JPH01121008A - Chair-like furniture - Google Patents

Abstract

PURPOSE: To enable multipurpose use by simple constitution by providing a seat member supported by a support material and also providing an auxiliary surface material supported at a first position substantially parallel to the seat member and a second position forming the backrest part of the seat member in a freely detachable manner with respect to the seat member. CONSTITUTION: Each of seat members 2, 3 is composed of a flat wood board member and both members are mounted on a support material 4 in a stepped state in a mutually parallel state. A receiving groove 12 is formed to the central part of the side edge 11 positioned on the side opposite to the side edge 6 of the upper seat member 2 and a support member 13 having an almost U-shape is inserted in the receiving groove 12. For example, the support member 13 is used in order to support the rear side of an auxiliary surface material 17 such as a sketching board and a rectangular protruding part 18 is formed to the lower edge of the auxiliary surface material 17 and, when this rectangular protruding part 18 is inserted in the receiving groove 12, the auxiliary surface material 17 constitutes the back to the upper sheet member 2. The support material 4 is made of a steel pipe and consists of a pair of frames 21, 22 almost same in shape and leg parts show an X-shape when a chair is assembled.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to furniture whose basic form is a chair shape.

SUMMARY OF THE INVENTION The present invention aims to provide a chair-like furniture that has several different uses and is preferably foldable.

The chair-like furniture according to the present invention has a seat member supported by a support member, a first position substantially parallel to the seat member, and a second position forming a backrest portion of the seat member. and an auxiliary surface material that is detachably supported.

Furthermore, the furniture according to the invention includes upper and lower seat members that are parallel, vertically spaced apart, and horizontally adjacent to each other in use.

Furthermore, according to the present invention, the auxiliary surface material is located at the end of the upper sheet member that is farthest from the lower sheet member and is one end of the furniture, and the first position of the auxiliary surface material is This is located on the upper sheet member and parallel to the upper sheet member.

Further, according to the present invention, the auxiliary surface material is made removable from the upper sheet member, and its rear portion is attached to a support member fixed to the upper sheet member, so that the auxiliary surface material is located at the receiving portion 74 of the upper sheet member. It is configured such that it can be positioned in the pack rest position via a protrusion on the bottom edge of the operation base.

Further in accordance with the invention, the support member is configured to be movable between an upright position relative to the upper sheet member and a folded position in which it is folded adjacent to the upper sheet member.

Further, according to the present invention, the support means for the seat is provided with a pair of flat frames hinged to each other, the frames being arranged in a folded position in which they are substantially parallel, and in a pair of X-shaped frames at their ends. It is movable between an unfolded position forming the legs.

Further, according to the present invention, each of the frames is provided with a lower base portion and an upper seat support portion that are substantially parallel to each other, and the base portion is positioned on the installation surface, and one member of the upper seat support portion is connected to the upper seat support portion. The other member is rotatably engaged with the seat member, and the other member is rotatably attached to the lower seat member and detachably engaged with the clip of the upper seat member.

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the present invention will be described in detail based on embodiments shown in the drawings and with reference to the accompanying drawings.

In the present embodiment shown in the accompanying drawings, the furniture 1 is in the form of a folding chair.

The chair is composed of a support member 4, an upper seat member 2, and a lower seat member 3. The sheet members 2, 3 are each made of flat wooden planks and are mounted parallel to each other in steps on the support 4. That is, as shown in FIG. 4, the two-part sheet member 2 and the lower sheet member 3 are arranged on the supporting member 4 so that they do not overlap each other (the former is at the upper rear stage and the latter at the lower front stage). It is installed.

The lower sheet member 3 has a trapezoidal shape in which the distance between the bottom side and the top side is longer than the distance between the pair of hypotenuses, and one end 5 of the lower sheet member 3 corresponding to the bottom side of the trapezoid is separated from the upper sheet member 2. It is located farthest away.

The upper sheet member 2 has a rectangular shape, and a rim 7 that projects upward is formed on one side edge 6 adjacent to the lower sheet member 3. This rim 7 serves to prevent objects from rolling down from the upper surface of the upper sheet member 2. Further, a plate member 9 extending from the lower surface 8 of the upper sheet member 2 on which the rim 7 is formed toward the lower sheet member 3 is provided, and the lower edge of the plate member 9 has a groove 1.
0 is formed. This groove lO is designed to accommodate a drawing tool such as a pencil.

