JP3345795B2 - Folding table with curtain - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a folding table in which a top plate is pivotally attached to the upper end of a leg rod, and the top plate is turned in accordance with use or non-use so that the top plate can be made substantially horizontal or vertical. The present invention also relates to a folding table with a curtain that moves the curtain in conjunction with the rotation of the top plate.

[0002]

2. Description of the Related Art Conventionally, both sides of the lower surface of a top plate are pivotally attached to the upper end of a leg with pivots pointing in the left-right direction, and stand in a horizontal state in contact with the upper surface of the pivot and at the rear of the leg. A link rod with the upper part of the curtain plate pivoted to the left and right sides on the rear lower surface of the top plate, with pivots pointing to the left and right, respectively, and the lower part of the curtain plate further pivoted at the front end to the leg rod. The top plate is pivotally attached to the rear end with a pivot pointing in the left and right direction.In conjunction with the rotation of the top plate, the curtain plate is separated from the rear of the leg when the top plate is in a horizontal state, and the legs are set when the top plate is standing. A folding cable with a curtain plate for moving it closer to the rear of the rod is disclosed and known in Japanese Utility Model Publication No. 56-54803.

[0003]

However, in the above-mentioned known folding table, the vertical plate of the curtain plate is attached to the left and right sides of the curtain plate. Because the lower part of the vertical plate and the rear end of the link rod were pivotally connected to each other to attach the curtain plate, the left and right vertical plate plates had to be provided separately from the curtain plate. In addition, since each of the curtain plate vertical rails is attached to the left and right sides of the curtain plate with screws or the like, there is a problem that it takes time to assemble.

Further, if the left and right widths of the top plate are increased according to the size of the table, a gap is created between the left and right curtain plates when the tables are arranged side by side, and is substantially equal to the left and right width of the top plate. It is necessary to arrange large-sized curtain plates of various sizes to be width, and it is troublesome to manage inventory in accordance with demand, which not only causes a cost increase, but also changes the width of the curtain plate when the left and right width of the curtain plate is changed. The mounting position of the vertical rails will also be changed, and the mounting work of the vertical rails according to the size of the curtain plate will be troublesome, and the horizontal width of the curtain plate will increase, making it easier for the curtain plate to flex, When bent, the link rod is deformed,
Not only the curtain, but also the rotation of the linked top plate was hindered.

[0005] The present invention aims to shorten the time required for assembling the curtain plate, reduce the cost, and easily cope with various sizes.
It is an object of the present invention to provide a folding table with a curtain plate that does not bend even when the width of the curtain plate becomes large.

[0006]

According to the present invention, the above-mentioned problem is solved as follows. (1) The left and right sides of the lower surface of the top plate are pivotally attached to the upper portions of the leg bars, and the top plate is placed in a horizontal use position above the leg bars.
In a folding table with a curtain plate, which is supported so as to be pivoted to a vertical folding position standing on the rear side of the leg bar, and further includes a curtain plate having an upper portion pivotally attached to a rear portion of a lower surface of the top plate. A synthetic resin intermediate member having a left and right width substantially equal to the inner dimensions of the left and right leg rods, and a synthetic resin left and right side member joined to the left and right ends of the intermediate member from the left and right sides. Formed at the joint between the intermediate member and the side member, and integrally formed with a protrusion formed with a left-right shaft hole, and the shaft hole is formed on the inner surface of the leg rod. At the rear end of the link rod, the front end of which is pivotally connected with the left and right pivots, and in conjunction with the rotation of the top plate, the curtain plate is separated behind the leg rod in the use position. In the folded position, the leg rod is approached.

(2) In the above item (1), the protrusion is
Provided on the side member.

(3) In the above item (1) or (2), the projection is a cylindrical portion provided on the intermediate member side.

(4) In any one of the above items (1) to (3), the intermediate member is formed into a hollow plate by extrusion molding, and the side member is formed by injection molding.

(5) In any one of the above items (1) to (4), a fitting groove extending over the entire length in the vertical direction is formed in the side member, and the leg rod fits in the fitting groove in the folded state. So that it fits.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention shown in FIGS.
In the folding table according to the embodiment, a bracket (4) for supporting a top plate (3) is pivotally supported on the top of a square tubular leg (2) erected at the rear of the left and right footrests (1). I have. At the rear of the bracket (4), the upper end of a curtain plate (6) is pivotally connected via a support member (5) by a pivot. The lower end of the curtain plate (6) is connected to a link rod (7). ) Is pivotally connected to one end by a pivot. The other end of the link rod (7) is pivotally connected to the leg rod (2). Reference numeral (8) denotes a support member (9) on the bracket (4).
It is a shelf board that is pivotally connected via.

