JP2021016487A - Desk with tilting top plate - Google Patents

Abstract

To stably hold a top plate by adjusting it to an optimal angle by a simple structure.SOLUTION: A desk tilts a top plate 2 connected to a desk body 1 with a tilting mechanism 3. The tilting mechanism 3 includes a folding link 30 and a threaded rod 34 connected to the folding link 30. The folding link 30 includes a first link 31 and a second link 32 with upper edges connected to the top plate 2 and lower edges connected to the desk body 1. The first link 31 includes a first upper link 31A and a first lower link 31B connected by a first tilting shaft 31C having a female screw hole 31d where the threaded rod 34 is threaded therein. The second link 32 includes a second upper link 32A and a second lower link 32C connected by a second tilting shaft 32C, and has a passage space 32d for guiding the threaded rod 34. The desk 100 rotates the threaded rod 34, and the first tilting shaft 31C moves in an axial direction and stretches the first link 31 to tilt the top plate 2, and thereby makes the tilting threaded rod 34 pass to the passage space 32d.SELECTED DRAWING: Figure 3

Description

The present invention relates to a desk in which the top plate can be tilted.

A desk with a tilting top plate can be conveniently used by adjusting the top plate to the optimum tilt angle. This is because by tilting the top plate, characters and figures such as books placed in the back of the top plate can be placed close to the eyes. A desk in which the top plate can be tilted to adjust the tilt angle of the top plate has been developed (see Patent Document 1).

Japanese Unexamined Patent Publication No. 2013-514

The desk on which the top plate tilts described in Patent Document 1 was previously developed by the present inventor, and the desk on which the top plate tilts is screwed into a screw rod provided under the top plate and a screw rod. The top plate is tilted with the tilting arm that connects the nut in the middle. The tilting arm has a roller connected to the upper end and the lower end is connected to the bottom plate of the drawer so that it can be tilted. Further, the tilting arm is provided with a nut in the middle, and the nut is screwed into the screw rod. The screw rod is connected so that the tilting arm can be tilted by rotating the screw rod so that the position shifted inward from the tip can be tilted with respect to the bottom plate of the drawer. In a desk where the top plate tilts, when the screw rod is rotated by the crank handle, the nut moves in the axial direction of the screw rod to tilt the tilt arm. The tilting arm that tilts pushes up the top plate while rolling the roller at the upper end to the lower surface of the top plate to tilt the top plate.

A desk with a tilting top plate of this structure has a feature that the top plate can be adjusted to the optimum angle while adjusting the angle of the top plate steplessly because the top plate is tilted by rotating the screw rod. However, since the desk with this structure in which the top plate tilts has a structure in which the top plate is pushed up while supporting the load of the top plate with rollers, the top plate may rattle or the top plate may rattle when the top plate is tilted. There was a drawback that the board could not be held in a stable posture. Further, since the roller connected to the upper end of the tilting arm pushes up and tilts the top plate while rolling along the lower surface of the top plate, it is smooth depending on the surface condition of the lower surface of the top plate and the surface condition of the roller. There was also a drawback that the top plate could not be tilted.

The present invention has been developed for the purpose of eliminating the above drawbacks, and one of the objects of the present invention is that the top plate can be smoothly adjusted to an optimum angle and the top plate is tilted to a predetermined tilt angle. It is an object of the present invention to provide a desk in which the top plate tilts so that the plate can be held stably and can be used safely and well.

The desk on which the top plate tilts according to an aspect of the present invention is connected to the desk body, the top plate whose front edge is tiltably connected to the desk body via a hinge, and the top plate and the desk body. It is a desk equipped with a tilting mechanism that tilts the top plate. The tilting mechanism includes a folding link whose upper end is connected to the top plate and whose lower end is connected to the desk body, and a screw rod which is connected to the folding link. The foldable link has a first link in which the upper end is tiltably connected to the top plate and the lower end is tiltably connected to the desk body, and the upper end is tiltably connected to the top plate and the lower end is tiltable. It consists of a second link connected to the desk body. The first link comprises a first upper link and a first lower link that are foldably connected in a vertical plane including the central axis of the threaded rod via a first tilt axis, the first tilt. The shaft has a female screw hole formed by screwing a male screw portion provided on the screw rod while connecting the first upper link and the first lower link so as to be tiltable in a vertical plane including the screw rod. ing. Further, the second link includes a second upper link and a second lower link that are foldably connected in a vertical plane including the central axis of the screw rod via the second tilt axis, and It has a passage space that guides the screw rod and moves it in the vertical direction. In a desk where the top plate tilts, the screw rod is rotated, the first tilt shaft moves in the axial direction of the screw rod, and the first tilt shaft that moves in the axial direction expands and contracts the first link in the vertical direction. Then, the top plate is tilted, and the first tilting axis is moved up and down so that the tilting screw rod passes through the passing space.

In the above desk where the top plate tilts, the top plate and the desk body can be connected by a folding link, and while the top plate is stably supported, the screw rod can be rotated to smoothly adjust the top plate to the optimum angle. .. In addition, the top plate tilted to a predetermined tilt angle is folded and the link is stably held, so that it can be used safely and satisfactorily.

It is a perspective view of the desk which concerns on one Embodiment of this invention. FIG. 2 is a sectional view taken along line II-II of the desk shown in FIG. It is sectional drawing which shows the state which the top plate of the desk shown in FIG. 2 is inclined. FIG. 2 is a sectional view taken along line IV-IV of the desk shown in FIG. It is an enlarged cross-sectional view which shows the tilting mechanism of the desk shown in FIG. FIG. 5 is an enlarged cross-sectional view showing a state in which the top plate is tilted by the tilting mechanism shown in FIG. It is an enlarged sectional view which shows the modification of the tilting mechanism. FIG. 5 is an enlarged cross-sectional view showing a state in which the top plate is tilted by the tilting mechanism shown in FIG. 7. It is a partially enlarged sectional view which shows an example of the use state of a stopper member. It is a partially enlarged sectional view which shows another example of the use state of a stopper member. It is a partially enlarged perspective view which shows a stopper member and a fitting groove. It is a perspective view of the desk which concerns on other embodiment.

Hereinafter, the present invention will be described in detail with reference to the drawings. In the following description, terms indicating a specific direction or position (for example, "upper", "lower", and other terms including those terms) are used as necessary, but the use of these terms is used. This is for facilitating the understanding of the invention with reference to the drawings, and the meaning of these terms does not limit the technical scope of the present invention. Further, the parts having the same reference numerals appearing in a plurality of drawings indicate the same or equivalent parts or members.
Further, the embodiments shown below show specific examples of the technical idea of the present invention, and do not limit the present invention to the following. In addition, the dimensions, materials, shapes, relative arrangements, etc. of the components described below are not intended to limit the scope of the present invention to the specific description, but are exemplified. It was intended. Further, the contents described in one embodiment and the embodiment can be applied to other embodiments and the embodiments. In addition, the size and positional relationship of the members shown in the drawings may be exaggerated in order to clarify the explanation.

