JPH07255539A - Writing bureau - Google Patents

Abstract

PURPOSE:To enable the drawers of a side drawer body to be used easily regardless of the position of a revolving top by operating the revolving top and the drawer body in conjunction with each other by means of an interlocking mechanism, forcing the drawer body to project forward following the downward turning movement of the revolving top and to be drawn into a main body. following the upward turning movement of the revolving top. CONSTITUTION:Below a revolving top 2 which is installed in such a way as to be vertically rotatable relatively to a main body 1, a drawer body 3 provided with both a top support 5 and a side drawer portion 6 having a plurality of drawers 7 is installed in such a way as to be longitudinally movable with respect to the main body 1. The revolving top 2 and the drawer body 3 are operated in conjunction with each other by an interlocking mechanism 3, so that the downward turning motion of the revolving top 2 forces the drawer body 3 to project forward, and that the upward turning motion of the revolving top 2 forces the drawer body 3 to be drawn into the main body 1. Therefore, even if the revolving top 2 is released during motion, its impact on the top support 5 can be reduced and the drawer 3 can be smoothly guided during movement.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting bureau in which a rotating top plate is provided on a main body so as to be vertically rotatable, and more specifically, a sleeve drawer appears in and out of the main body in conjunction with the rotating top plate. About the writing bureau.

[0002]

2. Description of the Related Art Heretofore, as a lighting bureau of this type, a rotating top plate is attached to the front end of a fixed top plate fixed in the middle rear part of the main body so as to be vertically rotatable, and a front and rear part is provided below the rotating top plate. The upper drawer body is movably arranged, and the rotating top plate and the frame body of the upper drawer body are linked by a link mechanism, and the upper drawer body moves forward as the rotating top board moves downward. In general, the rotary top plate is projected and mounted, and the upper drawer is housed in the main body as the rotary top plate rotates upward. Further, in any state, the drawer of the upper drawer body can be drawn to the frame body.

Further, as disclosed in Japanese Utility Model Publication No. 58-25861, a structure in which an upper drawer and a lighting device arranged above are interlocked with each other in the front-rear direction in accordance with a vertical movement of a rotating top plate. Lighting Bureau is also provided. Further, in the writing bureau described in this publication, a sleeve drawer body fixed to the main body is provided below the upper drawer body, but when the rotating top board is used downward as a top board. Since the rotating top plate largely projects forward from the main body, it is inconvenient to use the drawer of the sleeve drawer.

Further, as disclosed in Japanese Utility Model Publication No. 52-46267, a rotating top plate is attached to the middle stage of the main body so as to be vertically rotatable, and a sleeve drawer is provided below the rotating top plate in the front-back direction. A drawer device for storage furniture that is movably provided is provided, but since this sleeve drawer body is separated from the main body, the sleeve drawer body is completely independent of the vertical rotation operation of the rotating top plate. Need to be moved back and forth.

In any of the writing bureaus or the storage furniture, when the rotating top plate is rotated downward by holding it, the rotating top plate unexpectedly separates from the hand and freely rotates. Not only may there be a loud noise when it hits the top plate support part such as the top plate, or the rotating part and the interlocking mechanism part may be destroyed. May be pinched. To solve this problem, the present applicant has already proposed a structure in which a rotary damper is provided in the rotating portion and the like, and a structure in which the upper drawer body is elastically biased rearward by a coil spring.

[0006]

Therefore, in view of the above-mentioned situation, the present invention is to solve the problem by arranging a single or a plurality of parts under a rotating top plate which is vertically rotatably attached to a main body. A lighting bureau having a structure in which a sleeve drawer body having a drawer is arranged, and it is easy to use the drawer of the sleeve drawer body in any state of the rotary top board, and the lower side of the rotary top board It provides a safe lighting bureau with braking against rotation.

[0007]

In order to solve the above-mentioned problems, the present invention has a top plate support portion and one or a plurality of drawers below a rotary top plate that is vertically rotatably attached to a main body. The drawer body having the sleeve drawer part is arranged so as to be movable in the front-back direction with respect to the main body, and the rotating top plate and the drawer body are interlocked by an interlocking mechanism, so that the rotating top plate is rotated downward. With this, the drawer body protrudes forward, and the drawer body is housed in the main body in accordance with the upward rotation operation of the rotating top plate to form a lighting bureau.

