JPS6166554U

JPS6166554U -

Info

Publication number: JPS6166554U
Application number: JP15147984U
Authority: JP
Priority date: 1984-10-05
Filing date: 1984-10-05
Publication date: 1986-05-07

Description

[Brief explanation of the drawing]

図面はこの考案回転椅子の実施例を示すもので
あつて、第１図は右側面図、第２図は平面図、第
３図は回転軸付き円板側の拡大斜視図、第４図は
脚管付き受金の拡大斜視図、第５図イ〜ニはシー
トの各位置における転子、レバー及びばねの各状
態を示した説明図である。１…受金、２…脚管、２ａ…テーパ部、３…ハ
ート形凹陥部、４…頂部、５…円弧窪部、６…回
わし孔、７…円板、８…回転軸、８ａ…軸頚部、
９…支版、１０…レバー、１１…転子、１２…枢
軸、１３…ばね、１４…突起、１５…取付板、１
６…案内框、１７…支持金、１８…嵌子、１９…
後壁、２０…突子、２１…ばね、２２…シート、
２３…底板、２４…脚座筒、２５…止ビス。 The drawings show an embodiment of this invented rotary chair, in which Fig. 1 is a right side view, Fig. 2 is a plan view, Fig. 3 is an enlarged perspective view of the disc side with a rotating shaft, and Fig. 4 is an enlarged perspective view of the disk side with a rotating shaft. FIGS. 5A to 5D, which are enlarged perspective views of the receiver with leg tube, are explanatory diagrams showing the states of the trochanter, lever, and spring at each position of the seat. DESCRIPTION OF SYMBOLS 1...Bracket, 2...Legs, 2a...Tapered part, 3...Heart-shaped recessed part, 4...Top part, 5...Circular recessed part, 6...Turning hole, 7...Disc, 8...Rotating shaft, 8a... axial neck,
9... Support plate, 10... Lever, 11... Trochanter, 12... Pivot, 13... Spring, 14... Projection, 15... Mounting plate, 1
6... Guide frame, 17... Support money, 18... Insert, 19...
Rear wall, 20... protrusion, 21... spring, 22... sheet,
23... Bottom plate, 24... Leg seat tube, 25... Stop screw.

Claims

[Scope of utility model registration request]

A support 1 has a heart-shaped shaft center portion provided with a heart-shaped concave portion 3 forming an arcuate recessed portion 5 at the lower bottom portion of the heart-cam shape, and the upper end portion of the leg tube 2 is pierced through the support 1, and a rotating shaft 8 is provided protrudingly. and a disk 7 attached to the lower surface of a seat 22, on which a lever 10 having a trochanter 11 is pivotally attached to a support plate 9 via a spring 13. A rotary chair in which a seat 22 is rotatably installed so that the seat 22 is rotatably inserted and the trochanter 11 is always pressed against the circumferential surface of the heart-shaped recess 3 by the action of a spring 13.