The desk on which the top plate tilts according to the first embodiment of the present invention includes a desk body, a top plate in which the front edge portion is tiltably connected to the desk body via a hinge, and the top plate and the desk body. It is provided with a tilting mechanism that tilts the top plate by being connected to. The tilting mechanism includes a folding link whose upper end is connected to the top plate and whose lower end is connected to the desk body, and a screw rod which is connected to the folding link. The foldable link has a first link in which the upper end is tiltably connected to the top plate and the lower end is tiltably connected to the desk body, and the upper end is tiltably connected to the top plate and the lower end is tiltable. It consists of a second link connected to the desk body. The first link comprises a first upper link and a first lower link that are foldably connected in a vertical plane including the central axis of the threaded rod via a first tilting axis. The tilting shaft connects the first upper link and the first lower link so as to be tiltable in a vertical plane including the screw rod, and has a female screw hole into which the male screw portion provided on the screw rod is screwed. ing. Further, the second link includes a second upper link and a second lower link that are foldably connected in a vertical plane including the central axis of the screw rod via the second tilt axis, and It has a passage space that guides the screw rod and moves it in the vertical direction. In a desk where the top plate tilts, the screw rod is rotated, the first tilt shaft moves in the axial direction of the screw rod, and the first tilt shaft that moves in the axial direction expands and contracts the first link in the vertical direction. Then, the top plate is tilted, and the first tilting axis is moved up and down so that the tilting screw rod passes through the passing space.

In the desk where the top plate is tilted, the screw rod can be rotated to smoothly adjust the top plate to the optimum angle, and the top plate tilted to the predetermined tilt angle can be stably held, safely and safely. It has the feature that it can be used well. In particular, in the above desks, the upper end of the folding link that expands and contracts up and down with a rotating screw rod is tiltably connected to the top plate, and the lower end is tiltably connected to the desk body, and this folding link is connected via the tilting shaft. It is composed of a first link and a second link which are composed of an upper link and a lower link which are foldably connected in a vertical plane including the central axis of the screw rod, and further, a first link. A female screw hole is provided on the tilting shaft of the screw rod to screw in the male screw part of the screw rod, and the second link provides a passage space for the screw rod that moves up and down without being connected to the screw rod. The second link is rotated so that the tilt axis of the first link moves in the axial direction, the first link expands and contracts up and down to tilt the top plate, and the top plate tilts and tilts itself. Since it is moved up and down in the passage space of the link, the top plate can be tilted smoothly by rotating the screw rod. Further, the top plate tilted at a predetermined angle is connected to the desk body by both the first link and the second link, and is stably held in a fixed position in the tilted posture.

In the above desks, the top plate and the desk body are connected by the first link and the second link to stably support the top plate, but the screw rod is inserted into the female screw hole of the first tilting shaft. It is screwed in and connected only to the first link, not to the second link, and the second link is provided with a passage space to guide up and down, and the tilting screw rod is moved up and down in the passage space. Since it is in a movable state, the screw rod can be rotated smoothly, and the top plate can be tilted quickly and lightly.

The desk in which the top plate tilts according to the second embodiment of the present invention has a through hole in which a screw rod is connected to the desk body via a tiltable bearing, and the bearing inserts the screw rod rotatably. It is a metal cylinder. The above desk has the feature that the user can rotate the screw rod smoothly while connecting the screw rod to the desk body with an extremely simple structure.

In the desk in which the top plate tilts according to the third embodiment of the present invention, the bearing connecting the screw rod to the desk body is fixed to the desk body via a support base. The above desk has a feature that the screw rods are arranged in a nearly horizontal posture while the top plate is tilted, and the screw rods can be rotated lightly and smoothly. This is because the tilt angle of the screw rod can be reduced while the top plate is tilted in the vertical direction.

The desk on which the top plate tilts according to the fourth embodiment of the present invention has a pair of parallel plates in which the second upper link and the second lower link are arranged in a parallel posture with each other. , The second tilting shaft separately connects the pair of the parallel plates to each other, and a passage space is provided between the parallel plates. In the above desk, the screw rod and the second link are placed in the same vertical plane by arranging the screw rod that tilts itself while the top plate is tilted between the pair of parallel plates of the second link. The first link and the second link can be expanded and contracted up and down along the screw rod. That is, the top plate can be smoothly tilted while maintaining the posture of the first link and the second link by using the screw rod as a guide.

In the desk in which the top plate tilts according to the fifth embodiment of the present invention, the folding link constitutes a pantograph mechanism by the first link and the second link. The above desk can tilt the top plate in a stable posture and more smoothly. This is because the first link and the second link are connected to form a folding link as a pantograph mechanism. By constructing the folding link in a pantograph, the second link can hold the posture of the first link. The first link tilts the top plate by expanding and contracting in the vertical direction with a screw rod while supporting the top plate from below. By holding the posture of the first link by the second link, it is possible to prevent rattling of the first link and smoothly expand and contract the first link. Therefore, the top plate can be tilted smoothly and easily.

In the desk in which the top plate tilts according to the sixth embodiment of the present invention, the desk body is provided with a drawer that is pulled out below the top plate in the front-rear direction, and the drawer has a tilting space in the lower central portion of the top plate. The left and right split drawers are divided and arranged on both sides of the tilting space, and the tilting mechanism is arranged in the tilting space without contacting the drawers. Since the above desk is arranged in the tilting space provided between the left and right divided drawers, the tilting mechanism can be arranged in a space-saving manner by effectively utilizing the space in the lower center portion of the top plate. Further, since the tilting mechanism for tilting the top plate can be arranged in the lower center of the top plate, the balance in the width direction of the top plate is stable, and the top plate can be tilted smoothly.

The desk in which the top plate tilts according to the seventh embodiment of the present invention includes a bottom plate in which the desk body is arranged in a horizontal position below the drawer, and the lower end of the folding link can tilt freely to the upper surface of the bottom plate. It is connected and the screw rod is tiltably connected to the bottom plate in a vertical plane. Since the tilting mechanism can be arranged on the bottom plate of the above desk in a horizontal posture, the tilting mechanism can be securely fixed to the desk body in a stable posture.

