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:
Apr. 27, 2004
Filed:
Jan. 17, 2002
Applicant:
Inventors:
Richard A. Topping, Jr., Pittsburgh, PA (US);
David B. Grapes, Pittsburgh, PA (US);
Assignee:
W. W. Patterson Company, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66D 5/02 ;
U.S. Cl.
CPC ...
B66D 5/02 ;
Abstract
A manual winch with dual locking dogs is designed to be easily retrofitted into existing winches. The design of the winch includes a housing supporting a rotatable drum upon which the cable is reeved. A pair of gears are attached to the drum with locking dogs that may be independently engaged with each gear, wherein the drum is prevented from unwinding with at least one locking dog engaged with a respective gear.