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.:

US 8646153 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 11, 2014

Filed:

Jun. 07, 2010
Applicant:

Tetsuro Nagami, Tokyo, JP;

Inventor:

Tetsuro Nagami, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E05D 11/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

A plate springis subjected to folding at a fold portionto form integrally a plate spring portionand a stress relief portionand a distal end of a rotary shaftis secured to a caulking hole of the stress relief portionby caulking.


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