Further, guide rails are provided between both side plates of the main body and both sides of the drawer body for guiding the drawer body in the front-rear direction. In this case, two or more guide rails are provided between both side plates of the main body and one side of the drawer body, the top plate support portion and the other side of the drawer body and the upper and lower portions on the sleeve drawer portion side. It is a preferred embodiment to be provided.

Further, it is a more preferable embodiment that a single or a plurality of trochanters for contacting the floor surface are provided at the lower end of the sleeve drawer portion.

[0010]

The lighting bureau according to the present invention having the above-mentioned contents includes a rotating top plate attached to the main body so as to be vertically rotatable, and a top plate supporting portion arranged below the rotating top plate. Since the drawer body provided with the sleeve drawer portion having a plurality of drawers is interlocked by the interlocking mechanism, when the rotating top plate is rotated downward, the drawer body is projected forward in accordance with the rotation operation, It is of course possible to mount the rotating top plate in a substantially horizontal state on the top plate supporting portion and use it as a top plate, and of course, since the sleeve drawer portion also integrally protrudes forward from the main body, the sleeve drawer portion You can use the drawer without any problems. Also,
Since a heavy drawer having a sleeve drawer is interlocked with the rotating top through an interlocking mechanism, when the rotating top is rotated downward, the drawer is moved forward. Inertia and friction at the contact part with the main body or the floor cause braking, and even if the hand is removed from the rotating top during operation, the collision with the top supporting part is softened, and the rotating top and the top There is less risk of injury even if your fingers are caught between the plate support.

Further, by providing guide rails between both side plates of the main body and both sides of the drawer body, the drawer body can be moved in the front-rear direction without rattling. By providing two or more guide rails between the top plate support portion and the upper and lower sides of the drawer body on the other side of the drawer body, the forward-backward movement operation of the drawer body is stabilized.

By providing one or a plurality of trochanters that are grounded to the floor at the lower end of the sleeve drawer portion, even if the drawer of the drawer body accommodates articles and documents and the weight increases,
The drawer body can be moved back and forth smoothly, and the balance of the center of gravity of the entire body is stable even in a use state in which the rotating top plate is projected forward from the main body.

[0013]

The present invention will be described in more detail with reference to the embodiments shown in the accompanying drawings. FIG. 1 is a perspective view of a writing bureau A according to the present invention, FIG. 2 is a front view thereof, and FIG. 3 is a central longitudinal sectional view thereof, wherein reference numeral 1 is a main body of the writing bureau A, and 2 is an upper front surface of the main body 1. The rotating top plate 3 also serves as a door for opening and closing the door, 3 is a drawer provided below the rotating top plate 2, and 4 is an interlocking mechanism for interlocking the rotating top plate 2 and the drawer 3. .

The writing bureau A according to the present invention is provided with a sleeve drawer having a top plate supporting portion 5 and one or a plurality of drawers 7, ... The drawer body 3 including the portion 6 is arranged so as to be movable in the front-rear direction with respect to the main body 1, and the rotating top plate 2 and the drawer body 3 are interlocked by the interlocking mechanism 4 to form the rotating top plate 2 The outline is that the drawer body 3 projects forward with the downward rotation operation of the above, and the drawer body 3 is stored in the main body 1 with the upward rotation operation of the rotating top plate 2.

More specifically, in the main body 1, the fixed top plate 9 is horizontally installed in the inner part of the both side plates 8 and 8 in the middle part of the back side, and the shelf plate 10 is installed in the upper part of the shelf plate 10. It has a normal structure in which the lighting fixture 11 is arranged at the lower part of the front edge of the. The rotatable top plate 2 is attached to the front edge of the fixed top plate 9 so as to be vertically rotatable by a long hinge 12 or the like,
The inside of the main body 1 on the back side can be appropriately used as a storage space 13. Further, below the rotating top plate 4,
The drawer body 3 having the sleeve drawer portion 6 in which the top plate support portion 5 is placed and fixed on the upper end or the top plate support portion 5 is integrated on the upper end,
The guide rails 14 are arranged so as to be movable back and forth. The rotating top plate 2 and the drawer body 3 are interlocked with each other by an interlocking mechanism 4 having a link mechanism, and the drawer body 3 moves back and forth with respect to the main body 1 as the rotating top board 2 vertically rotates. Of.