In the use state shown in FIG. 1, the top plate (3)
The shelf plate (8) is in a horizontal position, and the curtain plate (6) is in a substantially vertical position, and hides the bottom of the table from the line of sight of a person. Press the operation button (10) to release the lock.
As shown in (2), the top plate (3) reaches a position close to vertical. This is a folded state.

As shown in FIG. 3, the curtain plate (6) is composed of an intermediate member (6a) having a length substantially equal to the inner dimensions of the left and right legs, and side members (6b) disposed on both left and right sides thereof. ). Intermediate member
(6a) is an extruded product of a synthetic resin material,
As shown in (1), several reinforcing ribs (11) are formed inside, and the cross section is formed in a hollow plate shape in which a plurality of rectangular spaces are arranged in a straight line. In this embodiment, the upper and lower ends of the front side (the inner side of the table) of the intermediate member (6a)
A cylindrical portion (12) for fitting a pivot pivotally connected to the support member (5) and the link rod (7) is formed continuously, and these also serve to reinforce the curtain plate (6a).

The side member (6b) is an injection-molded product of a synthetic resin material, and includes a left-right protruding portion (13) fitted into the inside of the intermediate member (6a), and a cylindrical member of the intermediate member (6a). The protrusion (14) having an axial hole aligned with the portion (12) and the fitting groove (1
5).

The cylindrical portion (12) on the upper part of the intermediate member (6a) and the protrusion (14) on the upper part of the side member (6b) have a pivot () for connecting to the above-mentioned supporting member (5). (Not shown) is inserted from the outside. In addition, the lower cylindrical portion (12) of the intermediate member (6a) and the lower protrusion (14) of the side member (6b) protrude inside one end of the link rod (7). The pivot (7a) formed integrally is inserted therethrough, and the protruding portion (13) of the side member (6b) is fitted inside the intermediate member (6a), and the side member (6b) is Element
(6a). The other end of the link rod (7)
An outward pivot (7b) formed integrally with it
It is pivoted inside (2).

With this configuration, the curtain plate (6) separates behind the leg (2) in the use position in conjunction with the rotation of the top plate (3), and moves in the folded position in the folded position. Close to 2). Particularly, in this embodiment, when folded, the fitting groove (15) formed in the side member (6b) of the curtain plate (6) fits in the rear part of the leg rod (2), so that it is shown in FIG. As described above, the front-back width from the top plate 3 in the folded state to the leg rod 2 can be minimized.

In the modification shown in FIG. 5, the intermediate member (6a) does not change, but the side member (6b) has no protrusion, and the link shaft (7c) has one end of the link rod (7). ) Protrudes only toward the intermediate member. Therefore, the link rod (7) is pivotally connected only by the tubular portion (12) of the intermediate member (6a).

In the modification shown in FIG. 6, the intermediate member (6a) does not have a tubular portion, and the link rod (7) is pivotally connected to the projection (14) of the side member (6b). Against. Further, a pivot is not integrally formed with the link rod (7), and the pivot is provided by a pin (16).

[0019]

According to the present invention, it is not necessary to manufacture the vertical plate for attaching the upper and lower pivots or the upper and lower pivot attaching pieces separately, and to attach them to the intermediate portion or the left and right portions. The time required for assembling the curtain plate can be reduced, and the cost of the curtain plate itself can be reduced.

Further, even if the left and right widths of the top plate are increased in accordance with the table size, an intermediate member or a side member which is divided and provided to have a left and right width substantially equal to the inner dimensions of the left and right legs. Any one of the left and right widths may be adjusted to each size, or the extruded material may be cut to an appropriate length for use each time, and furthermore, a link rod is provided at the joint between the intermediate member and the left and right side members. Since the projection having the shaft hole for pivotally connecting the pivot at the rear end is integrally formed, the positioning with the link rod rear end is easy.

According to the second aspect of the present invention, when the projection formed with the axial hole in the left-right direction is provided on the side member side, a complicated shape portion is concentratedly provided on the side portion. ,
The structure of the intermediate member can be simplified.

