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. 31, 1978
Filed:
Sep. 01, 1976
Applicant:
Inventors:
Seii Miyakawa, Yokohama, JA;
Takashi Kobayashi, Fujisawa, JA;
Masaya Kishi, Kamakura, JA;
Kenji Ogiro, Yokohama, JA;
Assignee:
Hitachi, Ltd., , JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23P / ;
U.S. Cl.
CPC ...
29227 ;
Abstract
An apparatus for mounting or fitting a tension coil spring onto spring retaining members of an article, said apparatus being adapted to restrain said spring at its both hook ends so that it may be stretched as it is conveyed from a supplying position to a mounting position, and to relieve the spring at said mounting position to allow the spring to shrink so that the spring may be delivered to the retaining members to be retained thereat.
Miyakawa, Seii. (1978). Apparatus for mounting tension coil spring onto article (U.S. Patent No. 4070743). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4070743
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile