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 8789670 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 29, 2014

Filed:

Mar. 01, 2010
Applicants:

John R. Antchak, Aurora, CA;

James W. Dell, Newmarket, CA;

Harvey J. Dix, Thornton, CA (US);

Scott Parsons, Toronto, CA;

Inventors:

John R. Antchak, Aurora, CA;

James W. Dell, Newmarket, CA;

Harvey J. Dix, Thornton, CA (US);

Scott Parsons, Toronto, CA;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16D 3/66 (2006.01); F16D 41/20 (2006.01);
U.S. Cl.
CPC ...
F16D 41/20 (2013.01); F16D 3/66 (2013.01); F16D 41/206 (2013.01);
Abstract

A decoupler having a hub, a drive member and an isolator. The drive member is disposed about the hub for rotation about a rotational axis and includes an inner clutch surface. The isolator couples the hub and the drive member and includes a carrier, a plurality of arcuate springs, and a wrap spring. The carrier is received between the hub and the drive member and includes a carrier member, which defines a pair of apertures, and a pair of reaction blocks that are mounted in the apertures. The arcuate springs are mounted in the carrier member and are disposed between the hub and an associated one of the reaction blocks. The wrap spring has an end and a plurality of helical coils that are engaged to the inner clutch surface of the drive member. The end has an end face that is abutted against one of the reaction blocks.


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