JP7337710B2 - Furniture with top plate - Google Patents

Description

Application of Article 30, Paragraph 2 of the Patent Law 1. Website publication date: November 05, 2019 Website address: WORK STYLES 2020 http://www. okamura. co. jp/company/ws2020/ 2. Date: November 6-8, 2019 Exhibition name, venue: Okamura Grand Fair 2019 Okamura Garden Court Showroom 3. Website publication date: November 05, 2019 Website address: News release http://www. okamura. co. jp/company/topics/index. php 4. Website publication date: November 05, 2019 Website address: Product information http://www. okamura. co. jp/product/5. Website publication date: November 05, 2019 Website address: Electronic catalog database http://gmd. okamura. jp/iportal/CatalogSearch. do? method=catalogSearchByDefaultSettingCategories&volumeID=OKM05&designID=#catalogGroup_0046. Website publication date: November 05, 2019 Website address: Office general catalog 2020 electronic catalog http://www. okamura. co. jp/catalog/http://gmd. okamura. jp/iportal/CatalogViewInterfaceStartUpAction. do? method=startUp&mode=PAGE&volumeID=OKM05&catalogId=27374300000&pageGroupId=1&catalogCategoryId=&designConfirmFlg=&keyword=7. Website publication date: November 05, 2019 Website address: NEW PRODUCTS 2020 http://www. okamura. co. jp/company/swt/new-products-2020. html

Application of Article 30, Paragraph 2 of the Patent Law 8. Website Posting Date: December 11, 2019 Website Address: Soloist Concept http://www. okamura. co. jp/product/desk_table/soliste/9. Date: December 5-6, 2019 Exhibition name, venue: Okamura Fair in Osaka 2019 Okamura KIZUKI LABO 10. Date: December 10-11, 2019 Exhibition name, venue: Okamura Fair in Fukuoka 2019 Okamura Fukuoka Showroom & HAPPI LABO

The present invention relates to furniture with a top plate.

2. Description of the Related Art In work spaces such as offices and public facilities, fixtures are generally installed in order to improve work efficiency of workers. As such fixtures, for example, as disclosed in Patent Literature 1, fixtures with a top board having a top board supported by legs or the like are widely used.

Japanese Patent No. 6019145

In such fixtures with a top plate, the worker sits on a chair and works with both feet inserted under the top plate, or the worker performs work while standing on the side of the top plate. is common. Normally, when working, the worker uses the upper surface of the top board as a working surface. However, when an occupant changes his or her posture, there are many opportunities for the occupant to touch the lower surface of the top plate or the edge of the lower surface, including unintentional cases. If an acute-angled portion is formed on the lower surface or the edge of the lower surface of such a top plate, the occupant may touch it and feel uncomfortable.

In addition to functionality, high design is also required for fixtures with top plates such as those described above that are used daily by office workers and the like. From the viewpoint of such design, there is a demand to make the top plate as thin as possible. On the other hand, if the thickness of the top plate is excessively reduced, the rigidity of the top plate is lowered, causing functional problems such as the top plate being easily bent.

The present invention has been made in view of the above-mentioned problems. To make it possible to visually recognize a thin top plate while maintaining it.

The present invention employs the following configurations as means for solving the above problems.

A first invention is a fixture with a top plate, which includes a top plate having a work surface and a support structure for supporting the top plate, wherein the top plate is an upper structure part having the work surface on the top surface. and a lower structural portion that supports the upper structural portion from below, wherein the upper structural portion includes a flat plate portion having the working surface, a peripheral wall portion hanging downward from an outer edge of the flat plate portion, and the peripheral wall. and an extension piece extending from the lower end of the flat plate portion toward the central portion of the flat plate portion in plan view, and the lower structure portion has a bottom plate portion disposed opposite to the flat plate portion in plan view. is arranged closer to the central portion of the flat plate than the tip of the extension piece, fixed to the lower surface of the flat plate, and has a thickness in the vertical direction greater than the separation distance from the lower surface of the flat plate to the lower surface of the extension piece A configuration in which the height dimension is large is adopted.