As in the third aspect of the present invention, when the protrusion having the left and right axial holes is continuously formed as a round hole on the intermediate member side, this has an effect of reinforcing the intermediate member. be able to.

According to a fourth aspect of the present invention, when the intermediate member is formed into a hollow plate shape by extrusion molding and the side member is formed by injection molding, the left and right leg rods are formed in accordance with the left and right width of the top plate. Even if the inner dimensions have to be changed, the left and right widths of the intermediate member can be easily and inexpensively changed. In addition, by making the cross section of the intermediate member a hollow plate shape, even when the width of the curtain plate is increased in the left-right width, the curtain plate does not bend, the link rod does not deform, and the interlock with the curtain plate is performed. It does not hinder the rotation of the top plate.

According to a fifth aspect of the present invention, when a fitting groove extending over the entire length in the vertical direction is formed in the side member so that the leg can be fitted into the fitting groove in the folded state, The distance from the rear surface to the front surface of the leg can be reduced, and the storage efficiency of the tail can be improved.

[Brief description of the drawings]

FIG. 1 is a side view showing a use state of an embodiment of the present invention.

FIG. 2 is a side view showing the folding table shown in FIG. 1 in a folded state.

FIG. 3 is a rear view of the folding table in the use state of FIG. 1;

FIG. 4 is a partially enlarged perspective view showing a curtain plate, a leg rod, and a link rod for pivotal connection to the curtain plate of the folding table shown in FIGS.

FIG. 5 is a partially enlarged perspective view similar to FIG. 4 of a modified example of the present invention.

FIG. 6 is a partially enlarged perspective view similar to FIG. 4 of another modification of the present invention.

[Explanation of symbols]

 (1) Leg stand (2) Leg rod (3) Top plate (4) Bracket (5) Support member (6) Curtain plate (6a) Intermediate member (6b) Side member (7) Link rod (7a) (7b (7c) Axis (8) Shelf (9) Support member (10) Operation button (11) Rib (12) Cylindrical part (13) Projection (14) Projection (15) Fitting groove (16) Pin

Continuation of the front page (56) References JP-A-5-68618 (JP, A) JP-A-8-336424 (JP, A) JP-A-7-322925 (JP, A) Jpn. , U) Japanese Utility Model Hei 3-58148 (JP, U) Japanese Utility Model Utility Model Sho 61-90439 (JP, U) Japanese Utility Model Utility Model 62-95629 (JP, U) Japanese Utility Model Utility Model Hei 4-46830 (JP, U) 56-54803 (JP, Y2) (58) Fields investigated (Int. Cl. ⁷ , DB name) A47B 1/00-41/06

Claims (5)

(57) [Claims] 1. A left and right side portion of a lower surface of a top plate is pivotally connected to an upper portion of a leg rod, and the top plate is raised upright at a horizontal use position above the leg rod and at a rear side of the leg rod. In a folding table with a curtain plate, which is supported so as to be pivoted to a vertical folding position and has a curtain plate having an upper part pivotally attached to a rear portion of a lower surface of the top plate, the curtain plate has inner dimensions of right and left legs. And an intermediate member made of a synthetic resin having substantially the same left and right widths, and formed into a left and right side member made of a synthetic resin joined to the left and right ends of the intermediate member from the left and right sides, and At the joint between the intermediate member and the side member, a projection formed with a left-right shaft hole is integrally formed, and the front end is formed with a left-right pivot on the inner surface of the leg rod. In the use position, the rear end of the pivoted link rod is pivoted, and in conjunction with the rotation of the top plate, the curtain plate is moved in the use position. Is spaced rearwardly of the rod, in the folded position, the folding curtain plate with is characterized in that so as to approach the Ashi杆 table. 2. The device according to claim 1, wherein the protrusion is provided on a side member.
Folding table with curtain plate as described. 3. The folding table with a curtain plate according to claim 1, wherein the projection is a tubular portion provided on the intermediate member side. 4. The folding table with a curtain plate according to claim 1, wherein the intermediate member is formed in a hollow plate shape by extrusion molding, and the side member is formed by injection molding. 5. The side member according to claim 1, wherein a fitting groove extending over the entire length in the vertical direction is formed, and a leg rod is fitted into the fitting groove in a folded state. Folding table with curtain.