In the desk in which the top plate tilts according to the eighth embodiment of the present invention, the tip portion of the screw rod includes a handle connecting portion for connecting the crank handle, and the screw rod has a crank handle connected to the handle connecting portion. Is rotating. When adjusting the tilt angle of the top plate, the above desk connects the crank handle to the screw rod to operate the tilt mechanism, and after adjusting the top plate to the optimum angle, remove the crank handle from the screw rod. it can. Therefore, when the tilting mechanism is not operated, the crank handle can be placed in another place so as not to get in the way.

The desk on which the top plate tilts according to the ninth embodiment of the present invention is composed of a plurality of top plates whose top plates are divided in the left-right direction, and the upper end of a folding link is attached to one of the divided top plates. These top plates are connected and tilted by a tilting mechanism. In the above desk, the top plate is divided into a plurality of top plates, and one of the divided top plates is connected to the folding link and tilted by the tilting mechanism, so that the desk is divided without tilting the entire top plate. Only one of the top plates can be tilted for convenient use.

The desk on which the top plate tilts according to the tenth embodiment of the present invention is provided with side covers in which the top plate tilted by the tilting mechanism extends downward along both side edges, and the top plate is tilted. The side covers block both sides of the gap between the desk and the desk. In the above desk, both sides of the gap formed between the top plate in the tilted posture and the desk body are closed by the side covers extending downward along the both side edges of the top plate tilted by the tilting mechanism. In the state where the top plate is tilted, it is possible to use it safely and with peace of mind by surely preventing fingers from being caught in the gap created between the desk and the desk body and articles being caught in this gap.

In the desk 100 shown in FIGS. 1 to 4, the top plate 2 is connected to the desk body 1 so as to be tiltable. The front edge of the top plate 2 is connected to the desk body 1 via a hinge 5 so that the rear portion can be raised and tilted. Further, the desk 100 is arranged below the top plate 2 and includes a tilting mechanism 3 for tilting the top plate 2.

(Desk body)
The desk body 1 supports the top plate 2 from below, and arranges the top plate 2 at a predetermined height. The desk body 1 shown in the figure includes left and right support legs 11 arranged at both side ends of the top plate 2, and vertical plates 12 located at the rear of the top plate 2 and arranged in a vertical posture. It has. Both ends of the vertical plate 12 are fixed to the left and right support legs 11. The support legs 11 shown in the figure are plate materials along both side edges of the top plate 2, and are arranged in parallel with each other in a vertical posture. The desk body 1 has a vertical plate 12 fixed to the back surface of a pair of support legs 11. The desk body 1 shown in the figure is provided with a vertical plate 12 in the region from the upper end of the support leg 11 to the upper and lower intermediate portions, the lower portion on the back surface side of the support leg 11 is opened, and the lower end portion is connected by the connecting bar 15. It is connected. The desk body 1 can be made lightweight with a neat design on the back side. However, the vertical plate can be arranged over the entire surface from the upper end to the lower end of the support leg.

In the desk body 1 shown in FIGS. 2 to 4, the upper ends of the support legs 11 on both sides are connected by a connecting plate 13 in a horizontal posture. In the desk body 1 shown in the figure, the front end portion of the upper end portion of the support leg 11 is connected by the connecting plate 13, the upper surface of the desk body 1 other than the portion blocked by the connecting plate 13 is opened, and the desk body 1 is tilted to expand and contract vertically. It is an opening through which the mechanism 3 passes.

Further, the desk body 1 has a drawer 6 arranged under the connecting plate 13 and a bottom plate 14 in a horizontal posture on the lower surface of the drawer 6. Both ends of the bottom plate 14 are fixed to the inside of the support legs 11 on both sides, and the bottom plate 14 supports the drawer 6 from below. Further, the desk body 1 shown in FIGS. 1 and 4 is located between the connecting plate 13 and the bottom plate 14 and is located between the left and right sides, and a pair of partition walls 16 extending in the front-rear direction are fixed in parallel. The pair of partition walls 16 are fixed to the connecting plate 13 and the bottom plate 14 in a vertical posture so as to be parallel to the support legs 11 on both sides. Further, the desk body 1 shown in the figure extends in the front-rear direction inside the plate-shaped support legs 11 in order to securely fix both ends of the connecting plate 13 and the bottom plate 14 to the fixed positions of the support legs 11 on both sides. The fixing plate 17 is fixed. As shown in FIG. 4, the desk body 1 has a connecting plate 13, a bottom plate 14, a partition wall 16, and a fixing plate 17 forming an insertion frame having a rectangular shape in a front view, and is formed along the inner surface of the insertion frame. , A drawer space 18 for storing the drawer 6 is provided.

In the drawer space 18, as shown in FIGS. 1 and 4, the guide rail 21 is fixed in a horizontal position on the facing surfaces of the fixing plates 17 and the partition wall 16 on both sides so that the drawer 6 can be pulled out in the front-rear direction. There is. The drawer 6 is provided with slide rails 22 on both side surfaces, and guides the slide rail 22 to the guide rail 21 so that the drawer 6 can slide back and forth. The desk body 1 guides the slide rails 22 provided on both side surfaces of the drawer 6 to the guide rails 21 so that the drawer 6 can be freely pulled out back and forth and stored in the drawer space 18.

Further, the desk body 1 is a lower central portion of the top plate 2, and a tilting space 19 for arranging the tilting mechanism 3 is provided between the pair of partition walls 16. That is, a tilting space 19 for arranging the tilting mechanism 3 is provided between the drawer spaces 18 for accommodating the left and right drawers 6.

(Top board)
The top plate 2 is a plate material having a rectangular outer shape, and the lower surface of the front edge portion is connected to the upper surface of the desk body 1 via a hinge 5. The top plate 2 of FIGS. 1 to 4 is a rectangular plate material having a width that slightly projects both side edges from the outer surfaces of the support legs 11 on both sides and a front-rear width that slightly protrudes from the front-rear edges of the support legs 11. It is said. As shown in FIGS. 2 and 3, the top plate 2 is connected to the front edge of the connecting plate 13 arranged in front of the desk body 1 via a hinge 5. The desk 100 can tilt the top plate 2 in a vertical plane by moving the rear portion of the top plate 2 in the vertical direction about the rotation axis of the hinge 5 fixed to the front edge of the upper surface of the desk body 1. It is said. The top plate 2 is connected to the desk body 1 so as to change from the horizontal posture shown in FIG. 2 to the inclined posture shown in FIG. The desk 100 shown in the figure is provided with a plurality of hinges 5 on the left and right sides, and the front edge portion of the top plate 2 is connected to the desk body 1 via these hinges 5, and the top plate 2 is connected to the desk body 1. It is connected so that it can be tilted freely.

