JP2007260286A - Folding table - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a structure by which a leg body and a connecting rod, etc., are used without unpleasant to them. <P>SOLUTION: Left and right leg bodies 5 for supporting a top plate 2 comprises a rear leg 7 whose upper part 7a is inclined to the front and a front leg 6 provided with an upward inclined part 8 inclined to the front at the almost same angle as the rear leg 7 and a downward inclined part 9 bent forward and downward in a chevron shape in a face view from the lower end of the upward inclined part 8 to a floor surface. The rear leg 7 is arranged on the inner side in the horizontal direction of the front leg 6, the upward inclined part 8 of the front leg 6 and the side face of the upper part 7a of the rear leg 7 which are piled up are fixed, and the rear leg 7 and the front leg 6 are integrated. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a folding table in which a top plate provided at the upper end of a leg can be rotated between a horizontal use position and a folding position standing on the rear side of the leg.

In a conventional folding table, there is a rear leg whose upper part is inclined toward the front, an upper inclined part inclined toward the front at substantially the same angle as this rear leg, and a lower end of the upper inclined part. A front leg having a lower sloped portion that is bent in a front-down direction and reaches the floor surface in a side-view shape, and the upper sloped portion of the front leg and the upper side surface of the rear leg are simply overlapped with each other in the left-right direction. There is one in which legs are arranged on the lower surfaces of the left and right sides of the top plate (see, for example, Patent Document 1).
JP 2004-202056 A

In the folding table described in Patent Document 1, the legs are configured such that the front legs are disposed outside the rear legs, and the upper inclined portions of the front legs and the upper side surfaces of the rear legs are simply overlapped with each other in the left-right direction. Since the upper part of the leg is extended to the upper part of the table, the inner space between the left and right legs is narrow, and the user's knee hits the leg to cause discomfort.
In addition, since a connecting rod for connecting the left and right legs is provided in the middle part in the vertical direction, there is a problem that the connecting rod hits the knee of the user and feels uncomfortable.

  The present invention has been made in view of the above problems, and a folding table having a structure that can be used without feeling uncomfortable with the presence of legs, connecting rods, and the like, while providing practically sufficient strength. It is intended to provide.

According to the present invention, the above problem is solved as follows.
(1) A pair of left and right brackets facing the front and rear provided on the lower surfaces of the left and right sides of the top plate are pivotally attached to the upper ends of the left and right legs, respectively. A folding table configured to be able to rotate between a folding position standing on the rear side of the legs, and the left and right legs are divided into a rear leg with an upper portion inclined forward, and the rear legs. And a front leg having a lower slope part that is bent forward and downward into a letter-shaped shape from the lower end of the upper slope part and that reaches the floor surface. The rear leg is arranged on the inner side in the left-right direction of the front leg, and the rear leg and the front leg are integrated by adhering between the upper inclined portion of the superimposed front leg and the upper side surface of the rear leg.

(2) In the above section (1), at the place where the front leg and the rear leg overlap with each other, a recess recessed inwardly over the substantially entire length of the upper inclined part is provided on the inner side surface in the left-right direction of the front leg, and the rear corresponding to the recess The leg portion is bent and displaced stepwise outward substantially over the entire length of the recess, and the bent and displaced portion is accommodated in the recess.

(3) In the above item (1) or (2), the recess is formed in a groove shape, the bent and displaced portion is accommodated in the groove, and the rear leg and the front leg are fixed.

(4) In any one of the above items (1) to (3), the upper ends of the left and right legs are connected to each other by a connecting rod extending in the left-right direction along the lower surface of the top plate.

  According to the first aspect of the present invention, the upper side surface of the rear leg is disposed so as to overlap the inner side in the left-right direction of the upper inclined portion of the front leg, and the upper inclined portion of the front leg and the upper side surface of the rear leg are fixed to each other. Because it is integrated, a large strength can be obtained at the upper part of the fixed leg, and a connecting rod that connects the left and right legs can be arranged on the upper part of the leg where the user's knee does not hit It is possible to obtain a sufficient strength for practical use, and it has been observed that the connecting rod connected to the middle part of the leg in the vertical direction hit the user's knee and caused discomfort. Can be prevented.