In the first invention as described above, the top plate has an upper structural portion having a working surface and a lower structural portion that supports the upper structural portion from below. In addition, the lower structural portion is provided with a bottom plate portion arranged to face the flat plate portion of the upper structural portion having a work surface from below. That is, in the present invention, the bottom plate portion is arranged at the center of the lower portion of the top plate. Further, in the present invention, a peripheral wall portion is provided on the outer edge of the flat plate portion of the upper structural portion, and the extending piece extends from the lower end of the peripheral wall portion toward the central portion of the flat plate portion. Further, the lower structural portion having a thickness dimension larger than that of the flat plate portion is arranged closer to the central portion of the flat plate portion than the extension piece. In the present invention, as described above, a stepped portion is provided whose thickness dimension decreases stepwise from the bottom plate portion of the top plate located at the center of the lower portion of the top plate as it approaches the outer edge of the top plate. . That is, according to the present invention, the stepped portion is provided so that the lower corner portion of the outer edge of the top plate is removed. Therefore, according to the present invention, it is possible to prevent a part of the body of an occupant from being caught in the lower corner of the outer edge of the tabletop, and to prevent discomfort when the occupant touches the lower surface or the edge of the lower surface of the tabletop. can be suppressed.

Further, in the present invention, the peripheral wall portion and the extending piece are provided at the edge of the upper structural portion, and the lower structural portion having a thickness dimension larger than the separation distance from the flat plate portion to the extending piece is larger than the flat plate portion. is placed in the center of For this reason, according to the present invention, the lower structural part is arranged in the blind spot of an occupant whose head is normally positioned above the top plate, and the thickness dimension of the top plate is the thickness dimension of the upper structural part. Such an impression can be given to the clerk or the like. On the other hand, the rigidity of the top plate can be ensured by the lower structural portion arranged in the blind spot of the worker or the like. Therefore, according to the present invention, it is possible to visually recognize the thin top plate while maintaining the rigidity of the top plate.

In a second aspect based on the first aspect, the lower structural portion includes a base portion having a bottom plate portion and a standing wall portion erected upward from an outer edge of the bottom plate portion, and a base portion fixed to an upper surface of the bottom plate portion. and a horizontally extending reinforcing beam.

According to the second aspect of the invention, since the reinforcing beams are provided in the lower structural portion, the strength of the lower structural portion can be improved by the reinforcing beams. Therefore, the thickness dimension of the lower structure for ensuring the strength of the top plate can be kept small, and the lower structure can be made less visible to workers and the like.

According to a third invention, in the second invention, the upper surface of the base portion and the upper surface of the reinforcing beam are arranged on the same plane and fixed to the lower surface of the flat plate portion.

According to the third aspect of the invention, the load received by the working surface of the upper structure can be directly transmitted not only to the base of the lower structure but also to the reinforcing beams, so that the deformation of the working surface can be ensured. It can be suppressed.

In a fourth aspect based on the second or third aspect, the lower structural portion includes a plurality of reinforcing beams, and embedded members disposed between the reinforcing beams and made of foamed plastic. Adopt the configuration of providing.

According to the fourth aspect of the invention, part of the load received by the work surface of the upper structure can be received by the embedded member, and the work surface is reduced in comparison with the case where the space between the reinforcing beams is hollow. Deformation can be suppressed more reliably. In addition, since the embedded member is made of foamed plastic, it is possible to suppress deformation of the work surface while suppressing an increase in the weight of the top plate.

According to a fifth aspect of the present invention, in the fourth aspect of the invention, the embedded member has an upper surface fixed to the lower surface of the flat plate portion and a lower surface fixed to the upper surface of the bottom plate portion.

According to the fifth aspect of the invention, since the embedded member is fixed to the flat plate portion and the bottom plate portion, it is possible to prevent the embedded member from being unintentionally displaced with respect to the flat plate portion and the bottom plate portion. . Moreover, since the lower surface of the flat plate portion and the upper surface of the bottom surface portion can be fixed over the entire area, the rigidity of the top plate can be increased.

According to a sixth aspect, in any one of the second to fifth aspects, the upper structural portion is erected upward from a tip end of the extension piece and arranged to face the standing wall portion of the base portion. A configuration having opposing pieces is adopted.

According to the sixth aspect of the invention, since the opposing piece is connected to the tip of the extension piece, burrs are not generated at the tip of the extension piece. In addition, the upper end of the opposing piece, where burrs may occur, is arranged so that the opposing wall faces the standing wall of the base of the lower structure and is covered with a flat plate from above, so that workers and others cannot touch it. do not have. Therefore, according to the present invention, it is possible to prevent the fingertips of the worker from being caught in the burrs generated in the upper structural portion, and to more reliably prevent the worker from feeling uncomfortable.