(Tilt mechanism)
The tilting mechanism 3 is a mechanism that is arranged in the tilting space 19 in the lower central portion of the top plate 2 and tilts the top plate 2 so that it can be adjusted steplessly. The tilting mechanism 3 of the desk 100 shown in FIGS. 2 and 3 is shown in FIGS. 5 and 6. The tilting mechanism 3 shown in these figures includes a folding link 30 whose upper end is connected to the top plate 2 and whose lower end is connected to the desk body 1, and a screw rod 34 which is connected to the folding link 30. The tilting mechanism 3 tilts the top plate 2 by expanding and contracting the folding link 30 up and down with a rotating screw rod 34.

(Folding link)
The foldable link 30 is a pair of first and second links 31 and 32B including upper links 31A and 32A and lower links 31B and 32B which are foldably connected in a vertical plane via tilting shafts 31C and 32C. It is composed of a link 32. The upper end of each of the first link 31 and the second link 32 is tiltably connected to the top plate 2 and the lower end is tiltably connected to the desk body 1. The folding link 30 shown in FIGS. 5 and 6 has a first link 31 connected to the screw rod 34 and a second link 32d having a passage space 32d through which the screw rod 34 is passed without being connected to the screw rod 34. The top plate 2 is tilted by expanding and contracting the first link 31 up and down with a rotating screw rod 34.

The first link 31 is foldably connected to the first upper link 31A and the first lower link 31B in a vertical plane including the central axis of the screw rod 34 via the first tilting shaft 31C. It has. The first link 31 shown in FIGS. 5 and 6 is tiltably connected to the top plate 2 at the upper end of the first upper link 31A and to the desk body 1 at the lower end of the first lower link 31B. ing. Then, the lower end portion of the first upper link 31A and the upper end portion of the first lower link 31B are foldably connected in a vertical plane via the first tilting shaft 31C. The first upper link 31A and the first lower link 31B shown in the figure are formed in a U-shape in cross section by bending a metal plate. The U-shaped first upper link 31A and the first lower link 31B connect a pair of parallel plate portions 31a arranged in a parallel posture with each other and a parallel plate portion 31a between the parallel plate portions 31a. It is composed of an intermediate plate portion 31b. In the first upper link 31A and the first lower link 31B, both ends of the parallel plate portion 31a are made longer than the intermediate plate portion 31b so as to protrude from both edges of the intermediate plate portion 31b, and the first tilting portion is tilted to the protruding portion. A through hole 31c through which the shaft 31C and the connecting shaft 33a described later are inserted is provided. The first link 31 is provided on parallel plate portions 31a of the U-shaped first upper link 31A and the first lower link 31B by arranging and superimposing one end thereof in an opposite posture. The through holes 31c are aligned with each other, and the first tilting shaft 31C is inserted into these through holes 31c to be tiltably connected.

The first tilting shaft 31C connects the first upper link 31A and the first lower link 31B so as to be tiltable in a vertical plane including the screw rod 34, and the male screw portion 34a provided on the screw rod 34. Has a female screw hole 31d into which the screw is screwed. The first tilting shaft 31C shown in the figure is an elongated columnar shape, and is inserted into a through hole 31c of a first upper link 31A and a first lower link 31B so as to be rotatable. The first tilting shaft 31C is provided with a female screw hole 31d so as to penetrate in the lateral direction, that is, in the direction perpendicular to the shaft, and the male screw portion 34a of the screw rod 34 is screwed into the female screw hole 31d. Further, the female screw hole 31d is provided in the central portion of the elongated columnar first tilting shaft 31C. Therefore, the screw rod 34 screwed into the female screw hole 31d has parallel plate portions 31a located at the center of the connecting portion between the first upper link 31A and the first upper link 31B, that is, on both sides of the screw rod 34. Arranged to do.

The other second link 32 constituting the folding link 30 is a second upper link foldably connected in a vertical plane including the central axis of the screw rod 34 via the second tilting shaft 32C. It includes 32A and a second lower link 32B. The second link 32 shown in FIGS. 5 and 6 is tiltably connected to the top plate 2 at the upper end of the second upper link 32A and to the desk body 1 at the lower end of the second lower link 32B. ing. Then, the lower end of the second upper link 32A and the upper end of the second lower link 32B are foldably connected in a vertical plane via the second tilting shaft 32C. Similar to the first link 31, the second upper link 32A and the second lower link 32B shown in the figure have a U-shaped cross-sectional view obtained by bending a metal plate, and are arranged in a parallel posture with each other. It is composed of a plate portion 32a and an intermediate plate portion 32b connecting the parallel plate portions 32a between the parallel plate portions 32a. Both ends of the parallel plate portion 32a are made longer than the intermediate plate portion 32b so as to protrude from both edges of the intermediate plate portion 32b, and the second tilting shaft 32C and the connecting shaft 33a described later are inserted into the protruding portion. A hole 32c is provided. The second link 32 is provided on the parallel plate portions 32a of the U-shaped second upper link 32A and the second lower link 32B by arranging and superimposing one end thereof in an opposite position. The through holes 32c are arranged so as to coincide with each other. Then, the second upper link 32A and the second lower link 32B connect the pair of parallel plate portions 32a separately with the second tilting shaft 32C. As a result, a passage space 32d for passing the screw rod 34 is provided between the parallel plate portions 32a. The passing space 32d is a space provided to guide the screw rod 34, which will be described later, so that the tilting screw rod 34 can move in the vertical direction.

The first link 31 and the second link 32 are rotatably connected to the top plate 2 and the desk body 1 via the connecting member 33. The connecting member 33 shown in FIGS. 5 and 6 tiltably connects the first link 31 and the second link 32, and connects the connected first link 31 and the second link 32 to the top plate. 2 and the desk body 1 are connected to each other so as to be tiltable. With this connection structure, the first link 31 and the second link 32 form a folding link 30 of the pantograph mechanism.

In the connecting member 33 shown in the figure, the first connecting member 33A that connects the first and second upper links 31A and 32A to the top plate 2 and the first and second lower links 31B and 32B are attached to the desk body 1. It is composed of a second connecting member 33B to be connected. The first connecting member 33A is arranged and fixed at a predetermined position on the lower surface of the top plate 2, and the second connecting member 33B is arranged and fixed on the upper surface of the bottom plate 14 of the desk body 1. The connecting member 33 has a connecting shaft 33a, a fixing plate portion fixed to the top plate 2 and the desk body 1, and a pair of support pieces bent at right angles from both side ends of the fixing plate portion. The support piece is provided with a through hole through which the connecting shaft 33a is inserted. The first and second upper links 31A and 32A are arranged inside the pair of support pieces, and are provided in the through holes 31c and 32c provided in the parallel plate portions 31a and 32a of the respective links 31A and 32A and in the support piece. The connecting shafts 33a are inserted so that the through holes are matched, and the upper links 31A and 32A and the support piece are connected to each other. As a result, the first and second upper links 31A and 32A are tiltably connected to the top plate 2 via the first connecting member 33A. Similarly, the first and second lower links 31B and 32B are also tiltably connected to the desk body 1 via the second connecting member 33B.