Further, in this embodiment, the top plate supporting portion 5 is provided.
Is fixed to a lower surface of an upper plate 15 on which the rotating top plate 2 is mounted, and a horizontally elongated box-shaped frame body 16 having an open front surface. The upper stage drawers 17, 17 are provided in the frame body 16 so as to be drawn out. The sleeve drawer portion 6 is provided below one side of the frame body 16.
Incidentally, one side plate of the frame body 16 also shares the outer frame plate 18 of the sleeve drawer portion 6.

A pair of the guide rails 14 are provided at least between the inner surfaces of the both side plates 8 and 8 and the both side surfaces of the drawer body 3, and preferably on one side of the drawer body 3 and on the top plate supporting portion. Two or more guide rails 14, between the one side plate of the frame body 16 of No. 5 and the side plates 8, 8 on the other side of the drawer body 3 and the frame plate 18 of the sleeve drawer portion 6, respectively.
Is provided. Further, a single or a plurality of trochanters 19 such as casters and rollers are provided at the lower end of the sleeve drawer portion 6 so as to contact the floor surface. Here, the trochanter 19
Is a normal one that rotates in a fixed position without being displaced vertically,
Alternatively, it may be displaced upwards against the elastic biasing force and respond to the unevenness of the floor surface.

As shown in FIG. 4, on both sides of the lower portion of the rotating top plate 2, there are recessed portions 20 in a step-down state over a predetermined length.
A fixing member 21 is fixed to the recess 20, and the upper end of the connecting rod 22 is rotatably fixed to the fixing member 21 by a rotating shaft 23. on the other hand,
The lower end of the connecting rod 22 is rotatably fixed by a rotating shaft 25 to a fixture 24 fixed to the side surface of the upper plate 15 of the top plate supporting portion 5 constituting the drawer 3. As shown in FIG. 4, the shape of the connecting rod 22 is such that when the rotating top plate 2 is erected in a substantially vertical state, the vertical portion 22a along the side surface of the rotating top plate 2 and the upper plate 15 are formed. Horizontal part 22 along the side
b, and an inclined portion 22c provided between the vertical portion 22a and the horizontal portion 22b. Therefore, the interlocking mechanism 4 includes the connecting rod 22, the fixing metal fittings 21 and 24 for fixing the rotating top plate 2 and the top plate supporting portion 5, and the rotating shafts 23 and 25 rotatably connecting the both. It consists of and.

In the lighting bureau A according to the present invention constructed as described above, when the top plate is not used, the rotating top plate 2 stands substantially vertically to the front surface of the main body 1 as shown by the solid line in each drawing. It is stored in an upright state, and the front surface of the main body 1 is closed by the rotating top plate 2. In this state, when the rotating top plate 2 is tilted forward of the main body 1, the rotating top plate 2 rotates forward around the hinge 12 connected to the fixed top plate 9. Then, as the rotating top plate 2 rotates, the connecting rods 22 attached to both sides of the rotating top plate 2 rotate about a rotating shaft 23 with the rotating top plate 2, and as a result, the lower rotating shaft 25. Is pushed forward, and the upper plate 15 of the top plate supporting portion 5 to which the rotating shaft 25 is fixed
Are guided by the guide rails 14 on both sides, and the drawer body 3 composed of the top plate support portion 5 and the sleeve drawer portion 6 becomes the trochanter 1.
, ... Slidably move forward from the main body 1 and project while rolling on the floor surface. And, as shown by the imaginary line in each figure,
When the rotating top plate 2 is rotated until it becomes substantially horizontal, the main body 1
The lower surface of the rotating top plate 2 abuts on and is supported by a supporting projection 26 provided on the upper surface of the upper plate 15 of the top plate supporting portion 5 pulled out from the front side.

Here, the guide rails 14 used in this embodiment, as shown in FIG.
Each of the rail members 27 has a plurality of steel balls 30, ... Between an outer rail 28 and an inner rail 29, and the steel balls 30 ,. Is held by an intermediate member 31, and the inner rail 29 can be slid with respect to the outer rail 28. Both outer rails 28, 28 are fixed to a fixing plate 32, while both inner rails 29, 29 are also fixed. It is fixed to the fixed plate 33.
Then, the outer rails 28, 28 via the fixing plate 32.
Is attached to the side plate 8 of the main body 1 with screws, and the inner rails 29, 29 are attached to the frame body 16 or the frame plate 18 of the drawer body 3 with screws via the fixing plate 33. The guide rail 14 having such a structure has a high support strength in the vertical direction, and therefore, even the heavy drawer 3 can be smoothly moved and guided.