According to the present invention, according to the present invention, it is possible to prevent a part of the body of an occupant from being caught in the lower corner of the outer edge of the top plate, and to prevent the occupant from touching the bottom surface or the edge of the bottom surface of the top plate. It is possible to suppress the sense of incompatibility in the case of Further, according to the present invention, it is possible to visually recognize the thin top plate while maintaining the rigidity of the top plate.

1 is a perspective view showing a schematic configuration of a desk unit having a desk according to one embodiment of the present invention; FIG. FIG. 3 is a perspective view showing a schematic configuration of a desk included in the desk unit; FIG. 3 is an exploded perspective view showing a schematic configuration of a desk included in the desk unit; FIG. 3 is a schematic cross-sectional view of the top plate corresponding to the AA cross-sectional view of FIG. 2; 5 is an enlarged cross-sectional view of the edge of the top plate corresponding to the enlarged view of region B in FIG. 4; FIG. It is an expanded sectional view of the edge part of the top plate in the modification of this invention.

An embodiment of a fixture with a top plate according to the present invention will be described below with reference to the drawings.

FIG. 1 is a perspective view showing a schematic configuration of the desk unit 1. As shown in FIG. The desk unit 1 is installed in a work space such as an office or a public facility, and is a fixture for providing a work space for efficiently handling electronic devices and the like for workers. As shown in FIG. (furniture with a top plate), a wagon 3, a clamp device 4, a lighting device 5, and a tabletop tap 6. It should be noted that the desk unit 1 does not necessarily include the wagon 3, and may be configured without the wagon 3. FIG. Also, the desk unit 1 may be provided with other optional members.

In the following description, the front side of the desk unit 1 is referred to as the front side, the rear side as the rear side, the left side as the left side, and the right side as the right side as viewed from the worker who works on the desk unit 1 . That is, as shown in FIG. 1, the left-right direction is the direction in which a pair of legs 10 of the desk 2 are spaced apart, and the front-rear direction is the horizontal direction perpendicular to the left-right direction. Also, the direction of gravity (the direction along the normal to the floor on which the desk 2 is placed) is defined as the vertical direction.

FIG. 2 is a perspective view of the desk 2. FIG. Also, FIG. 3 is an exploded perspective view in which a part of the desk 2 is exploded. The desk 2 is a fixture that provides a work surface on which electronic devices and the like used by the worker can be placed. As shown in FIGS. It has a board 11, a curtain board 12, a wiring duct 13, a cover part 14, and a vertical wiring duct 15. - 特許庁

Each leg 10 has a frame-like frame 10a formed by connecting four linear frames in a square frame shape, and an adjuster 10b connected to the lower end of the frame-like frame 10a. These legs 10 have adjusters 10b in contact with the floor surface and support the top plate 11 from below.
As shown in FIG. 2, the pair of legs 10 are spaced apart in the left-right direction with the frame-like frames 10a opposed to each other. That is, in the present embodiment, the left-right direction is the separation direction of the pair of legs 10 . The leg 10 may have a panel for closing the opening of the frame 10a, or may have a panel frame instead of the frame 10a.

The top plate 11 is a plate-like member whose front and back surfaces are oriented in the vertical direction, and in this embodiment, has a rectangular shape in a plan view with the left-right direction as the longitudinal direction and the front-rear direction as the short direction. The top plate 11 has legs 10 fixed to the bottom surface of the left edge and the bottom surface of the right edge with fasteners (not shown) and supported from below by these legs 10 . The upper surface 11a of such a top plate 11 forms a work surface on which a worker places electronic devices and the like. The length dimension of the top plate 11 in the front-rear direction is substantially the same as the length dimension of the leg 10 in the front-rear direction.

FIG. 4 is a schematic cross-sectional view of the top plate 11, corresponding to the AA cross-sectional view of FIG. As shown in this figure, the top plate 11 in this embodiment includes an upper structural portion 20 having a working surface (upper surface 11a) and a lower structural portion 30 supporting the upper structural portion 20 from below.

The upper structural portion 20 is formed by bending a rectangular sheet metal at its ends, and the surface of the upper structural portion 20 is painted, for example. FIG. 5 is an enlarged cross-sectional view of the front end portion of the top plate 11, and is an enlarged view of area B in FIG. As shown in this figure, the upper structural portion 20 of the top plate 11 has a flat plate portion 21 , a peripheral wall portion 22 and an extension piece 23 .