(Screw rod)
The screw rod 34 rotates to move the first tilting shaft in the axial direction of the screw rod, whereby the folding link 30 is expanded and contracted in the vertical direction to tilt the top plate 2. The screw rod 34 is in a posture of extending in the front-rear direction of the top plate 2, and the tip portion is arranged at the front portion of the desk body 1 and is connected to the desk body 1 so as to be rotatable and tiltable in a vertical plane. Has been done. The screw rod 34 shown in FIGS. 5 and 6 can rotate and tilt, but is connected to the desk body 1 via a bearing 35 so as not to move back and forth. The bearing 35 is rotatably connected to the desk body 1, and the screw rod 34 is rotatably arranged. The bearing 35 shown in the figure is a metal cylinder having a through hole 35a into which the screw rod 34 can be rotatably inserted. The bearing 35 is fixed to the desk body so as to be tiltable via the support base 36. The support base 36 includes a fixing plate portion 36a fixed to the desk body 1 and a support arm 36b that is bent at a right angle from both sides of the fixing plate portion 36a and extends upward. In the support base 36 shown in the figure, a fixing plate portion 36a is arranged on the front portion of the desk body 1 and on the upper surface of the bottom plate 14, and is fixed by a set screw. The bearing 35 is arranged inside the pair of support arms 36b, and is tiltably connected to the support arms 36b by a tilt pin. The screw rod 34 shown in the figure is supported via a bearing 35 that is tiltably connected to the support base 36 so that it can rotate but does not move in the axial direction. With the above structure, the screw rod 34 can be rotated and tilted in the vertical plane, and is further connected to the desk body 1 so as not to move in the axial direction.

The screw rod 34 shown in the figure is arranged in a nearly horizontal posture via the support base 36 in the folded state of the folding link 30. That is, the support base 36 adjusts the posture of the screw rod 34 in the vertical plane. The support base 36 makes it possible to adjust the height of the connection position of the screw rod 34 to the desk body 1 by adjusting the length of the support arm 36b. The tilting mechanism 3 can tilt the top plate 2 smoothly and easily by bringing the screw rod 34 closer to the horizontal posture. The height of the connecting position of the screw rod 34 can be adjusted by providing a separate member. For example, a pedestal or the like having a predetermined height can be provided below the support base, the height of the entire support base can be adjusted, and the position of the screw rod connected to the desk body via the support base can be adjusted.

Further, the screw rod 34 has a handle connecting portion 34b for connecting the crank handle 37 to the tip thereof. The handle connecting portion 34b is connected so that the crank handle 37 can be attached and detached. The crank handle 37 is connected to the screw rod 34 so as not to rotate. The crank handle 37 shown in FIG. 1 has a tubular shape having a polygonal columnar tip and an internal polygonal columnar shape into which the handle connecting portion 34b of the screw rod 34 can be inserted without rotating the tip of the polygonal columnar shape. It is said. The tip of the polygonal columnar crank handle 37 is inserted into the tubular handle connecting portion 34b, and the screw rod 34 is rotated by the crank handle 37.

The tilting mechanism 3 composed of the screw rod 34 and the folding link 30 rotates the screw rod 34 to expand and contract the folding link 30 in the vertical direction to tilt the top plate 2. In the tilting mechanism 3 shown in FIGS. 5 and 6, the first link 31 constituting the folding link 30 is arranged on the rear side of the desk body 1, and the second link 32 is arranged on the front side. .. Then, the screw rod 34 is screwed into the female screw hole 31d of the first tilting shaft 31C to be connected to the first link 31, and is arranged so as to be inserted into the passage space 32d of the second link 32. In the above tilting mechanism 3, the screw rod 34 is rotated, the first tilting shaft 31C is moved in the axial direction of the screw rod 34 by the rotated screw rod 34, and the first tilting shaft 31C is moved in the axial direction. Therefore, the first link 31 is expanded and contracted up and down to tilt the top plate 2. Further, the second link 32 is arranged so as to guide the screw rod 34, which tilts as the first link 31 expands and contracts, to the passing space 32d without being connected to the screw rod 34. As a result, the tilting of the screw rod 34 is not hindered, and the first link 31 can be smoothly expanded and contracted. Further, by guiding the screw rod 34 connected to the first link 31 to the passing space 32d of the second link 32, the first link 31 and the second link 32 are folded in the same vertical plane. This makes it possible to expand and contract the first link 31 up and down in a stable posture while preventing rattling and lateral displacement of the first link 31. That is, by suppressing the relative positional deviation between the first link 31 and the second link 32 in the plan view with the screw rod 34, the first link 31 and the second link 32 are placed in the same vertical plane. Can be folded.

In the above tilting mechanism, the first link 31 constituting the folding link 30 is arranged on the rear side of the desk body 1, and the second link 32 is arranged on the front side of the desk body 1, but the first link The positions of 31 and the second link 32 may be exchanged. In the tilting mechanism 3 shown in FIGS. 7 and 8, the first link 31 is arranged on the front side of the desk body 1 and the second link 32 is arranged on the rear side to form a folding link 30 constituting the pantograph mechanism. .. In this tilting mechanism 3, the screw rod 34 is rotated in the reverse direction to move the first tilting shaft 31C rearward, the first link is expanded and extended upward, and the top plate is tilted. ..

Further, the tilting mechanism can also connect the second link to the connecting member via the first link. For example, the second link may be arranged so as to be located in the middle portion of the first link and connected in a tiltable manner. The upper end of the second upper link is vertically connected to the middle part of the first upper link, and the lower end of the second lower link is connected to the middle part of the first lower link in a tiltable manner to form a deformed pantograph. can do. In the case of this tilting mechanism, the second link can be shortened. If the second link is lengthened, the first link can be held in a more stable posture.

Furthermore, the tilting mechanism does not connect the first link and the second link constituting the folding link to each other, but can separately tiltably connect the desk body and the top plate. For example, the first link and the second link may be tiltably connected to the desk body and the top plate via separate connecting members.

The desk 100 provided with the above tilting mechanism can be adjusted to the optimum tilt angle for the user by the user operating the rotation of the screw rod to adjust the tilt angle of the top plate 2. In this way, the desk 100 capable of tilting the top plate 2 can be made easy to read by arranging characters and figures such as books placed in the back of the top plate 2 in a state close to the eyes.

