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. 19, 2001
Filed:
Dec. 15, 1999
Applicant:
Inventors:
David Michael McGuire, Birch Run, MI (US);
David Lynn Ehle, Lapeer, MI (US);
Assignee:
Delphi Technologies, Inc., Troy, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16D 1/308 ;
U.S. Cl.
CPC ...
F16D 1/308 ;
Abstract
A wrap spring clutch (,) including an input side rotating member (,), an output side rotating member (,), a pole piece (,) containing a cylindrical center bore (,), a coil spring (,) having a first end (,), a second end (,), an outer diameter (,A) and an inner diameter (,B), an end frame (,) and a switch element (,). The cylindrical center bore (,) maintains the outer diameter (,A) of the coil spring (,) thereby minimizing variations in the performance of the wrap spring clutch (,) and reducing the cost and difficulties associated with the manufacture and assembly of known designs.