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:
Sep. 08, 1998
Filed:
Jan. 07, 1997
Ryokichi Yamazaki, Tokyo, JP;
Kabushiki Kaisha Kotobuki, Tokyo, JP;
Abstract
Disclosed is a turning mechanism for a chair seat which comprises a shaft having a square cross section and fixed to the leg of a chair having a seat, a spring disposed to the shaft with an end thereof locked to the shaft and the other end thereof engaged so as to be associated with the turning of the seat of the chair, a stopper inserted into and engaged with the shaft through a square hole defined at the center thereof, a stopper receiver having abutting portions formed thereto and abutted against projections formed to the stopper, a first bush inserted into and engaged with the shaft through a square hole defined at the center thereof; and a second bush inserted into and engaged with the shaft through a square hole defined at the center thereof, wherein the first bush, the stopper and the second bush are contained in the stopper receiver. With this arrangement, there is provided a compact turning mechanism for a chair seat which is lingt in weight and small in size and can reduce an assemblying job.