Further, the desk 100 shown in FIGS. 1 to 3 is provided with an opening / closing lid 43 that rotatably closes the front surface of the tilting space 19 in which the tilting mechanism 3 is arranged. The lower end of the opening / closing lid 43 shown in the figure is openably / closably connected via a rotating shaft and a bearing. The openable / closable lid can be detachably connected via a magnet, or can be detachably connected via an uneven portion, for example. As described above, in the structure in which the front surface of the tilting space 19 is closed by the closing lid 43 so as to be openable and closable, the tilting mechanism 3 is operated with the closing lid 43 opened and the front surface of the tilting space 19 opened to open the closing lid 43. The appearance can be improved when the tilting space 19 is closed and the front surface is closed.

The front surface of the tilting space 19 does not necessarily have to be openable and closable. For example, as shown in FIG. 12, the front surface of the tilting space 19 may be closed with the fixing lid 44. The fixing lid 44 shown in FIG. 12 is provided with a through hole 44a having a predetermined size so that the tip end portion of the crank handle 37, that is, the connecting portion with the screw rod 34 can be inserted. The through hole 44a is an elongated hole that extends in the vertical direction so that the crank handle 37 can be connected to the screw rod 34 that is tilted by the tilt of the top plate 2. As a result, the crank handle 37 can be reliably connected to the handle connecting portion 34b of the screw rod 34. The front surface of the tilting space 19 may be left open without providing a closing mechanism such as a closing lid or a fixing lid.

(Drawer 6)
The drawer 6 is housed in a drawer space 18 formed between the partition wall 16 and the support legs 11 between the connecting plate 13 and the bottom plate 14, and is arranged so as to be freely drawn back and forth. The drawers 6 shown in FIGS. 1 and 4 are left and right divided drawers that are divided into left and right drawer spaces 18 provided on both sides of the tilting space 19 at the lower center of the top plate 2. The drawer 6 has a box shape with an upper opening, and has a bottom plate fixed to the bottom surfaces of the side plates on both sides, a front plate 6A fixed to the front edge, and a back plate fixed to the rear edge. The drawer 6 shown in FIG. 1 has both side surfaces, and the slide race 22 is fixed to the outer surfaces of the side plates on both sides in a horizontal posture, and the slide rail 22 is provided on the inner surface of the drawer space 18. It is guided to 21 so that it can be pulled out and stored freely back and forth. The left and right drawers 6 are inserted into the drawer space 18 so that the opening / closing lids 43 are arranged between the front plates 6A on both sides. In particular, by arranging the front plate 6A of the drawers 6 on both sides and the opening / closing lid 43 or the fixing lid 44 in the same plane, the appearance in the front view is improved.

(Side cover)
Further, the desk 100 shown in FIG. 1 includes a side cover 7 extending downward along both side edges of the top plate 2. The side cover 7 closes both sides of the gap 8 formed between the top plate 2 and the desk body 1 in a state where the top plate 2 is inclined with respect to the horizontal plane. The side cover 7 is a thin plate material having a gourd shape or a triangular shape in a side view. The side cover 7 of FIG. 1 has a cage shape in which the width gradually increases from the front to the rear, and is fixed in a posture perpendicular to the side edge portion of the top plate 2. The length of the side cover 7 in the front-rear direction is substantially equal to the front-rear width of the desk body 1 so that the gap 8 formed between the top plate 2 in the inclined posture and the desk body 1 can be reliably closed. However, the central angle of the Ougi shape is made larger than the maximum inclination angle of the top plate 2.

The side cover 7 is arranged without a gap with respect to the surface of the support legs 11 provided on the side surface of the desk body 1. The top plate 2 shown in FIGS. 1 and 4 is provided with a fixed ridge 45 for fixing the side cover 7 extending in the front-rear direction on the lower surface of both side edges, and a set screw is provided on the fixed ridge 45. The structure is such that the side cover 7 is fixed via the 46. The desk body 1 of FIG. 1 is provided with a storage recess for storing the fixed ridges 45 fixed to the lower surface of the top plate 2 at the upper end of the support legs 11. As a result, while the side cover 7 is arranged in a vertical posture on the lower surfaces of the both side edges of the top plate 2, when the top plate 2 is in a horizontal posture, the fixed ridge 45 is stored in the storage recess and the top The plate 2 can be held in a horizontal position.

As shown in FIG. 3, the desk 100 provided with the side cover 7 on the top plate 2 closes the gap 8 formed between the top plate 2 and the desk body 1 with the side cover 7 when the top plate 2 is tilted. To do. As a result, when the user tilts the top plate 2, it is possible to effectively prevent a finger from being accidentally caught in the gap 8 or an object from being caught in the gap 8 to guarantee safety.

(Stopper member, fitting groove)
As shown in FIG. 3, the above desk 100 can be conveniently used by placing a book or the like on the upper surface with the top plate 2 in an inclined posture. However, when using it in this state, if the tilt angle is increased, the books placed on it may slip off. In order to prevent this defect, the top plate 2 of FIGS. 2 and 3 has a stopper member 25 arranged on the upper surface of the front edge portion. The stopper member 25 is detachably connected to the fitting groove 27 provided in the top plate 2.

The stopper member 25 shown in FIG. 1 has an elongated flat plate shape, and a ridge 26 extending in the length direction is provided on one surface of the flat plate-shaped main body portion 25A to have a T-shaped cross section. In the stopper member 25 shown in the figure, both ends of the main body 25A are formed in an arc shape, and ridges 26 are provided over substantially the entire region excluding both ends of the main body 25A. The stopper member 25 shown in the figure is provided with ridges 26 at positions unevenly distributed on one side from the center in the width direction of the main body portion 25A in a cross-sectional view. However, the stopper member may be provided with a ridge at the center in the width direction of the main body.

The fitting groove 27 is provided on the upper surface of the front edge portion of the top plate 2 so as to extend in the left-right direction. The fitting groove 27 shown in FIG. 1 has an inner shape in a plan view that follows the outer shape of the stopper member 25 so that the stopper member 25 can be fitted in a desired posture. The fitting groove 27 shown in the figure has a thickness of the main body 25A so that the surface of the main body 25A and the upper surface of the top plate 2 can be arranged in the same plane while guiding the main body 25A of the stopper member 25. A groove bottom portion 27A having substantially the same depth is provided over substantially the entire fitting groove 27. Further, the fitting groove 27 is provided with a storage groove 28 for storing the ridge 26 of the stopper member 25 in the groove bottom portion 27A. The fitting groove 27 shown in the figure is provided with a storage groove 28 extending to the left and right at the center in the front-rear direction so that the protrusion 26 of the stopper member 25 can be stored. The fitting groove 27 in the figure is provided with a row of storage grooves 28 at positions unevenly distributed on the front side of the center line of the groove bottom portion 27A extending to the left and right.

