JPH0286357U

JPH0286357U -

Info

Publication number: JPH0286357U
Application number: JP16749988U
Authority: JP
Priority date: 1988-12-23
Filing date: 1988-12-23
Publication date: 1990-07-09
Also published as: JPH0450841Y2

Description

[Brief explanation of drawings]

第１図は本考案の椅子の代表的実施例を示す縦
断側面図、第２図は同じく要部の分解斜視図、第
３図は本考案により構成した回転椅子の斜視図、
第４図は同じくパイプ椅子の斜視図である。１：フレーム、２：背凭れ杆、３：座受、４：
側板、５：支持板、６：支持孔、７：支持孔、８
：支持孔、９：底板、１０：脚台、１１：背凭れ
板、１２：下端部、１３：通孔、１４：通孔、１
５：上板、１６：座板、１７：側板、１８：通孔
、１９：通孔、２０：開口、２１：連結部材、２
２：孔、２３：固定支軸、２４：遊動支軸、２５
：連結部材、２６：孔、２７：固定支軸、２８：
遊動支軸、２９：案内部材、３０：側壁、３１：
スライド長孔、３２：凹溝、３３：移動部材、３
４：ピン、３５：リンク部材、３６：孔、３７：
案内棒、３８：連結管、３９：貫通孔、４０：遊
動支軸、４１：案内孔、４２：圧縮コイルばね、
４３：凹陥部、４４：後板。 FIG. 1 is a vertical side view showing a typical embodiment of the chair of the present invention, FIG. 2 is an exploded perspective view of the main parts, and FIG. 3 is a perspective view of a rotating chair constructed according to the present invention.
FIG. 4 is a perspective view of the pipe chair as well. 1: Frame, 2: Backrest lever, 3: Seat support, 4:
Side plate, 5: Support plate, 6: Support hole, 7: Support hole, 8
: Support hole, 9: Bottom plate, 10: Leg stand, 11: Backrest plate, 12: Lower end, 13: Through hole, 14: Through hole, 1
5: Upper plate, 16: Seat plate, 17: Side plate, 18: Through hole, 19: Through hole, 20: Opening, 21: Connecting member, 2
2: Hole, 23: Fixed spindle, 24: Floating spindle, 25
: Connecting member, 26: Hole, 27: Fixed support shaft, 28:
floating support shaft, 29: guide member, 30: side wall, 31:
Slide long hole, 32: Concave groove, 33: Moving member, 3
4: Pin, 35: Link member, 36: Hole, 37:
Guide rod, 38: connecting pipe, 39: through hole, 40: floating support shaft, 41: guide hole, 42: compression coil spring,
43: concave portion, 44: rear plate.

Claims

[Scope of utility model registration request]

The backrest lever is attached to a supporting plate extending upward at the rear end of both sides of the frame, which has an upwardly opening U-shaped cross section that can be attached to a footrest, and is rotatable on a fixed support shaft with the lower end left open. At the same time, the front and rear parts of the frame and the front and rear parts of the seat support positioned on the frame are linked and connected by connecting members tilted rearward, and a long slot for sliding in the front and rear direction is provided in the center of the frame. At the same time as fixing a guide member having
A pin protruding from the movable member is inserted into the elongated slide hole so that the movable member can be moved back and forth, and one end of the link member is pivoted to the front portion of the seat support, and the other end is pivoted to the appropriate position of the movable member. At the same time, the proximal end of the guide rod is pivotally supported at the lower end of the backrest rod, and the tip thereof is inserted into a guide hole penetrating the moving member in the front-rear direction, and the guide rod is wound around the guide rod in a compressed state and attached to the backrest rod. A compression coil spring is interposed between the lower end of the chair and the movable member, a backrest plate is attached to the backrest rod, and a seat plate is attached to the seat support.