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. 01, 1992
Filed:
Jul. 24, 1991
Applicant:
Inventor:
Juji Ojima, Aikawa, JP;
Assignee:
NHK Spring Co., Ltd., Yokohama, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E05F / ;
U.S. Cl.
CPC ...
16306 ; 16 85 ; 16342 ;
Abstract
A hinge device to be used between a rotatable component and a stationary component to work as a pivoting device and to permit a restrained rotation of one component in relation to the other due to a high viscosity grease and the torsional force of a coil spring inserted therein in a predetermined angular range; and subsequently to restrain the rotating speed by means of the high viscosity grease and the coil spring.