Here, as shown in FIG. 9, the depth (d) of the storage groove 28 is made larger than the protrusion amount (t) of the ridge 26. In this way, by providing the storage groove 28 deeper than the protrusion amount of the protrusion 26 at the groove bottom of the fitting groove 27, small foreign matter that invades the fitting groove 27, for example, shavings of an eraser, etc. The stopper member 25 can be stored in a fixed position of the fitting groove 27 while guiding the ridge 26 to the fitting groove 28 even in the state of remaining inside.

The stopper member 25 is arranged in the same plane as the top plate 2 by changing the attachment / detachment posture guided to the fitting groove 27, and the height of protrusion from the upper surface of the top plate 2 can be changed. .. When the top plate 2 is used in the horizontal posture, the stopper member 25 guides the ridge 26 to the fitting groove 27 in a downward posture without projecting the ridge 26 from the top plate 2, and the ridge is used as a storage groove. Store. In this state, the stopper member 25 is arranged so that the planar surface of the main body 25A is flush with the upper surface of the top plate 2.

When the top plate 2 is tilted and used, the attachment / detachment posture for guiding the stopper member 25 to the fitting groove 27 is changed to change the protruding height protruding from the upper surface of the top plate 2. The stopper member 25 shown in FIG. 9 guides the main body 25A to the fitting groove 27 in an inverted T-shaped posture, that is, in a posture in which the ridge 26 faces upward. In this state, the stopper member 25 is stably held in a fixed position by guiding the main body 25A into the fitting groove 27 in a fitted state, and the protrusion 26 protruding upward from the main body 25A is formed. By protruding from the upper surface of the top plate 2, it functions as a stopper and prevents the article placed on the top plate 2 from slipping off.

Further, the stopper member can also be used in the posture shown in FIG. The stopper member shown in this figure is one side portion of the main body portion, and is in a state of guiding the first side portion 25a having a small protrusion amount from the ridge 26 to the storage groove 28, that is, the main body portion 25A is a top plate. It is arranged in a standing posture with respect to 2. The stopper member 25 arranged in the fitting groove 27 in this posture can increase the amount of protrusion from the upper surface of the top plate and more effectively prevent the article placed on the top plate 2 from slipping off. Further, the stopper member 25 is arranged in the fitting groove 27 in a state where the second side portion 25b, which is the other side portion of the main body portion 25A and has a large protrusion amount from the ridge 26, is guided to the storage groove 28. You can also do it.

Further, the top plate 2 shown in the figure is provided with steps at both ends of the groove bottom 27A of the fitting groove 27 extending to the left and right, and is provided with a step recess 27B one step lower than the groove bottom 27A. The stepped recess 27B in the figure has an internal shape along both ends of the stopper member 25, and is formed in a circular shape in a plan view. The step recess 27B is formed to have the same depth as the storage groove 28 or deeper than the storage groove 28, and by moving foreign matter that has entered the storage groove 28 in the storage groove 28 in the direction of both ends, it is temporarily formed. It is designed to be stored. Foreign matter that has entered the storage groove 28 can be easily removed by collecting it in the stepped recess 27B.

Further, the top plate 2 shown in FIG. 11 is provided with an insertion recess 29 in which a user can insert a fingertip continuously into the fitting groove 27 on the outside of one end (right end in the drawing) of the fitting groove 27. By providing the insertion recess 29 in the fitting groove 27 in this way, the user inserts a fingertip into the insertion recess 29 and inserts the stopper member 25 fitted into the fitting groove 27 without a gap into the fitting groove. It can be easily removed from 27.

The above desk has a structure in which the entire top plate can be tilted with respect to the desk body. However, as shown in FIG. 12, the desk of the present invention may have a structure in which the top plate is divided into a plurality of regions in the left-right direction so that only a specific region can be tilted.

In the desk 200 shown in FIG. 12, the top plate 2 is divided into three regions in the left-right direction. The top plate 2 divided into three is composed of a drive top plate 2A tilted by the tilting mechanism 3 and a fixed top plate 2B fixed to the desk body 1. In the desk 200 shown in the figure, the top plate 2 in the divided central region is used as the driving top plate 2A, and the top plates 2 on both sides of the driving top plate 2A are used as the fixed top plate 2B. The fixed top plate 2B shown in the figure is fixed to the support leg 11 and the connecting plate 13 of the desk body 1 and further to the vertical plate 12 via fixing hardware or the like, and is fixed to the desk body 1. On the other hand, the drive top plate 2A is tiltably connected to the desk body 1 via the hinge 5. In the drive top plate 2A shown in the figure, the lower surface of the front edge portion is connected to the front edge of the connecting plate 13 of the desk body 1 via a plurality of hinges 5. Further, the tilting mechanism 3 is connected to the drive top plate 2A. The drive top plate 2A shown in the figure connects the upper end of the folding link 30 to the lower surface side. With the above structure, the desk 200 shown in the figure allows only the drive top plate 2A connected to the folding link 30 to be tilted.

Further, the desk 200 shown in FIG. 12 is provided with the above-mentioned side cover 7 on the drive top plate 2A. That is, the side cover 7 is provided on the top plate 2 which is tilted by the tilting mechanism 3 and arranged in the tilted posture. The drive top plate 2A shown in the figure fixes the side cover 7 along the boundary edge with the adjacent fixed top plate 2B. The drive top plate 2A provided with the side cover 7 can close the gap 8 formed between the drive top plate 2A and the adjacent fixed top plate 2B with the side cover 7 in a state of being inclined with respect to the fixed top plate 2B. As a result, fingers can be pinched by the gap 8 formed between the inclined drive top plate 2A and the fixed top plate 2B, and articles can be prevented from falling through this gap 8 for safe and secure use. Can be done.

Further, the desk 200 shown in FIG. 12 is provided with a fitting groove 27 in which the above-mentioned stopper member 25 is arranged in the drive top plate 2A. The fitting groove 27 shown in the figure is provided on the upper surface of the front edge portion of the drive top plate 2A so as to extend in the left-right direction. Further, the stopper member 25 is formed to have the same length as the length of the fitting groove 27 provided in the drive top plate 2A in the left-right direction, and is detachably connected to the fitting groove 27.