A receiving groove 12 is formed in the center of the side edge IL of the upper sheet member 2 opposite to the side edge 6, that is, the side edge 11 of the upper sheet member 2 that is farthest from the lower sheet member 3. has been done. A U-shaped support member 13 is fitted into the receiving groove 12 while extending upward from the lower surface side of the upper trunk member 2 . The support member 13 is swingably attached to the lower surface 8 of the upper sheet member 2 via an extension portion 15 extending laterally from the leg portion thereof. Therefore, as shown in FIG. 1, the support member 13 is movable between a position where it is substantially in contact with the upper surface of the upper sheet member 2 and an operating position where it projects upwardly therefrom.

The support member 13 configured as described above is used to support the rear side of the auxiliary surface material I7, such as a sketching board or a drawing board. The auxiliary surface material 17 is flat and rectangular, and only a portion thereof is shown in FIG. The auxiliary surface material 17
A rectangular protrusion on the lower edge! 8 is formed, and when this rectangular protrusion 18 is inserted into the receiving ifi 12 as shown in FIG.
, more specifically, it constitutes the spine for the upper sheet member 2. Needless to say, this auxiliary surface material 17 can also be removed from the receiving groove 12, in which case the rectangular protrusion 18 extends rearward via the support member 13, and the upper part is removed. It can be placed face down on the sheet member 2.

In addition, in consideration of convenience when carrying the chair of the present invention in a folded state, a rectangular hole 20 is formed in the upper seat member 2, and by inserting a hand into the hole 20, the chair can be carried. It has become.

The support body 4 is made of steel pipe and consists of a pair of frames 21 and 22 having substantially the same shape.

Each of the frames 21 and 22 extends parallel to and is separated from a base portion 23 that is in contact with a supporting surface such as a floor.
It is composed of a pair of seat support parts 24.25 that are continuous in a stepped manner via a connecting part 26, and a pair of leg parts 27.28. The seat support section 24 supports the lower seat member 3, and the seat support section 25 supports the upper seat member 2 from below. Each frame 21, 22
Approximately mid-sections of the legs 27, 28 of the are connected via pivot pins 29, so that the folded position shown in FIGS. 1 and 2 and the assembly shown in FIGS. 3 and 4 are possible. It is set to swing between the two positions. Therefore, when the support pair 4 is viewed from the front or the rear when the chair is assembled, the legs 27, 28 of the frames 21, 22 have an X-shape.

The upper sheet member 2 and the lower sheet member 3 are connected to a frame 21
．． 22 is connected as follows. That is, the lower sheet member 3 is rotatably connected, although not removably, to the seat support portion 24 of the frame 21; A clip 30 (FIG. 2) attached to the holder is elastically engaged with the clip 30 (FIG. 2). On the other hand, like the lower seat member 3, the upper seat member 2 is rotatably connected to the seat support portion 24 of the frame 22, although it cannot be removed.
A clip 31 (FIG. 1) attached to the lower surface of the lower sheet member 3 is elastically engaged with the seat support portion 25 of No. 2.

30.3 each clip! The cross section is U-shaped, and the frame 2! , 22 in the assembled position shown in FIGS. 3 and 4, the upper and lower sheet members 2.3
rotate the clips 3o and 31 to face the seat support parts 25 and 24 of the corresponding frames 21 and 22, respectively,
When a load is then applied from above to the upper and lower seat members 2.3, the clips 30.31 or the seat supports 25.2
Capture 4. Clip 30.3 like this! are the seat support portions 25.2 of the corresponding frames 21.22, respectively.
4, the folded chair as shown in FIGS. 1 and 2 will be assembled. Conversely, in order to fold the assembled chair, the upper and lower seat members 2.3 are attached to the seat support 2 by the clips 30.31.
5. Just rotate it in the direction away from 24.