The flat plate portion 21 is a flat plate portion having a work surface (upper surface 11a) on its upper surface, and has a rectangular shape in a plan view. The peripheral wall portion 22 is a portion that hangs downward from the outer edge 21a of the flat plate portion 21 (the outermost edge in a plan view and corresponding to the four sides of the rectangular flat plate portion 21). That is, the peripheral wall portion 22 is provided on each of four sides of the flat plate portion 21 having a rectangular shape in plan view, and is arranged in a frame shape as a whole.

The extending piece 23 is a portion extending from the lower end of the peripheral wall portion 22 toward the central portion of the flat plate portion 21 in plan view. That is, the extending piece 23 provided at the lower end of the peripheral wall portion 22 connected to the outer edge 21a on the front side of the flat plate portion 21 extends rearward from the peripheral wall portion 22 . An extending piece 23 provided at the lower end of the peripheral wall portion 22 connected to the outer edge 21a on the rear side of the flat plate portion 21 extends forward from the peripheral wall portion 22 . An extending piece 23 provided at the lower end of the peripheral wall portion 22 connected to the left outer edge 21a of the flat plate portion 21 extends rightward from the peripheral wall portion 22 . An extending piece 23 provided at the lower end of the peripheral wall portion 22 connected to the outer edge 21a on the right side of the flat plate portion 21 extends leftward from the peripheral wall portion 22 . These extending pieces 23 are arranged below the flat plate portion 21 and extend horizontally so as to be parallel to the flat plate portion 21, as shown in FIG.

As shown in FIGS. 4 and 5, the upper structural portion 20 is arranged such that the end portion provided with the peripheral wall portion 22 and the extending piece 23 protrudes outward from the lower structural portion 30. . A peripheral wall portion 22 provided in the upper structural portion 20 forms the outermost peripheral portion of the top plate 11 . In addition, in the present embodiment, the separation distance d1 from the lower surface 21b of the flat plate portion 21 to the lower surface 23a of the extension piece 23 is smaller than the thickness dimension d2 of the lower structural portion 30 in the vertical direction.

The lower structural part 30 comprises a base 31 , reinforcing beams 32 and embedded members 33 . The base portion 31 is formed by bending a rectangular sheet metal at an end, and the surface of the base portion 31 is painted, for example. As shown in FIG. 5 , the base portion 31 has a bottom plate portion 34 , a vertical wall portion 35 and an upper end piece 36 .

The bottom plate portion 34 is a flat plate portion having a flat lower surface 34a, and has a rectangular shape in a plan view. The bottom plate portion 34 has a horizontal posture so as to be parallel to the flat plate portion 21 of the upper structural portion 20 , and has smaller longitudinal and lateral dimensions than the flat plate portion 21 . The vertical wall portion 35 is erected from the outer edge 34b of the bottom plate portion 34, and the dimension in the height direction is larger than the distance d1 between the lower surface 21b of the flat plate portion 21 and the lower surface 23a of the extension piece 23 in the upper structural portion 20. big. That is, the standing wall portions 35 are provided on each of the four sides of the bottom plate portion 34 which is rectangular in plan view, and are arranged in a frame shape as a whole. Further, in the present embodiment, the tip 23b of the extending piece 23 of the upper structural portion 20 is in contact with or close to the outer wall surface of the standing wall portion 35. As shown in FIG.

The upper end piece 36 is a portion extending from the upper end of the standing wall portion 35 toward the central portion of the bottom plate portion 34 in plan view. That is, the upper end piece 36 provided at the upper end of the vertical wall portion 35 connected to the outer edge 34b on the front side of the bottom plate portion 34 extends rearward from the vertical wall portion 35 . An upper end piece 36 provided at the upper end of the vertical wall portion 35 connected to the outer edge 34b on the rear side of the bottom plate portion 34 extends forward from the vertical wall portion 35 . An upper end piece 36 provided at the upper end of the vertical wall portion 35 connected to the left outer edge 34b of the bottom plate portion 34 extends rightward from the vertical wall portion 35 . An upper end piece 36 provided at the upper end of the vertical wall portion 35 connected to the outer edge 34b on the right side of the bottom plate portion 34 extends leftward from the vertical wall portion 35 . These upper end pieces 36 are arranged below the bottom plate portion 34 and extend horizontally so as to be parallel to the bottom plate portion 34, as shown in FIG.

