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:
Jun. 13, 2006
Filed:
Dec. 05, 2002
Applicants:
Shinichiro Koshikawa, Yokaichiba, JP;
Kazuyoshi Oshima, Naruto-machi, JP;
Inventors:
Shinichiro Koshikawa, Yokaichiba, JP;
Kazuyoshi Oshima, Naruto-machi, JP;
Assignee:
Sugatsune Kogyo Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E05F 1/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A pair of projection elementsare formed on the opposite sides of an inner link. Each projection elementis formed with a cutout recess. A fitting shaft part, which is formed on each end of an abutment shaft, is inserted into the cutout recessthrough an open part thereof and turnably fitted to a bottom part of the cutout recess. A second abutment partof a coiled springis abutted with an enlarged-diameter partof the abutment shaft. The abutment shaftis biased towards the bottom side of the cutout recessfrom the open part side thereof by the coiled spring