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:
Nov. 22, 2011
Filed:
Oct. 10, 2008
Applicant:
Chia-han Lin, Sinjhuang, TW;
Inventor:
Chia-Han Lin, Sinjhuang, TW;
Assignee:
Jarllytec Co., Ltd., Sinjhuang, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E05D 11/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention discloses a hinge structure with changeable frictional faces, comprising a spindle socketingly disposed with a first enclosing part and a second enclosing part with the openings of the first and second enclosing parts pointing to the same direction to change the frictional face for torsion from the second enclosing face to the first enclosing part and thus to extend the service life and further to form a frictional face with four steps of different torsions to meet the demands of customers.