KR20060056850A - Folding chair - Google Patents

Abstract

The present invention is to provide a folding chair that can be folded in a small size in the chair of the L-shaped frame structure, in the solution means for achieving the above object, the folding chair is vertically stretched in the vertical direction The frame member 10, the seat plate 50 supported at the intermediate position of the vertical frame member 10, and the base frame member 30 whose front end portion is rotatably connected to the lower end of the vertical frame member 10 Equipped. The base frame member 30 has an open state position extending on the bottom surface with a predetermined angle with respect to the vertical frame member 10 extending in the vertical direction, and the vertical frame member (at a position in front of the vertical frame member 10). It is possible to selectively take the folded state position extended in accordance with 10).

Folding chair

Description

Folding Chair {Folding Chair}

BRIEF DESCRIPTION OF THE DRAWINGS The side view which shows the folding chair which concerns on one Embodiment of this invention.

Figure 2 is a side view showing a vertical side plate of the vertical frame member.

3 is a side view showing a state during folding of a chair.

Figure 4 is a side view showing a folded state of the chair.

Fig. 5 is a sectional view of the connecting portion between the pair of longitudinal side plates and the seat plate viewed from the front side;

Fig. 6 is a sectional view showing the structure of a part related to the upper lock member.

(Explanation of symbols for the main parts of the drawing)

10: vertical frame member

11: vertical side plate

12: widthwise connecting member

13: upper first lock hole

14: upper second lock hole

15: protrusion

16: lower first lock hole

17: lower second lock hole

18: upper pivot center hole

19: lower pivot center hole

20: load supporting member

21: width dimension control screw member

22: widthwise connection member

23: home

30: base frame member

31: base side plate

32: rotating shaft

33: lower lock member

40: handrail member

41: upper lock member

41a: head grip

41b: shaft portion

42: rotation shaft

43: spring receiving member

44: spring

50: seat

60: scaffold

Technical Field

BACKGROUND OF THE INVENTION Field of the Invention The present invention relates to a folding chair, and more particularly, to a baby chair having a small folding size.

Prior art

A multifunctional chair with a table for infants is disclosed in Utility Model Registration No. 3090970. The chair disclosed in this publication includes a pair of left and right plate-shaped legs extending in the vertical direction, a leg portion where the front end is fixed to the plate-shaped legs and extends to the rear, and a plate. A table is rotatably connected to an upper portion of the shaped leg. When viewed from the side, the plate-shaped legs and legs form an L-shape. In normal use, the table extends forward from the plate-shaped legs, but can be rotated backwards as needed.

[Patent Document 1] Utility Model Registration No. 3090970

In the chair of the L-shaped frame structure disclosed in JP 3090970 A, since the plate-shaped legs and the leg portions are fixed, they cannot be folded small. In consideration of the space during storage and transportation, it is desirable to allow the chair to be folded in a small size.

An object of the present invention is to provide a folding chair that can be folded in a small size in a chair having an L-shaped frame structure.

The folding chair according to the present invention includes a vertical frame member extending in the vertical direction, a seat plate supported at an intermediate position of the vertical frame member, and a front end portion thereof which can be rotated at the lower end of the vertical frame member. And a base frame member connected securely. The base frame member selects an open state position extending on the bottom surface at a predetermined angle with respect to the vertical frame member extending in the vertical direction, and a folded state position extending along the vertical frame member at a position in front of the vertical frame member. It is supposed to be taken.

According to this invention of the said structure, since a base frame member can be folded so that it may conform to a vertical frame member in the position of the front of a vertical frame member, the folding size of a chair can be made small.

The folding chair according to the preferred embodiment further includes a handrail member connected to the vertical frame member so as to be rotatable at a position above the seat plate. The handrail member can selectively take the open state position extended in the front-back direction, and the folded state position extended along the vertical frame member at the position behind the vertical frame member. According to this embodiment, in addition to the base frame member, the handrail member can also be folded to conform to the vertical frame member, so that the folding size can be reduced. When the folding chair is a baby chair, for example, a table is used as the handrail member.

Preferably, the folding chair further comprises base frame fixing means for fixing the base frame member in the open position position and the folded position position. Also preferably, the folding chair is provided with handrail fixing means for fixing the handrail member in an open position and a folded position.

Preferably, a compression direction load is generated between the base frame member and the vertical frame member in the open state. In one embodiment, the folding chair is provided between the base frame member and the vertical frame member which are in an open state, and is further provided with the load support member which supports the compression direction load which arises between both. Since the load supporting member supports the compression direction load, the load supporting member supports the load by the rigidity of the member itself, and the load supporting structure is firm.

In one embodiment, the load bearing member is fixed to the lower portion of the vertical frame member. More specifically, the vertical frame member includes a pair of vertical side plates positioned at both sides in the width direction, and the base frame member has an outer surface side of the pair of vertical side plates at both sides in the width direction. And a pair of base side plates located at iii). The load supporting member is fixed on the outer surface of each vertical side plate so as to be located on the same plane as each base side plate.