The reinforcing beam 32 is a linearly extending reinforcing member, and in this embodiment, has a substantially C-shaped cross section perpendicular to the longitudinal direction (left-right direction) that is open upward. The reinforcement beam 32 has a thickness dimension such that the upper surface 32a is flush with the upper surface 36a of the upper end piece 36 of the base portion 31, and the lower surface 32b is fixed to the upper surface 34c of the bottom plate portion 34 via an adhesive 40. there is In the present embodiment, a plurality of reinforcing beams 32 extending in the left-right direction are provided so as to be arranged at intervals in the front-rear direction.

As shown in FIG. 4, the embedded member 33 is arranged between the reinforcing beams 32 and fills the space between the reinforcing beams 32 . As shown in FIG. 5, the embedded member 33 has a thickness dimension such that the upper surface 33a is flush with the upper surface 36a of the upper end piece 36 of the base portion 31 and the upper surface 32a of the reinforcing beam 32, and the lower surface 33b is the bottom plate portion. 34 is affixed to the upper surface 34c of 34 via an adhesive 40. As shown in FIG. Such an embedded member 33 is made of foamed plastic such as polystyrene foam in this embodiment.

Such a lower structural portion 30 is fixed to the lower surface 21 b of the flat plate portion 21 of the upper structural portion 20 via an adhesive 40 . With this adhesive 40, the upper surface 36a of the upper end piece 36 of the base portion 31, the upper surface 32a of the reinforcing beam 32, and the upper surface 33a of the embedded member 33 are fixed to the lower surface 21b of the flat plate portion 21. As shown in FIG. In FIGS. 4 and 5, the adhesive 40 is schematically shown to be thick in order to facilitate visual recognition. It is said that

The thickness dimension d2 of the lower structural portion 30 is from the lower surface 34a of the bottom plate portion 34 to the upper surface 36a of the upper end piece 36, as shown in FIG. The thickness dimension d2 of such a lower structural portion 30 is greater than the separation distance d1 from the lower surface 21b of the flat plate portion 21 to the lower surface 23a of the extension piece 23. As shown in FIG. Furthermore, in the present embodiment, the outer wall surface of the standing wall portion 35, which is the outer peripheral portion of the lower structural portion 30, is in contact with or close to the tip 23b of the extending piece 23 of the upper structural portion 20. As shown in FIG. That is, in the present embodiment, the lower structural portion 30 is arranged closer to the central portion of the flat plate portion 21 than the tip 23b of the extending piece 23 in plan view, and is fixed to the lower surface 21b of the flat plate portion 21. The thickness dimension in the vertical direction is larger than the separation distance from the lower surface 21 b to the lower surface 23 a of the extension piece 23 .

As shown in FIGS. 1 to 3, the curtain plate 12 is a plate-like member that connects the rear end of one leg 10 and the rear end of the other leg 10 . The curtain plate 12 is fixed to each leg 10 by fasteners (not shown). The curtain board 12 has a vertical curtain board frame 12a directly fixed to the frame-like frame 10a of the leg 10, and a curtain board panel 12b supported by the vertical curtain board frame 12a. The curtain plate vertical frames 12a are arranged at the left and right ends of the curtain plate 12, respectively, and are fixed to the frame-shaped frame 10a by fasteners (not shown). The curtain plate panel 12b is a panel body in which each of the left and right ends is fixed to the vertical frame 12a of the curtain plate, and is arranged with its front and back surfaces directed in the front-rear direction. The upper and lower edges of the curtain plate panel 12b are folded forward. A gap S is provided between the top plate 11 and the curtain plate 12 . Wiring cables and the like can be put in and taken out from the wiring accommodation area R of the wiring duct 13 from the rear side of the top plate 11 by this gap S.

The wiring duct 13 is arranged below the top plate 11 and has a wiring accommodation area R extending in the left-right direction. As shown in FIG. 3, the wiring duct 13 has a bottom plate 13a, a rear standing piece 13b, and a front standing piece 13c. The bottom plate 13a forms the bottom of the wiring duct 13, and has a plate shape with a mounting surface on which objects such as wiring can be mounted facing upward. The bottom plate 13a has a long plate shape elongated in the left-right direction. For example, as shown in FIG. It is

The rear standing piece 13b is erected upward from the rear end of the bottom plate 13a. A claw portion that can be locked to the curtain plate 12 is formed on the upper edge of the rear standing piece 13b. The claw portion is provided so as to horizontally protrude forward from the rear side, and is provided over the entire area of the rear standing piece 13b in the left-right direction. The wiring duct 13 is supported with respect to the curtain plate 12 by engaging the claw portion with the curtain plate panel 12b. Such a rear standing piece 13b is arranged to face the panel 12b of the panel 12 in surface contact or in close proximity. The front erecting piece 13c is erected upward from the front end of the bottom plate 13a. The vertical dimension of the front standing piece 13c is smaller than the vertical dimension of the rear standing piece 13b. That is, the front standing piece 13c is formed lower than the rear standing piece 13b.