  According to the second aspect of the invention, the portion that becomes the upper inclined portion of the rear leg is bent and displaced stepwise outward, and the bent and displaced portion is accommodated in the recess provided on the inner side surface of the front leg. Thus, the thickness of the upper inclined portion of the rear leg is absorbed by the concave portion of the front leg. Therefore, only the rear leg can be bent and displaced outward without bending the front leg outward. Thus, if the rear leg is bent and displaced outward, a large upper space between the left and right legs can be secured, and the leg can be reduced from hitting the user's knee and easy to use.

  According to the invention described in claim 3, since the concave portion is formed in a groove shape and the bent and displaced portion is accommodated in the groove, it is easy to align the rear leg and the front leg, and the assembly workability Can be improved. Further, by accommodating the bent and displaced portion in the concave portion, the space in the concave portion is almost filled with the bent and displaced portion, and the strength in the fixed portion is improved. As a result, it is possible to eliminate the connecting rod that conventionally connects the left and right legs at the middle portion in the vertical direction, and this connecting rod prevents the user from hitting the user's knee and causing discomfort. Is done.

  According to the invention described in claim 4, since the left and right legs are connected to each other by the connecting rod extending in the left-right direction along the lower surface of the top plate at the upper ends of the left and right legs, the connecting rod is used. It is prevented from hitting a person's knee and becomes easy to use.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 is an exploded perspective view of main parts of a folding table according to an embodiment of the present invention, FIG. 2 is an enlarged side view of the main parts of the folding table, and FIG. 3 is a longitudinal sectional view taken along line III-III in FIG. In FIG. 1, only the left side portion of the folding table is shown in an enlarged manner, but this folding table is formed substantially symmetrically.

  1-3, the folding table (1) has a top plate (2). A pair of left and right brackets (3) and (3) facing in the front-rear direction are fixed to the lower surfaces of the left and right sides of the top plate (2). The left and right brackets (3) and (3) have connecting rods (4) that penetrate the brackets (3) and (3) in the left-right direction and extend in the left-right direction along the lower surface of the top plate (2). It is attached. The upper ends of the pair of legs (5) and (5) are fixed to the left and right ends of the connecting rod (4) in a symmetrical manner, respectively, and the top plate is fixed by the pair of legs (5) and (5). (2) is held so as to be able to rotate between a horizontal use position and a folding position standing on the rear side of the leg.

  5 and 6 are exploded perspective views showing the detailed structure of the leg (5). The leg (5) consists of a die-cast front leg (6) and a rear leg (7).

  The front leg (6) is bent in the front-down direction from the lower slope of the upper slope (8) provided so as to be inclined toward the front, and from the lower end of the upper slope (8) in the shape of a side view. It has integrally with the lower inclination part (9) arrange | positioned toward. The outer side surface of the front leg (6) in the left-right direction is formed substantially in the same plane as a whole, without both the upper inclined portion (8) and the lower inclined portion (9) projecting greatly outward. On the lower end surface of the lower inclined portion (9), there is provided a caster mounting hole (10) facing in the vertical direction. By using this caster mounting hole (10), as shown in FIG. The caster (11) is attached to the lower part of).

  A connecting portion (12) connected to the connecting rod (9) is provided on the upper inclined portion (8), and a mounting hole (13) facing the left-right direction is formed in the connecting portion (12). On the side facing the inside of the upper inclined portion (8), as shown in FIG. 4, a concave portion (14) recessed inward is provided from the immediate lower side of the connecting portion (12) to the lower inclined portion (9 ) Are continuously formed in a groove shape. Three screw holes (15a) (15b) (15c) are formed on the bottom surface of the recess (14) so as to be spaced apart in the vertical direction.

