The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 30, 2005
Filed:
May. 21, 2003
Toshiyuki Horiki, Nagano, JP;
Nobuyuki Ueda, Osaka, JP;
Toshiyuki Horiki, Nagano, JP;
Nobuyuki Ueda, Osaka, JP;
Kokuyo Co., Ltd., Osaka, JP;
Abstract
The chair comprises an axis Xthat extends right and left and that connects a seatand a supporting bodyarranged under the seatin a rotatable manner at a front end portion of the seat framean axis Xthat connects the seatand a backrestin a rotatable manner at a rear side to the axis Xand an axis Xthat connects the backrestand the supporting bodyin a rotatable manner, and the seat and the backrest are made to make a rocking movement between an upright posture and a rearward tilted posture with synchronizing the seat and the backrest by adopting an arrangement of a sliding engagement structure to a supporting portion of the axis, and the chair is also provided with a restraining member Bto restrain a sliding range of the axis Xvariably by directly working the axis Xto be restrained, an operating member Bto operate the restraining member Ba transmitting axis Bto transmit an operating force of the transmitting member Bto the restraining member Band a click stop mechanism Bto fix the restraining member Bat a recessed position (p) where the sliding range of the axis Xis not restrained or one of a plurality of the restraining positions (q), (q), (q) where the sliding range of the axis Xis restrained.