Such a wiring duct 13 is made of hard resin, for example, and forms a wiring accommodation area R surrounded by a bottom plate 13a, a rear standing piece 13b, and a front standing piece 13c.
Such a wiring accommodation area R is open upward, and wiring and the like can be taken in and out from above. In addition, the wiring duct 13 has open ends in the left-right direction. For this reason, it is possible to insert wiring or the like from the outside of the wiring duct 13 into the wiring housing region R via the ends of the wiring duct 13 in the left-right direction.

The cover part 14 is detachable from the wiring duct 13 , and is a member that covers the wiring housing area R of the wiring duct 13 from the front side in the mounted posture mounted on the wiring duct 13 . The width dimension of the cover portion 14 in the left-right direction is shorter than, for example, the distance from one vertical panel frame 12a of the panel 12 to the other vertical panel frame 12a. In the present embodiment, the width dimension of the cover portion 14 in the left-right direction is set to half of the separation dimension from one vertical panel frame 12a of the panel 12 to the other vertical panel frame 12a. Two cover portions 14 can be mounted from the vertical frame 12a to the other vertical frame 12a. In other words, the entire wiring accommodation area R of the wiring duct 13 is covered with a plurality of (two in this embodiment) cover portions 14 . Each cover portion 14 has flexibility and is made of, for example, a soft resin.

As shown in FIGS. 2 and 3 , the vertical wiring duct 15 is fixed to the left leg 10 of the two legs 10 . Specifically, of the four linear frames that form the frame-shaped frame 10a of the left leg 10, it is fixed in contact with the front side surface of the vertical frame arranged at the rear. The vertical wiring duct 15 is a member for guiding wiring cables from the outside of the desk 2 to the wiring duct 13. The main duct 15a has an internal space for accommodating wiring and the like, and the main duct 15a is attached to the frame-shaped frame 10a. It has a fixture 15b for fixing and a detachable duct 15c detachable from the main body duct 15a.

For example, as shown in FIG. 1, a power strip D is attached to the desk 2 as pulled out from the floor. The power tap D includes a tap main body D1 provided with an outlet for an outlet, and a wiring cable D2 connected to the tap main body D1. The tap main body D1 of such a power tap D is placed in the wiring accommodation region R of the wiring duct 13, and the wiring cable D2 connected to the tap main body D1 is connected to the floor through the wiring duct 13 and the vertical wiring duct 15, for example. reached the surface.

Returning to FIG. 1, the wagon 3 is a fixture that can accommodate baggage and the like of the worker using the desk unit 1, and can be accommodated between the two legs 10 and below the top plate 11. . The wagon 3 is provided with casters (not shown) on its lower surface so that it can be easily moved forward and backward.

The clamp device 4 is a fixture for supporting the lighting device 5 and the tabletop tap 6 . In this embodiment, the clamp device 4 is fixed to the top plate 11 by clamping the rear edge of the top plate 11 from above and below. Since the desk unit 1 of this embodiment includes the lighting device 5 and the desk tap 6, two clamping devices 4 are provided. A lighting device 5 is connected to one clamp device 4 , and a desktop tap 6 is connected to the other clamp device 4 .

The desk 2 included in the desk unit 1 of this embodiment as described above includes a top plate 11 having a work surface and legs 10 supporting the top plate 11 . Further, in the desk 2 of this embodiment, the top plate 11 has an upper structural portion 20 whose upper surface serves as a work surface, and a lower structural portion 30 that supports the upper structural portion 20 from below. Further, the upper structural portion 20 includes a flat plate portion 21 having a working surface, a peripheral wall portion 22 hanging downward from an outer edge 21a of the flat plate portion 21, and a central portion of the flat plate portion 21 in plan view from the lower end of the peripheral wall portion 22. and an extension piece 23 extending toward the In addition, the lower structural portion 30 has a bottom plate portion 34 arranged to face the flat plate portion 21, and is arranged closer to the central portion of the flat plate portion 21 than the tip 23b of the extension piece 23 in plan view. It is fixed to the lower surface 21b and has a thickness dimension d2 in the vertical direction that is larger than the separation distance d1 from the lower surface 21b of the flat plate portion 21 to the lower surface 23a of the extension piece 23 .

