JPS61107334U

JPS61107334U -

Info

Publication number: JPS61107334U
Application number: JP19424584U
Authority: JP
Priority date: 1984-12-20
Filing date: 1984-12-20
Publication date: 1986-07-08

Description

[Brief explanation of drawings]

図は本考案の実施例を示すもので、第１図は１
実施例の斜面図、第２図はそのベース部を示す平
面図、第３図は座者が後傾したときの使用状態を
示す側面図、第４図は座者がさらに後傾したとき
の使用状態を示す側面図、第５図は摺動部の詳細
を分解された周辺部分と共に示す斜面図、第６図
は他の例の１部を示す側面図、第７図はさらに他
の例の１部を示す側面図である。１…椅子、２…フレーム（支持体）、３，３Ａ
，３Ｂ…摺動部、４…座部、５…背もたれ部、２
０…ベース部、２４…主軸、２５…副脚、５０…
支持軸、５１…背もたれ板、２５０…ロツド、２
５１…連結部材。 The figure shows an embodiment of the present invention.
FIG. 2 is a plan view showing the base portion of the embodiment, FIG. 3 is a side view showing the state of use when the seater is leaning back, and FIG. 4 is a view when the seater is leaning further back. Fig. 5 is a side view showing the state of use, Fig. 5 is a perspective view showing details of the sliding part along with disassembled peripheral parts, Fig. 6 is a side view showing a part of another example, and Fig. 7 is yet another example. It is a side view showing a part of. 1...Chair, 2...Frame (support body), 3, 3A
, 3B...Sliding part, 4...Seat part, 5...Backrest part, 2
0...Base part, 24...Main shaft, 25...Secondary leg, 50...
Support shaft, 51... Backrest plate, 250... Rod, 2
51...Connection member.

Claims

[Claims for Utility Model Registration] A support body having a base portion that comes into contact with the installation surface during installation, a seat portion, a sliding portion interposed between the support body and the seat portion, and a sliding portion supported by the support body. a backrest portion, the sliding portion guides and supports the seat portion so that it can slide in the front and back direction of the sitter with respect to the support body, and the backrest portion extends from the waist of the sitter to the back of the sitter. a support shaft that is supported by the support body and extends in the horizontal direction at a position corresponding to any height up to the top; a backrest plate that can rotate on the support shaft as the seater's upper body tilts backward; The base portion includes main legs extending radially from the center of the seat below the seat, and a pair of adjacent secondary legs attached at least at the rear of the chair. The secondary legs include two rods, one end of each rod is pivotally supported by each tip of the pair of main legs, and the other end is connected so as to be able to approach and separate from the pair of main legs. The secondary leg can be taken in and out between a position stored between the main legs and a position protruding from between the main legs, and when the secondary legs are protruded, the rear end portion of the secondary leg is lower than the backrest support shaft. A reclining chair, characterized in that the rear part is in contact with the installation surface. 2. The reclinable chair according to claim 1, wherein the seat portion can be fixed to prevent sliding if necessary. The reclining chair according to claim 1 or 2, wherein the backrest plate can be fixed so as not to rotate as required. Practical use characterized in that, when the secondary legs are projected from between the pair of main legs, the rear end portions are in contact with the installation surface at a position of 5 cm to 20 cm behind the backrest support shaft. An adjustable chair according to claim 1, 2, or 3 of the patent claims.