JPH0387340U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の椅子の第一実施例の側面図、
第２図は同じく着座状態の側面図、第３図は本考
案の椅子の第二実施例の側面図、第４図は同じく
着座状態の側面図である。 １……固定部材、２……座受、３……リンク部
材、４……規制部材、５……背凭れ杆、６……脚
台、７……座板、８……圧縮コイルばね、９……
圧縮コイルばね、１０……背凭れ板、１１……側
板、１２……固定支軸、１３……側板、１４……
遊動支軸、１５……支持板、１６……案内棒、１
７……支軸、１８……長円孔、１９……支軸、２
０……支軸、２１……基部、２２……支杆、２３
……水平杆、２４……斜杆、２５……長孔、２６
……案内支軸。 FIG. 1 is a side view of the first embodiment of the chair of the present invention;
FIG. 2 is a side view of the chair in the seated state, FIG. 3 is a side view of the second embodiment of the chair of the present invention, and FIG. 4 is a side view of the chair in the seated state. DESCRIPTION OF SYMBOLS 1... Fixed member, 2... Seat support, 3... Link member, 4... Regulating member, 5... Backrest lever, 6... Leg stand, 7... Seat plate, 8... Compression coil spring, 9...
Compression coil spring, 10... Backrest plate, 11... Side plate, 12... Fixed support shaft, 13... Side plate, 14...
Floating support shaft, 15... Support plate, 16... Guide rod, 1
7... Support shaft, 18... Oblong hole, 19... Support shaft, 2
0... Support shaft, 21... Base, 22... Support rod, 23
...Horizontal rod, 24 ... Oblique rod, 25 ... Long hole, 26
...Guidance shaft.

Claims (1)

【実用新案登録請求の範囲】 １ 脚台に取付ける固定部材と、 上面に座板を取付け、着座者の座位基準点より
前方位置を一端を前記固定部材の前端部に枢着し
たリンク部材の他端に枢着するとともに、後部の
枢着点と前記固定部材間及び前部のリンク部材間
にそれぞれ圧縮コイルばねを介装してなる座受と
、 前記固定部材と座受の前端部間に設け、設定以
上の両部材の離間を制限する規制部材と、 上端に背凭れ板を取付け、基部を前記座受に関
係づけて設けた背凭れ杆と、 よりなることを特徴とする椅子。 ２ 前記背凭れ杆を座受に固定してなる実用新案
登録請求の範囲第１項記載の椅子。 ３ 前記背凭れ杆の基部を前記リンク部材と同じ
位置で前記座受に枢着するとともに、該枢着部か
ら前下方へ延設した背凭れ杆の先端部を前記固定
部材に形成した略水平な長孔に前後遊動可能に軸
着してなる実用新案登録請求の範囲第１項記載の
椅子。[Scope of Claim for Utility Model Registration] 1. A fixing member attached to a leg base, a link member having a seat plate attached to its upper surface, and having one end pivoted to the front end of the fixing member at a position forward of the seated person's sitting position reference point. a seat support that is pivotally attached to the end and has compression coil springs interposed between the rear pivot point and the fixed member and between the front link member; and between the fixed member and the front end of the seat support. 1. A chair comprising: a regulating member for restricting the distance between the two members beyond a predetermined distance; and a backrest rod having a backrest plate attached to its upper end and a base connected to the seat support. 2. The chair according to claim 1, wherein the backrest rod is fixed to a seat support. 3. The base of the backrest rod is pivotally connected to the seat support at the same position as the link member, and the tip of the backrest rod extending forward and downward from the pivoting portion is formed on the fixing member. The chair according to claim 1, which is a registered utility model, and is pivoted in a long hole so as to be movable back and forth.