In the desk 2 of this embodiment, the bottom plate portion 34 is arranged at the center of the lower portion of the top plate 11 , and is positioned closer to the center portion of the flat plate portion 21 than the extension piece 23 and is thicker than the thickness dimension of the flat plate portion 21 . A lower structural portion 30 having a large height dimension is arranged. In such a desk 2 of the present embodiment, as shown in FIG. A step portion X having a reduced thickness is provided. That is, according to the desk 2 of the present embodiment, the step portion X is provided so that the lower corner portion of the outer edge of the top plate 11 is removed. Therefore, according to the desk 2 of the present embodiment, it is possible to prevent a part of the body of the worker from being caught in the lower corner of the outer edge of the top plate 11, and the worker or the like can prevent the bottom surface of the top plate 11 or the edge of the bottom surface from being caught. It is possible to suppress discomfort when touching.

In addition, in the desk 2 of the present embodiment, the peripheral wall portion 22 and the extension piece 23 are provided at the edge of the upper structural portion 20, and the thickness dimension d2 is larger than the separation distance d1 from the flat plate portion 21 to the extension piece 23. A lower structural portion 30 is arranged in the central portion of the flat plate portion 21 relative to the extending piece 23 . For this reason, according to the desk 2 of this embodiment, the lower structural portion 30 is arranged in the blind spot of an occupant whose head is normally positioned above the top plate 11, and the thickness dimension of the top plate 11 is equal to that of the upper structure. It is possible to give an impression to the worker or the like as if it is the thickness dimension of the portion 20 . On the other hand, the rigidity of the top plate 11 can be ensured by the lower structural portion 30 arranged in the blind spot of the worker or the like. Therefore, according to the desk 2 of the present embodiment, it is possible to visually recognize the thin top plate 11 while maintaining the rigidity of the top plate 11 .

For example, the surface color of the upper structural portion 20 is bright, and the surface color of at least the base portion 31 of the lower structural portion 30 is dark. By making the surface color of the base 31 darker, the base 31 becomes more difficult to be visually recognized by workers and the like, and the top plate 11 can be more reliably visually recognized as being thin. For example, it is conceivable to set the surface color of the upper structural portion 20 to white and the surface color of the base portion 31 of the lower structural portion 30 to black.

Further, in the desk 2 of the present embodiment, the lower structural portion 30 is fixed to the base portion 31 having the bottom plate portion 34 and the standing wall portion 35 erected upward from the outer edge of the bottom plate portion 34, and to the upper surface of the bottom plate portion 34. and a reinforcing beam 32 extending horizontally. Therefore, the strength of the lower structure portion 30 can be improved by the reinforcement beams 32, and the thickness dimension of the lower structure portion 30 for ensuring the strength of the top plate 11 can be reduced. can be made more difficult to be visually recognized by workers and the like.

Further, in the desk 2 of this embodiment, the upper surface of the base portion 31 (the upper surface 36a of the upper end piece 36) and the upper surface 32a of the reinforcing beam 32 are arranged on the same plane and are fixed to the lower surface 21b of the flat plate portion 21. there is Therefore, the load received by the working surface of the upper structural portion 20 can be directly transmitted not only to the base portion 31 of the lower structural portion 30 but also to the reinforcing beams 32, so that deformation of the working surface can be more reliably suppressed. It becomes possible.

In addition, in the desk 2 of this embodiment, the lower structural portion 30 includes a plurality of reinforcing beams 32, and an embedded member 33 disposed between the reinforcing beams 32 and made of foamed plastic. Therefore, part of the load received by the working surface of the upper structural portion 20 can be received by the embedded member 33, and the deformation of the working surface can be ensured more reliably than in the case where the space between the reinforcing beams 32 is hollow. It can be suppressed. Further, since the embedded member 33 is made of foamed plastic, it is possible to suppress deformation of the working surface while suppressing an increase in the weight of the top plate 11 .