In the present embodiment, the drawer body 3 has a structure in which the top plate support portion 5 and the sleeve drawer portion 6 are integrally formed, but the top plate support portion 5 and the sleeve drawer portion 6 are illustrated. May be formed separately, and they may be fixed with a connecting bolt or the like. In particular, when the sleeve drawer portion 6 is not used, a conventional lighting bureau may be used.

[0022]

According to the writing bureau of the present invention as described above, the following effects can be obtained.

According to the first aspect of the present invention, when the rotating top plate is rotated downward, the drawer body in which the top plate support portion and the sleeve drawer portion are integrated is projected forward in accordance with the rotating operation, so that the sleeve drawer is formed. The drawer can be used without being disturbed by the rotating top plate, and when the rotating top plate is rotated downward, the inertia due to the forward movement of the drawer body and the friction at the contact part with the main body or the floor surface. Even if the hand is released from the rotating top during operation, the collision with the top support is softened, and even if a finger is caught between the rotating top and the top support. Less risk of injury.

According to the second aspect, by providing the guide rail between both side plates of the main body and both sides of the drawer body,
It is possible to move the drawer body in the front-back direction without rattling.

According to the third aspect, two or more guide rails are provided between one side of the drawer body and the top plate support portion and the other side of the drawer body and the upper and lower portions on the sleeve drawer portion side. As a result, the forward / backward movement operation of the drawer body is stabilized.

According to a fourth aspect of the present invention, one or a plurality of trochanters for grounding to the floor are provided at the lower end of the sleeve drawer portion, so that the drawer of the drawer body accommodates articles, documents and the like to increase the weight. In addition, the front-end portion of the rotating top plate can be smoothly moved forward and backward, and the overall center of gravity balance is stable even in the use state in which the rotating top plate is projected forward from the main body, and is substantially horizontal. There is no risk of the writing bureau falling forward even if you put your weight on it.

[Brief description of drawings]

FIG. 1 is a perspective view showing a typical embodiment of a writing bureau according to the present invention.

FIG. 2 is a front view of the same.

FIG. 3 is a central longitudinal sectional view of the same.

FIG. 4 is a side view of an essential part with a side plate omitted, showing an example of an interlocking mechanism of a rotating top plate and a drawer.

FIG. 5 is a partially enlarged cross-sectional view showing a mounting state of a guide rail.

[Explanation of symbols]

 A Lighting Bureau 1 Main body 2 Rotating top plate 3 Drawer 4 Interlocking mechanism 5 Top plate support part 6 Sleeve drawer part 7 Drawer 8 Side plate 9 Fixed top plate 10 Shelf plate 11 Lighting fixture 12 Hinge 13 Storage space 14 Guide rail 15 Top plate 16 Frame 17 Upper drawer 18 Frame plate 19 Roller 20 Recess 21 Fixing metal fitting 22 Connecting rod 23 Rotating shaft 24 Fixing metal fitting 25 Rotating shaft 26 Supporting protrusion 27 Rail member 28 Outer rail 29 Inner rail 30 Steel ball 31 Intermediate member 32 fixing plate 33 fixing plate

Claims (4)

[Claims] 1. A drawer body provided with a top plate support portion and a sleeve drawer portion having one or a plurality of drawers below a rotating top plate attached to the main body so as to be vertically rotatable with respect to the main body. The movable top is arranged so as to be movable in the front-rear direction, and the rotating top plate and the drawer body are linked by an interlocking mechanism. A writing bureau characterized in that the drawer body is housed in the main body in association with the upward rotation operation. 2. The writing bureau according to claim 1, wherein guide rails are provided between both side plates of the main body and both sides of the drawer body to guide the drawer body in a front-rear direction. 3. Two or more guides are provided between both side plates of the main body and one side of the drawer body and a top plate support portion and the other side of the drawer body and upper and lower portions on the sleeve drawer portion side. The lighting bureau according to claim 2, wherein a rail is provided. 4. The lighting bureau according to claim 1, 2 or 3, wherein one or a plurality of trochanters that come into contact with the floor are provided at the lower end of the sleeve drawer portion.