JP3360159B2 - Top plate position display device for folding table - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for easily displaying that a rotatable top plate of a folding table has been correctly rotated to a horizontal use position and a vertical folding position.

[0002]

2. Description of the Related Art In a conventional folding table, whether a top plate is properly locked at both horizontal and vertical positions is determined by a locking piece of a bracket provided on the top plate provided at an upper end of a leg rod. by the abutment sound when engaging the engaging portions, but have become once intellectual Liu <br/> so that, because it is inaccurate, and viewing the engagement must reconfirm Often.

[0003]

[SUMMARY OF THE INVENTION] However, to view the engagement of the top plate, it is necessary to visually back side of the top plate, since especially when the table is large, awkward its work, May be mistaken. Therefore, when the folding table, for which release the more the top plate, the top plate is rapidly rotated to a horizontal position by its own weight, like a part of the operator's body,
There was a risk of being pinched between the legs.

According to the present invention, in order to solve such a problem, when changing the attitude of the tabletop, an operator determines whether or not the tabletop has been reliably rotated to the locking position by checking the side of the table. It is an object to provide a display device that can be more easily confirmed.

[0005]

According to the present invention, the above-mentioned problem is solved as follows. (1) On the brackets hanging from both sides of the lower surface of the top plate,
In a folding table in which the upper ends of both legs are pivotally connected and the top plate is fixed at a horizontal position and a vertical position by a locking device provided between the bracket and the legs, an upper end of the outer surface of the legs, And a member that covers the upper end of the outer surface and that rotates together with the top plate is provided with a display device that cooperates with each other to display that the top plate is located at one of the two positions.

(2) The display device according to the above (1) comprises a display window formed by drilling the display device at one important point of a rotating member;
It is assumed that the display is provided at two key points on the rotation locus of the display window of the leg rod.

[0007] (3) The display device according to the above (1) comprises a rotation indicator provided at two points at equal intervals from a rotation center on a peripheral portion of the rotating member, and a leg rod. The immobility index provided at one important point in the radial direction close to the rotation locus of the above-mentioned rotation index.

(4) The rotating member in the above item (1) or (2) is a cover.

[0009]

FIG. 6 to FIG. 14 show an example of a conventional folding table. On both sides of the lower surface of the table top (1), a downward U-shaped groove-shaped bracket (2) pointing in the front-rear direction
It is a solid wear, the suspended piece of each bracket (2) (2a) (2a ) is
The upper part of the leg rod (4), which is erected from the rear part of the pair of left and right horizontal legs (3) facing in the front-rear direction and is inclined slightly upward and forward, is fitted.
It is pivotally supported by a support shaft (5) that faces in the left-right direction.

Both brackets (2) on the lower surface of the top plate (1)
And vertically from the following portion of the rear end of the after direction L-shaped pivoted plate (6) has an upper end of the vertical curtain plate (7) is pivotally supported with the lateral axis. The lower end of the curtain plate (7), by a link rod (8) is coupled with between portions in the Ashi杆(4).

[0011] Bracket (2) at the upper part of both leg rods (4)
Immediately below, is pivotally supported is both side ends of the shelf plate (9), both ends rear shelf (9), the bent portion of the pivoted plate (6), the link plate (10)
Is linked.

A first locking pin (11) and a second locking pin (12) project from the inner surface of the leg rod (4) below and in front of the support shaft (5), respectively.

A pivot pin (13) protruding from the front of the second locking pin (12) on the inner surface of the hanging piece (2a) inside both brackets (2) has an O-shaped side view in the front-rear direction. The central portion of the lock lever (14) is pivotally supported. A locking groove (15) is cut in the upper edge of the rear end of the lock lever (14), and a push button (16) is also vertically provided in the front end.

The lock lever (14) is biased in a downward direction by a push button (16) by a torsion spring (17) wound around a pivot pin (13). When using, the locking groove
(15) engages with the first locking pin (11) to hold the top plate (1) horizontally fixed.

A cover (18) for covering the outer side surface and the front opening is detachably attached to the bracket (2). A window hole (19) is cut out at the front of the horizontal piece (18a) of the cover (18), from which the push button (16) of the lock lever (14) projects.

In the above-mentioned folding table, when the push button (16) is pushed up by a finger when not in use, the lock lever (14) slightly rotates against the spring (17), and the locking groove ( 1
5) is detached from the first locking pin (11), and the top plate (1) becomes rotatable.

Therefore, after the top plate (1) is slightly pushed up in the direction of the arrow, the finger is released from the push button (16), and the top plate (1) is continuously pushed up until it becomes parallel to the leg rod (4). If the locking groove (1
5) is automatically engaged with the second locking pin (12) by the bias of the spring (17), and the top plate (1) is fixedly held .

At the same time, the curtain plate (7) is connected to the link rod (8).
By the action, also shelves (9) is rotated by the action of the link plate (10), and stops become top plate (1) parallel.

The cover (18) rotates together with the bracket (2), and always covers the upper end of the leg (4) and each member exposed from the front lower surface opening of the bracket (2) in a good shape.

[0020] In folded table, in the same manner as described above, by operating the pushbutton (16), top plate (1) and the horizontal can Rukoto is automatically fixed.

In the above-mentioned folding table, since the outer surface and the front lower surface of the bracket (2) are covered by the cover (18), the first and second locking pins (11) and (12) and the lock it is impossible almost to visually confirm the engagement state of the lever (14).

The present invention has been made in order to solve the above-mentioned problems.
It is configured as shown in FIGS. 1 to 5, and most of the members are the same as the above-described conventional folding table, and some of them are omitted from the drawings. The same members as those described above are denoted by the same reference numerals, and description thereof is omitted.