As described above, according to the present invention, a chair having an L-shaped frame structure which can be folded in a small size can be obtained.

1-6 show the baby folding chair which concerns on one Embodiment of this invention. Although FIG. 1 shows the figure seen from one side surface, it becomes substantially the same view also from the side surface of the opposite side.

The baby folding chair has a vertical frame member 10 that extends in the vertical direction, a seat plate 50 supported at an intermediate position of the vertical frame member 10, and a vertical frame member at a position lower than the seat plate 50. Footrest 60 supported by 10), handrail member 40 in the form of a table supported by vertical frame member 10 at a position above seat plate 50, and its front end portion being a vertical frame. The base frame member 30 is rotatably connected to the lower end of the member 10. When viewed from the side, the baby chair forms an L-shaped frame structure with the vertical frame member 10 and the base frame member 30.

In the illustrated embodiment, the vertical frame member 10 includes a pair of vertical side plates 11 located at both sides in the width direction. In addition, the base frame member 30 includes a pair of base side plates 31 located on the outer surface side of the pair of longitudinal side plates 11 at both sides in the width direction. The space | interval of a pair of longitudinal side plate 11 is appropriately hold | maintained by the width direction connecting member 12, the seat plate 50, and the footrest 60 extended in the width direction from the upper part. Fixation of the space | interval of a pair of longitudinal side plate 11 is performed by the width dimension control screw member 21 which connects both.

FIG. 5: is sectional drawing which looked at the connection part of the pair of longitudinal side plate 11 and the seat plate 50 from the front side. As shown in the figure, a plurality of grooves 23 extending in the front-rear direction are provided on the inner side surfaces of the pair of longitudinal side plates 11 up and down. Both ends of the seat plate 50 in the width direction are fitted in the grooves 23. Although not shown in the drawing, both ends in the width direction of the scaffold 60 are also fitted in the groove 23.

When the fixing by the width dimension restricting screw member 21 is released, the distance between the pair of longitudinal side plates 11 can be widened, and the seat plate 50 and the foot plate 60 are separated from the longitudinal side plates 11. It becomes possible. Since many grooves 23 are provided up and down, the height of the seat plate 50 and the footrest 60 can be changed suitably as baby grows.

The rear end of the handrail member 40 in the form of a table is rotatably connected to the pair of longitudinal side plates 11 through the rotation shaft 42. As shown in FIG. 1, this handrail member 40 is made to follow the longitudinal side plate 11 in the open state position extended in the front-back direction, and the position of the rear side of the longitudinal side plate 11 as shown in FIG. It is possible to selectively take the folded state position extended. The illustrated baby chair is provided with handrail fixing means for fixing the handrail member 40 in an open state and a folded state position.

2 is a view showing the vertical side plate 11 alone. FIG. 6: is sectional drawing which shows the structure of the part which concerns on the handrail member 40 in the open state position, and the upper lock member 41 which locks the longitudinal side plate 11. As shown in FIG. With reference to FIG. 1, FIG. 2, and FIG. 6, the detail of the handrail fixing means is demonstrated. As shown in FIG. 2, the outer side surface of each longitudinal side plate 11 has the upper 1st lock hole 13 and the upper agent in the equidistant position from the upper rotation center hole 18 which receives the rotation shaft 42. As shown in FIG. Two lock holes 14 are provided. The upper first lock hole 13 is located in front of the rotation center hole 18, and the upper second lock hole 14 is located below the rotation center hole 18.

As shown in FIG. 6, the upper lock member 41 is attached to the handrail member 40. The upper lock member 41 protrudes to the inner side surface of the handrail member 40 through the head grip portion 41a exposed to the outer side surface of the handrail member 40 and the handrail member 40. It has a shaft portion 41b. The spring receiving member 43 is fixed to the shaft portion 41b of the upper lock member 40. In addition, in the handrail member 40, the compression spring 44 is arrange | positioned so that the shaft part 41b of the upper lock member 41 may be enclosed. The compression spring 44 urges the spring bearing member 43, thereby bringing the upper lock member 41 into the locked position.

The open position of the handrail member 40 is locked by engaging the shaft portion 41b of the upper lock member 41 with the upper first lock hole 13 of the longitudinal side plate 11. This locked state is released by pulling out the head grip part 41a of the upper lock member 41 in opposition to the force of the compression spring 44. In the folded state position of the handrail member 40 shown in FIG. 4, the shaft portion 41b of the upper lock member 41 is locked by engaging the upper second lock hole 14 of the longitudinal side plate 11.

As shown in FIG. 6, in order to more firmly stabilize the open position of the handrail member 40, a protrusion 15, for example, in the form of a screw, is provided on the outer side surface of the longitudinal side plate 11. The protrusion 15 abuts against the lower surface of the handrail member 40 in the open position.