  The rear leg (7), like the upper inclined part (8) of the front leg (6), has an upper part (7a) and a lower part (7b) that are inclined to the front, and are in the form of a single bar. Is formed. As shown in FIG. 3, the upper part (7a) is laterally extended by a predetermined dimension (H) with respect to the lower part (7b) extended straight from the lower end of the upper part (7a). It is formed in a state where it is bent and displaced stepwise outward. The upper portion (7a) has a planar shape that is substantially the same as the inner shape of the concave portion (14) in the upper inclined portion (8) of the front leg (6), and can be accommodated in the concave portion (14) almost densely. It has become. The upper part (7a) is provided with mounting holes (16a), (16b) and (16c) facing in the left-right direction corresponding to the screw holes (15a), (15b) and (15c) in the concave part (14). The lower end surface of the lower portion (7b) is provided with a caster mounting hole (17) facing vertically, and the lower end surface of the lower portion (7b) is used by using the caster mounting hole (17) as shown in FIG. Further, a caster (11) similar to the front leg (6) is attached.

  A procedure for attaching the leg body (5) composed of the front leg (6) and the rear leg (7) thus constructed to both ends of the connecting rod (4) will be described next.

  In addition, when attaching a leg body (5) to both end surfaces of the connecting rod (4), as shown in FIG. 1, one end side is between the end portion of the connecting rod (4) and the leg body (5). A mounting bracket (18) fixed to the connecting rod (4) is interposed. The mounting bracket (18) is provided with mounting holes (19a), (19b) and (19c) corresponding to the mounting holes (16a), (16b) and (16c) of the rear leg (7). A screw hole (20) is provided corresponding to the mounting hole (13) provided in the connecting portion (12) of 6).

  First, as shown in FIG. 4 and FIG. 5, the inner side of the front leg (6) in the left-right direction so that the recess (14) of the front leg (16) and the upper part (7 a) of the rear leg (7) face each other. Further, the rear leg (7) is arranged, and the upper part (7a) is accommodated in the recess (14). Subsequently, the front leg (6) and the rear leg (7) are arranged at one end of the connecting rod (4), and the mounting holes (19a) (19b) and the mounting holes are mounted from the inner side in the left-right direction of the mounting bracket (18). Screw the bolts (21), (21), and (21) into the screw holes (15a), (15b), and (15c) through the (16a), (16b), and (16c), respectively. The upper part (7a) of (7) and the upper inclined part (8) of the front leg (6) are fastened together. Thereby, as shown in FIG. 2, a front leg (6), a rear leg (7), and a mounting bracket (18) are integrated.

  Subsequently, from the outside of the front leg (6) in the left-right direction, the bolt (22) is screwed into the screw hole (20) through the mounting hole (13), and the front leg (6) and the mounting bracket (18) are connected. When fastened together, the connecting part (12), which is the upper part of the front leg (6), and the connecting rod (4) are further fixed, and the leg (5) is attached to one end of the connecting rod (4). If this operation is performed on both the left and right sides of the connecting rod (4), the legs (5) can be attached to the left and right sides of the connecting rod (4), respectively.

  The folding table (1) thus constructed is arranged such that the upper side of the rear leg (7) is placed inside the upper inclined part (8) of the front leg (6), and the upper inclined part ( 8) and the upper (7a) side surface of the rear leg (7) are fixed and integrated with a bolt (21). That is, since the upper inclined part (8) of the front leg (6) and the upper (7a) side surface of the rear leg (7) are fixed and integrated, the fixed leg (7) is fixed. High strength is obtained at the upper part, and the connecting rod (4) for connecting the left and right legs (7) can be disposed at the upper part of the leg (7) where the user's knee does not hit. . Accordingly, it is possible to prevent the connecting rod (4) from hitting the user's knee and causing discomfort.

