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:
Jan. 08, 1991
Filed:
Oct. 16, 1989
Applicant:
Inventor:
Yasuhiro Yamashina, Kanagawa, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23P / ;
U.S. Cl.
CPC ...
29436 ; 29450 ; 29464 ;
Abstract
Two components are interconnected with a helical extension spring. After attaching a helical extension spring to a first component, the spring is stretched to a predetermined length and the first component with the torsion spring maintained stretched at the predetermined length is held as an integral unit in a predetermined relative position to a second component. Thereafter, the first component with the stretched spring is fitted to the second component in a predetermined positional relationship.