphery of the lower support 26a. The cover body 6 is detachably provided on the cover support frame 4. Therefore, the side cover 60 and the front / rear cover 70 arranged on a plurality of surfaces of the outer periphery of the cover support frame 4 can be changed to correspond to the outer periphery of the leg member 26 according to the consumer's preference and the like.

  Further, since the cover body 6 closes the outer periphery of the lower support body 26a, the appearance around the leg member 26 of the desk device 100 can be improved without exposing the lower support body 26a.

  In addition, since the desk device 100 can be assembled by inserting the lower support 26a into the hollow portion 4s extending in the vertical direction of the cover support frame 4, the assembly workability is good.

  Further, the end wall portions 72 formed on the left and right sides of the cover body 6 are locked (externally fitted) to the locking wall portions 52 formed on the cover support frame 4, so that the cover body 6 is covered with the cover support frame 4. Attached to. Therefore, the cover body 6 can be easily attached and the cover body 6 is provided with good appearance.

(Modification)
Modification examples of the embodiment described above will be described mainly with reference to FIGS.
In the following modifications, the same members as those used in the above-described embodiment are denoted by the same reference numerals, and the description thereof is omitted.
FIG. 8 is a diagram showing a configuration of a top-bottom lift fixture according to a modification of the embodiment of the present invention, and is a horizontal sectional view of a leg. FIG. 9 is a view showing a configuration of a top plate lifting type fixture according to a modification of the embodiment of the present invention, and is a perspective view showing the upper portion of the leg portion.
As shown in FIGS. 8 and 9, a pair of front and rear support portions (cover support bodies) 150 are disposed along the front and rear surfaces of the lower support body 26a. Each of the front and rear support parts 150 is bent so as to be separated from the lower support body 26a from the first front and rear wall parts 151 disposed along the front and rear surfaces of the lower support body 26a, and from both ends of the first front and rear wall parts 151. And a second front and rear wall portion 153 disposed along the first front and rear wall portion 151, and a step portion 154 formed at the end of the second front and rear wall portion 153. ing.

  The cover body (cover member) 6A includes a pair of side surface covers 160 and a pair of front and rear covers 170.

  The side cover 160 has a gap with the left and right side surfaces of the lower support 26a, and is bent inward in the left-right direction from the side cover wall portion 161 disposed along the front-rear direction and both end portions of the side cover wall portion 161. And a folded wall portion 163 folded back from the end of the folded wall portion 162 toward the lower support 26a. The folded wall portion 163 is locked to the locking wall portion 152 of the front / rear support portion 150.

  The front / rear cover 170 includes a front / rear cover wall 171 that is curved, a bent wall 172 that is bent from both ends of the front / rear cover wall 171 so as to approach the lower support 26a, and a bent wall. And a folded wall portion 173 bent inward in the left-right direction from the end portion of 172. The folded wall portion 173 is locked to the step portion 154 of the front / rear support portion 150.

  The sound absorbing material 9 is disposed between the side cover wall portion 161 of the side cover 160 and the left and right side surfaces of the lower support 26a. For this reason, transmission to the exterior of the operation sound, vibration, etc. at the time of raising / lowering operation of the upper support 26c is suppressed.

  The various shapes and combinations of the constituent members shown in the above-described embodiments are merely examples, and various modifications can be made based on design requirements and the like without departing from the gist of the present invention.

  For example, in the above-described embodiment, the desk device 100 is illustrated as a fixture with a top plate. However, the present invention is not limited thereto, and may be a counter, a table, or the like other than the desk.

  Moreover, in embodiment shown above, although the cover member has obstruct | occluded the outer periphery of the lower support body 26a, this invention is not limited to this. The outer periphery of the lower support 26a is preferably closed by the cover support and the cover member or by the cover member, but the cover member only needs to be disposed on a plurality of surfaces of the outer periphery of the cover support. . For example, the cover support body may be disposed on four surfaces of the lower support body 26a, and the cover member may be disposed on two or three surfaces of the cover support body.

DESCRIPTION OF SYMBOLS 1 ... Top plate 1u ... Work surface 2 ... Support leg 3 ... Connecting member 4 ... Cover support frame (cover support body)
6 ... Cover body (cover member)
9 ... Sound absorbing material 11 ... Curtain plate 21 ... Base member 26 ... Leg member (leg)
26a ... lower support 26b ... intermediate support 26c ... upper support 40 ... side support 41 ... side wall 42 ... bent wall 50 ... front / rear support 51 ... front / rear wall 52 ... locking wall (support side Stop)
53 ... Holding frame 54 ... Mounting wall 56 ... Screw seat 60 ... Side cover 61 ... Side cover wall 62 ... First folding wall 63 ... Second folding wall 70 ... Front / back cover 71 ... Front / back cover wall 72 ... End wall (cover side locking part)
73 ... Bent wall 74 ... Insertion wall 80 ... Upper cover 81 ... Upper frame 82 ... Mounting bracket 100 ... Desk device F ... Floor

Claims (5)

A top plate having a work surface on the upper surface;
An upper support for supporting the top plate, and a leg having a lower support for supporting the upper support so as to be movable up and down;
A cover support supported by the lower support and disposed along the outer periphery of the lower support;
And a cover member that is detachably provided on the cover support and disposed on a plurality of surfaces of the outer periphery of the cover support.   The top-plate elevating-type fixture according to claim 1, wherein an outer periphery of the lower support is closed by the cover support and the cover member or by the cover member. A hollow portion extending in the vertical direction is formed inside the cover support,
The top-bottom lift fixture according to claim 1 or 2, wherein the lower support is disposed in the hollow portion of the cover support. The cover support is formed with a support side locking portion,
The top-plate elevating type fixture according to any one of claims 1 to 3, wherein the cover member is formed with a cover-side locking portion that can be locked with the support-side locking portion.   5. The table-top elevating-type fixture according to claim 1, wherein a sound absorbing material is disposed between the cover member and the lower support.

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