FIGS. 1 to 3 show a first embodiment of the present invention, in which the outer surface of a leg rod (20) corresponding to the above (4) is provided.
The hanging piece (21a) outside the bracket (21) corresponding to (2)
In the portion where the cover (22) corresponding to (18) above overlaps, below and in front of the support shaft (5), the rotation angle of the top plate (1) from horizontal to vertical is the same. A first display (23) and a second display (24) of "OK" are arranged on the same circumference centered on the support shaft (5) at an angle.

The hanging piece (21a) of the bracket (2) and the cover
At the place where the top plate (1) in (22) is horizontal and the first display (23) overlaps, the first display window (25) and the second display window are respectively provided.
(26) is drilled.

In the above-described apparatus, when the top plate (1) is horizontal, the first display (23) is exposed from the first and second display windows (25) and (26), which are overlapped with each other, and the top plate (1) is exposed. ), The second
The display (24) is exposed. Therefore, whether or not the top plate (1) is securely fixed at both positions can be easily visually recognized from the side of the top plate (1).

FIGS. 4 and 5 show another embodiment of the present invention, in which a bracket corresponding to (2) above overlaps on the outer surface of a leg (27) corresponding to (4) above. (28)
Immediately below the top plate (1) of the cover (29) corresponding to (18) above, a fixed index (30) having an upward arrow shape is clearly indicated.

At the lower end of the cover (29) when the top plate (1) is horizontal, a downward arrow-shaped first downwardly facing first fixed indicator (30) is provided.
Indicator (31) is specified.

A first index is provided on an edge of the bracket (28) projecting rearward from the top plate (1) in a horizontal position and inclined upward and rearward of a rear portion of an outer hanging piece (28a) of the bracket (28). Behind (31), at the same angle as the rotation angle of the top plate (1) from horizontal to vertical, it is arranged on the same circumference around the support shaft (5), and the radiation direction is A pointing arrow-shaped second index (32) is specified.

In this device, the fixed index (30) is
When the horizontal position of (1) is indicated, the first index (31) is indicated, and when the top plate (1) is vertical, the second index (32) is indicated. Whether or not the plate (1) is securely fixed at both positions can be easily visually recognized.

In the above-described embodiments, the brackets (21) and (28)
Are covered with covers (22) and (29), respectively, but many folding tables do not use a cover.

In this case, the device of the first embodiment can be applied without any trouble, and the device of the second embodiment allows the first index (31) to be set by the hanging piece (28a) of the bracket (28). ).

[0032]

According to the present invention, the first and second displays and the first and second display windows provided on the brackets and the cover provided on the folding table and the bracket provided on the top plate respectively cooperate with each other. Alternatively, by the cooperation of the fixed index and the first and second indexes,
The fact that the top plate has been rotated between the use position and the folded position can be easily visually recognized from the side of the top plate, so that the top plate is unexpectedly rotated, which may damage the table or injure a person. There is no fear.

[Brief description of the drawings]

FIG. 1 is an exploded side view of a main part of a folding table to which a first embodiment of the present invention is applied.

FIG. 2 is a side view in use.

FIG. 3 is a side view of the same when folded.

FIG. 4 is a side view of a main part when a folding table to which the second embodiment of the present invention is applied is used.

FIG. 5 is a side view of the main part when the same is folded.

FIG. 6 is a side view when the folding table is used.

FIG. 7 is a side view of the same when not in use.

FIG. 8 is a front view of the same.

FIG. 9 is a front view of the bracket.

FIG. 10 is a plan view of the same.

FIG. 11 is an outer side view of the same.

FIG. 12 is a front view of a cover.

FIG. 13 is a plan view of the same.

FIG. 14 is an outer side view of the same.

[Explanation of symbols]

(1) Top plate (2) Bracket (2a) Hanging piece (3) Horizontal leg (4) Leg (5) Support shaft (6) Pivot plate (7) Curtain plate (8) Link rod (9) Shelf plate (10) Link rod (11) First lock pin (12) Second lock pin (13) Pivot pin (14) Lock lever (15) Lock groove (16) Push button (17) Torsion spring (18 ) Cover (18a) Horizontal piece (19) Window hole (20) Leg (21) Bracket (21a ) Hanging piece (22) Cover (23) First display (24) Second display (25) First display window ( 26) Second display window (27) Leg (28) Bracket (28a ) Hanging piece (29) Cover (30) Fixed index (31) First index (32) Second index

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) A47B 3/08

Claims (4)

(57) [Claims] An upper end of both legs is pivotally attached to a bracket vertically provided from both sides of a lower surface of the top plate, and the top plate is moved to a horizontal position and a vertical position by a locking device provided between the bracket and the legs. In the folding table to be fixed, the top plate is located at one of the above-mentioned positions on the upper end of the outer surface of the leg and a member that covers the upper end of the outer surface of the leg and rotates together with the top plate. and to display in cooperation with each other
Providing the display device are I top position display device of the folding table and said. 2. The display device according to claim 1, wherein the display device has a display window formed at one important point of the rotating member, and a display provided at two key positions on a rotation locus of the display window in the leg rod. Item 4. A top plate position display device for a folding table according to Item 1. 3. A display device according to claim 1, wherein the display device radiates a rotation index provided at two important points at equal intervals from a rotation center on a peripheral portion of the rotating member and a rotation locus of the rotation index on a leg. The top plate position display device for a folding table according to claim 1, wherein the position indicator is a fixed index provided at one important point close to the direction. 4. The top plate position display device for a folding table according to claim 1, wherein the rotating member is a cover.