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 8448297 B1

PDF
Full Text
Expired
Date of Patent:
May. 28, 2013

Filed:

Jun. 28, 2010
Applicant:

Ching-yao Chen, Kueishan Hsiang, TW;

Inventor:

Ching-Yao Chen, Kueishan Hsiang, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E05C 17/64 (2006.01);
U.S. Cl.
CPC ...
Abstract

A hinge includes a pivot shaft, and a knuckle member unit formed of a stack of knuckle members and pivotally coupled to the pivot shaft. Each knuckle member has a flat mounting base and a shackle that has its one end extended from the flat mounting base and pivotally coupled to the pivot shaft and its other end spaced from the flat mounting base by a gap. The knuckle members are arranged in a stack in such a manner that one of each two adjacent knuckle members has the gap thereof disposed at one lateral side and the other of each two adjacent knuckle members has the gap thereof disposed at an opposing lateral side.


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