In the desk 200 in which the above-mentioned top plate is divided into a plurality of parts, the divided top plate 2 in the central region is used as the driving top plate 2A. This can be used very conveniently because the central region, which is often used by being tilted, can be tilted and arranged in the tilted posture in the upper surface region of the top plate 2. Further, by dividing the top plate 2 into a plurality of pieces, both a tilting top plate and a fixed top plate can be provided. As a result, items that cannot be placed when the top plate 2 is tilted, for example, a small item such as a pen stand or a cup containing a beverage, is placed on the fixed top plate 2B, and only the drive top plate 2A is tilted. Because it can be used, it can be used more conveniently.

In the desk 200 shown in FIG. 12, the top plate 2 is divided into three in the left-right direction, but the number of divisions of the top plate is not limited, and the top plate 2 may be divided into two, four, or the like. Further, the top plate can be divided in the front-rear direction. For example, the central region of the top plate may be divided in the front-rear direction, and the top plate located at the front portion may be used as a drive top plate and arranged so as to be tiltable.

The present invention can be conveniently used as a desk that anyone, from children to the elderly, can easily and easily tilt the top plate to the optimum position in a short time.

100, 200 ... Desk 1 ... Desk body 2 ... Top plate 2A ... Drive top plate 2B ... Fixed top plate 3 ... Tilt mechanism 5 ... Hinge 6 ... Drawer 6A ... Front plate 7 ... Side cover 8 ... Gap 11 ... Support leg 12 ... Vertical plate 13 ... Connecting plate 14 ... Bottom plate 15 ... Connecting bar 16 ... Partition 17 ... Fixed plate 18 ... Drawer space 19 ... Tilt space 21 ... Guide rail 22 ... Slide rail 25 ... Stopper member 25A ... Main body 25a ... First side Part 25b ... Second side part 26 ... Convex 27 ... Fitting groove 27A ... Groove bottom 27B ... Step recess 28 ... Storage groove 29 ... Insertion recess 30 ... Folding link 31 ... First link 31A ... First upper link 31B ... First lower link 31a ... Parallel plate portion 31b ... Intermediate plate portion 31c ... Through hole 31C ... First tilting shaft 31d ... Female screw hole 32 ... Second link 32A ... Second upper link 32B ... Second Lower link 32a ... Parallel plate portion 32b ... Intermediate plate portion 32c ... Through hole 32C ... Second tilting shaft 32d ... Passing space 33 ... Connecting member 33A ... First connecting member 33B ... Second connecting member 33a ... Connecting shaft 34 ... Screw rod 34a ... Male screw portion 34b ... Handle connecting portion 35 ... Bearing 35a ... Through hole 36 ... Support base 36a ... Fixed plate portion 36b ... Support arm 37 ... Crank handle 43 ... Opening / closing lid 44 ... Fixed lid 44a ... Through hole 45 ... Fixed ridge 46 ... Set screw

Claims (10)

With the desk body
A top plate whose front edge is tiltably connected to the desk body via a hinge,
A tilting mechanism that is connected to the top plate and the desk body to tilt the top plate,
It is a desk that can tilt the top plate equipped with
The tilting mechanism
A folding link with the upper end connected to the top plate and the lower end connected to the desk body.
It is equipped with a screw rod connected to the folding link.
The folding link
A first link in which the upper end is tiltably connected to the top plate and the lower end is tiltably connected to the desk body.
It consists of a second link in which the upper end is slidably connected to the top plate and the lower end is slantably connected to the desk body.
The first link is
It is provided with a first upper link and a first lower link that are foldably connected in a vertical plane including the central axis of the screw rod via a first tilting shaft.
The first tilt axis is
In addition to connecting the first upper link and the first lower link so as to be tiltable in a vertical plane including the screw rod,
It has a female screw hole into which a male screw portion provided on the screw rod is screwed.
The second link is
It is provided with a second upper link and a second lower link that are foldably connected in a vertical plane including the central axis of the screw rod via a second tilt axis, and guides the screw rod. Has a passage space to move up and down,
The screw rod is rotated, and the first tilting shaft moves in the axial direction of the screw rod.
The first tilting axis that moves in the axial direction expands and contracts the first link in the vertical direction to tilt the top plate.
A desk on which the top plate tilts, characterized in that the screw rod that tilts by moving the first tilting axis up and down passes through the passing space. A desk on which the top plate according to claim 1 is tilted.
The screw rod
It is connected to the desk body via a tiltable bearing and
A desk on which the top plate tilts, characterized in that the bearing is a metal cylinder having a through hole formed by rotatably inserting a screw rod. A desk on which the top plate according to claim 1 or 2 is tilted.
A bearing formed by connecting the screw rod to the desk body
A desk on which the top plate tilts, which is fixed to the desk body via a support base. A desk on which the top plate according to any one of claims 1 to 3 is tilted.
The second upper link and the second lower link have a pair of parallel plates arranged in parallel with each other.
The second tilt axis separately connects the pair of parallel plates to each other.
A desk on which the top plate tilts, characterized in that a passage space is provided between the parallel plates. A desk on which the top plate according to any one of claims 1 to 4 is tilted.
The folding link
A desk on which the top plate tilts, characterized in that the first link and the second link constitute a pantograph mechanism. , A desk on which the top plate according to any one of claims 1 to 5 is tilted.
The desk body is provided with a drawer that is pulled out in the front-rear direction below the top plate.
The drawer is a left and right split drawer in which a tilting space is provided in the lower central portion of the top plate and is divided and arranged on both sides of the tilting space.
A desk on which the top plate tilts when the tilting mechanism is arranged in the tilting space without contacting the drawer. A desk on which the top plate according to claim 6 is tilted.
The desk body is provided with a bottom plate that is arranged horizontally below the drawer.
A desk on which the top plate tilts, wherein the lower end of the folding link is tiltably connected to the upper surface of the bottom plate, and the screw rod is tiltably connected to the bottom plate in a vertical plane. A desk on which the top plate according to any one of claims 1 to 7 is tilted.
The tip of the screw rod includes a handle connecting portion for connecting the crank handle.
A desk on which a top plate that rotates the screw rod tilts with a crank handle connected to the handle connecting portion. A desk on which the top plate according to any one of claims 1 to 8 is tilted.
The top plate is composed of a plurality of top plates divided in the left-right direction, and the upper end of the folding link is connected to one of the divided top plates to tilt the top plate by the tilting mechanism. A desk with a tilting top plate, which is characterized by being made of. A desk on which the top plate according to any one of claims 1 to 9 is tilted.
The top plate tilted by the tilting mechanism is provided with side covers extending downward along both side edges, and in a state where the top plate is tilted, both sides of a gap formed between the top plate and the desk body are described. A desk with a tilting top plate, which is characterized by being blocked by a side cover.

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