As shown in FIGS. 1 and 2, each base side plate 31 of the base frame member 30 is rotatably connected to each longitudinal side plate 11 via its pivoting end 32. have. The base frame member 30 is connected to the vertical frame member 10 at an open state position extending on the bottom surface as shown in FIG. 1 and at a front position of the vertical frame member 10 as shown in FIG. It is possible to selectively take the folded state position extended to follow. The illustrated baby chair is provided with a base frame fixing means for fixing the base frame member 30 in an open position position and a folded position position. In the illustrated embodiment, the base frame fixing means includes a lower lock member 33 having a structure substantially the same as the upper lock member 41 shown in FIG. 6.

As shown in FIG. 2, each vertical side plate 11 of the vertical frame member 10 has a lower first lock hole 16 at a position equidistant from the lower rotation center hole 19 that receives the rotation shaft 32. ) And the lower second lock hole 17 are provided. The lower first lock hole 16 is located behind the rotation center hole 19, and the lower second lock hole 17 is located above the rotation center hole 19.

The open state position of the base frame member 30 is locked by engaging the lower lock member 33 with the lower first lock hole 16 of the longitudinal side plate 11. The lower lock member 33 is locked by engaging the lower second lock hole 17 of the vertical side plate 11 at the folded position of the base frame member 30.

A widthwise connecting member 22 is interposed between the pair of base side plates 31, and the position of the widthwise connecting member 22 is the footrest 60 when the base frame member 30 is in the folded position. Or not interfering with the seat plate 50.

In the illustrated embodiment, the compression direction load is generated between the base frame member 30 and the vertical frame member 10 in the open state. Specifically, the chair is provided between the base frame member 30 and the vertical frame member 10 which are in an open state, and includes a load supporting member 20 that supports the compression direction load generated therebetween. This load supporting member 20 is fixed to the lower part of each longitudinal side plate 11. Each load supporting member 20 and each base side plate 31 are located in the same plane.

As described above, if the configuration in which the compression direction load is generated between the vertical frame member 10 and the base frame member 30 supports the load by the rigidity of the member itself, the load supporting structure is firmly established. do.

Fig. 1 shows the shape of a chair in a use state, Fig. 3 shows the shape in the middle of folding, and Fig. 4 shows the shape of the folded state. In the folded state of the chair, the base frame member 30 extends along the vertical frame member 10 at the front position of the vertical frame member 10, and the handrail member 40 is rearward of the vertical frame member 10. Since it extends along the vertical frame member 10 at the position, the volume of the folded state becomes small. In order to enable a small folding chair to stand on its own, the shape of a base frame member or a vertical frame member may be devised.

Although the embodiment shown in FIGS. 1-6 is a baby chair provided with a table, this invention is applicable also to an adult chair which is not equipped with a table or a railing.

As mentioned above, although embodiment of this invention was described with reference to drawings, this invention is not limited to what was shown embodiment. In the illustrated embodiment, various modifications and variations can be made within the same range as the present invention or within an equivalent range.

The present invention can be advantageously used as a chair capable of reducing the folding size.

As described above, according to the present invention, a chair having an L-shaped frame structure which can be folded in a small size can be obtained.

Claims (8)

The vertical frame member extending in the vertical direction, A seat plate supported at an intermediate position of the vertical frame member; The front end portion has a base frame member rotatably connected to the lower end of the vertical frame member, The base frame member is in an open state position extending on the bottom surface at a predetermined angle with respect to the vertical frame member extending in the up and down direction, and a folded state extending along the vertical frame member at a position in front of the vertical frame member. A folding chair characterized in that the position can be selectively taken. The method of claim 1, Also provided with a handrail member rotatably connected to said vertical frame member at a position above said seat plate, The handrail member is capable of selectively taking an open state position extending in the front-rear direction and a folded state position extending along the vertical frame member at a position behind the vertical frame member. chair. The method of claim 1, And a base frame fixing means for fixing the base frame member in the open position and in the folded position. The method of claim 1, And a handrail fixing means for fixing the handrail member in an open position and a folded position. The method of claim 1, A folding chair, wherein a compression direction load is generated between the base frame member and the vertical frame member in an open state. The method of claim 5, A folding chair further comprising a load supporting member positioned between the base frame member and the vertical frame member in an open state and supporting a compression direction load generated therebetween. The method of claim 6, The load supporting member is fixed to a lower portion of the vertical frame member. The method of claim 7, wherein The vertical frame member includes a pair of vertical side plates located on both sides in the width direction, The base frame member includes a pair of base side plates located on the outer surface side of the pair of longitudinal side plates on both sides in the width direction, The load-bearing member is fixed on an outer surface of each vertical side plate so as to be located on the same plane as each base side plate.

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