In the desk 2 of the present embodiment, the embedded member 33 has its upper surface 33a fixed to the lower surface 21b of the flat plate portion 21 and its lower surface 21b fixed to the upper surface 34c of the bottom plate portion . Therefore, it is possible to prevent the embedded member 33 from being unintentionally displaced with respect to the flat plate and the bottom plate portion 34 . Further, since the lower surface 21b of the flat plate portion 21 and the upper surface 34c of the bottom surface portion 34 can be fixed over the entire area, the rigidity of the top plate 11 can be increased.

Although the preferred embodiments of the present invention have been described above with reference to the accompanying drawings, it goes without saying that the present invention is not limited to the above embodiments. The various shapes, combinations, and the like of the constituent members shown in the above-described embodiment are merely examples, and can be variously changed based on design requirements and the like without departing from the gist of the present invention.

For example, as shown in FIG. 6, the upper structural portion 20 adopts a configuration having a facing piece 24 that stands upward from the tip 23b of the extension piece 23 and that is arranged to face the standing wall portion 35 of the base portion 31. It is also possible to By adopting such a configuration, since the opposing piece 24 is connected to the tip 23b of the extension piece 23, the tip 23b of the extension piece 23 is free from burrs. Furthermore, the upper end of the opposing piece 24, where burrs may occur, is arranged so that the opposing wall faces the standing wall portion 35 of the base portion 31 of the lower structural portion 30, and is further covered with the flat plate portion 21 from above. etc. will not be touched. Therefore, it is possible to prevent the fingers of the worker from being caught in the burrs formed on the upper structural portion 20, and to more reliably prevent the worker from feeling uncomfortable.

Further, in the above-described embodiment, the configuration in which the lower structural section 30 is fixed to the upper structural section 20 with the adhesive 40 has been described. However, the invention is not limited to this. For example, it is also possible to employ a configuration in which the lower structural section 30 is fixed to the upper structural section 20 using fasteners.

Further, in the above-described embodiment, the configuration in which the reinforcing beam 32 is fixed to the bottom plate portion 34 with the adhesive 40 has been described. However, the present invention is not limited to this, and it is also possible to employ a configuration in which the reinforcing beams 32 are fixed to the bottom plate portion 34 using fasteners.

1 Desk unit 2 Desk (furniture with top plate) 3 Wagon 4 Clamp device 5 Lighting device 6 Desktop tap 10 Leg (support structure) 10a Frame-shaped frame 10b Adjuster 11 Top plate 11a Upper surface 12 Curtain plate 13 Wiring duct 14 Cover portion 15 Vertical wiring duct 20 Upper structural portion 21 Flat plate portion 21a Outer edge 21b Lower surface 22 Peripheral wall portion 23 Extension piece 23a Lower surface 23b Tip 24 Opposing piece 30 . . . Lower structural portion 31 .. Base 32 . .

Claims (6)

A fixture with a top plate comprising a top plate having a work surface and a support structure supporting the top plate,
The top plate has an upper structural portion whose upper surface is the work surface, and a lower structural portion that supports the upper structural portion from below,
The upper structural portion includes a flat plate portion having the work surface, a peripheral wall portion hanging downward from the outer edge of the flat plate portion, and extending from the lower end of the peripheral wall portion toward the central portion of the flat plate portion in a plan view. and a stretched piece;
The lower structural portion has a bottom plate portion arranged to face the flat plate portion, is arranged closer to the central portion of the flat plate portion than the tip of the extension piece in plan view, and is fixed to the lower surface of the flat plate portion. and a thickness dimension in the vertical direction larger than a clearance from the lower surface of the flat plate portion to the lower surface of the extension piece. The lower structural part is
a base portion having the bottom plate portion and a standing wall portion erected upward from an outer edge of the bottom plate portion;
The furniture with a top plate according to claim 1, further comprising a reinforcing beam fixed to the upper surface of the bottom plate portion and extending in the horizontal direction. 3. The furniture with a top plate according to claim 2, wherein the upper surface of the base and the upper surface of the reinforcing beam are arranged on the same plane and are fixed to the lower surface of the flat plate portion. The lower structural part is
comprising a plurality of said reinforcing beams,
The furniture with a top plate according to claim 2 or 3, further comprising an embedded member which is arranged between the reinforcing beams and made of foamed plastic. 5. The furniture with a top plate according to claim 4, wherein the embedded member has an upper surface fixed to the lower surface of the flat plate portion and a lower surface fixed to the upper surface of the bottom plate portion. 6. The upper structural portion has an opposing piece erected upward from a tip end of the extension piece and arranged to face the standing wall portion of the base portion. Furniture with a top plate described in .

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