In addition, in the above-mentioned embodiment, the auxiliary surface material 17 is the receiving Fe1
2, but a locking mechanism may also be used as shown in FIGS. 5 and 6. In FIG. 5, a bridging column 41 is installed at a level slightly upward from the upper surface of the upper sheet member 2 so as to extend between the lower ends of the pair of column parts 40 of the U-shaped support member 13. At this time, a groove 42 having a semicircular cross section is formed on the protrusion 18 provided on the auxiliary surface material 17, and when the auxiliary surface material 17 is laid down on the upper sheet member 2, the struts 41 fit into the groove 42. ing.

In this state, the auxiliary surface material 17 serves as a sketching board for a person sitting on the lower seat member 3.

Needless to say, since the struts 41 are engaged in the grooves 42, the auxiliary surface material 17, that is, the sketching board, will not move by itself. On the other hand, if the auxiliary surface material I7 is lifted as shown by the imaginary line in FIG.
Since it separates from 1, the auxiliary surface material 17
can be used as the back of a chair.

Effects of the Invention As is clear from the above description, the present invention provides a chair that has a simple structure and is suitable for multiple purposes. That is, the auxiliary surface material can be used not only as a sketching board, but also as the back of a chair, and even when used as a sketching board, it can be set to a desired angle of 111 degrees.

[Brief explanation of the drawing]

Figure 1 is a side view of the furniture in the folded state seen from one direction, Figure 2 is a side view of the furniture shown in Figure 1 seen from the other direction, and Figure 3 is the furniture in the assembled state. 4 is a plan view of FIG. 3, and FIGS. 5 and 6 are a partial plan view and a side view of the auxiliary surface member of the furniture. 2... Upper sheet member, 3... Lower sheet member, 4
...Supporting material, 17...Auxiliary surface material, 21
．． 22...Frame, 30.31...Clip Patent Applicant: African Challenge Acceptances, Inc. Representative Patent Attorney, Hajime Aoyama, and 2 others Figure 3 Figure 4

Claims (1)

[Claims] 1. Sheet member (2) (3) supported by support member (4)
and a first position substantially parallel to the seat members (2)(3), and a second position forming a backrest portion of the seat members (2)(3). A chair-like furniture comprising an auxiliary surface material (17) that is detachably supported on the other hand. 2. The above sheet member consists of an upper sheet member (2) and a lower sheet member (3), and the upper and lower sheet members (
2) The furniture according to claim 1, wherein during use, the furniture pieces are arranged parallel to each other, spaced apart in the vertical direction, and adjacent to each other in the horizontal direction. 3. The auxiliary surface material (17) is the lower sheet member (3)
located at the farthest position and at the end of the upper sheet member (2), which is one end of the furniture;
3. Furniture according to claim 2, wherein the first position of 7) is located parallel to the top sheet member (2). 4. The auxiliary surface material (17) is the upper sheet member (2)
At the backrest position, the protrusion (1) provided on the bottom edge of the auxiliary surface material (17)
8) in the receiving groove (12) formed in the upper sheet member (2).
4. Furniture according to claim 3, characterized in that the auxiliary surfacing (17) is located on a support member (13) fixed to the upper sheet member (2) with the rear part thereof. 5. The support member (13) is configured to be movable between an upright position relative to the upper sheet member (2) and a folded position in which it is folded adjacent to the upper sheet member (2). furniture. 6. The seat support (4) comprises a pair of flat frames (21, 22) hinged to each other, the frames (21, 22) are arranged in a folded position in which they are approximately parallel, and in an end portion. 6. The furniture according to claim 1, wherein the furniture is configured to be movable between the folded position and the unfolded position forming a pair of legs having an X shape. 7. Each frame (21) (22) has a substantially parallel lower base part (23) and upper seat support part (24) (
25), the base part (23) is positioned on the installation surface, and the seat support part (25) of one frame is rotatably attached to the upper seat member (2), and the base part (23) is attached to the seat support part (24). The lower seat member (3) is removably engaged with the clip (31), and is rotatably attached to the lower seat member (3) to the seat support portion (24) of the other frame, and the seat support portion (25 7. The furniture according to claim 2, wherein the upper sheet member (2) can be removably engaged with the upper sheet member (2) by means of a clip (30).