  In addition, the upper part (7a) which is the upper inclined part of the rear leg (7) is bent and displaced stepwise outward in the left-right direction, and the upper part (7a) which is bent and displaced is the inner surface of the front leg (6). Since the thickness of the upper part (7a) of the rear leg (6) is absorbed by the concave part (14) of the front leg (6), the front leg (6) is bent and displaced outward. Even without this, only the upper part (7a) of the rear leg (7) can be bent and displaced outward. As a result, the upper space between the left and right legs (5) and (5) can be ensured to be larger by twice the dimension (H) to be bent and displaced, so the legs (5) and (5). Is eased to hit the user's knee, making it easier to use.

  Furthermore, by accommodating the upper part (7a) of the rear leg (7) in the recess (14) of the front leg (6), the front leg (6) and the rear leg (7) can be easily positioned during assembly. The space in the recess (14) is almost filled with the upper part (7a), which is a part that is bent and displaced, and the strength at the fixed part is also improved.

  Further, at the upper ends of the left and right legs (5) and (5), the left and right legs (5) and (5) are connected to each other by a connecting rod (4) extending in the left and right direction along the lower surface of the top plate (2). Since it is connected, it is eased that the connecting rod (4) hits the knee of the user, and it is easy to use.

It is a principal part disassembled perspective view of the folding table in embodiment of this invention. Similarly, it is a principal part enlarged side view of a folding table. It is a longitudinal cross-sectional view of the III-III line of FIG. It is the disassembled perspective view which looked at the leg body of the folding table from the inner side direction. Similarly, it is the disassembled perspective view which looked at the leg body of the upper folding table from the outer side.

Explanation of symbols

(1) Folding table
(2) Top plate
(3) Bracket
(4) Linkage
(5) Leg
(6) Front legs
(7) Rear legs
(7a) Upper part
(7b) Bottom
(8) Upper inclined part
(9) Lower slope
(10) Caster mounting hole
(11) Casters
(12) Connecting part
(13) Mounting hole
(14) Recess
(15a) Screw hole
(15b) Screw hole
(15c) Screw hole
(16a) Mounting hole
(16b) Mounting hole
(16c) Mounting hole
(17) Caster mounting hole
(18) Mounting bracket
(19a) Mounting hole
(19b) Mounting hole
(19c) Mounting hole
(20) Screw hole
(21) Bolt
(22) Bolt

Claims (4)

A pair of left and right brackets provided on the lower surfaces of both left and right sides of the top plate are pivotally attached to the upper ends of the left and right legs, respectively, so that the top plate can be placed in a horizontal position and a leg. In the folding table that can be rotated between the folding position standing up on the rear side,
The left and right legs are side surfaces from the lower legs of the rear legs whose upper part is inclined toward the front, the upper inclined part inclined toward the front at substantially the same angle as the rear leg, and the upper inclined part. A front leg that is bent in a front-bottom direction and has a lower slope part that reaches the floor surface, and has a rear leg located inside the front leg in the left-right direction, and the upper slope part of the superimposed front leg A folding table, wherein the rear leg and the front leg are integrated by adhering between the upper leg and the upper side surface of the rear leg.   At the place where the front leg and the rear leg overlap each other, a concave portion that is recessed inward over substantially the entire length of the upper inclined portion is provided on the inner side surface in the left-right direction of the front leg, and the rear leg portion corresponding to the concave portion is substantially the entire length of the concave portion. The folding table according to claim 1, wherein the folding table is bent and displaced outward in a step shape, and the bent and displaced portion is accommodated in the recess.   3. The folding table according to claim 1, wherein the concave portion is formed in a groove shape, the bent and displaced portion is accommodated in the groove, and the rear leg and the front leg are fixed. The folding table according to any one of claims 1 to 3, wherein upper ends of the left and right legs are connected to each other by a connecting rod extending in the left-right direction along the lower surface of the top plate.

Images