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:
Jan. 20, 2009
Filed:
Mar. 21, 2007
Applicants:
David B Grapes, Pittsburgh, PA (US);
Russell J Mayhew, Pittsburgh, PA (US);
Inventors:
David B Grapes, Pittsburgh, PA (US);
Russell J Mayhew, Pittsburgh, PA (US);
Assignee:
W.W. Patterson Company, Pittsburgh, PA (US);
Primary Examiner:
Int. Cl.
CPC ...
B66D 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A manual marine barge winch includes a housing, a winch-line holding drum mounted for rotation on the housing, a winch-line coupled to the drum and adapted to be wound onto and off of the holding drum to tension and pay out the winch, a drum drive for rotating the drum to tension and to pay out the winch line, and at least one winch-line engaging roller adapted to engage the winch line at least during tensioning of the winch. Preferably at least one of the winch line engaging rollers is a powered or driven roller for driving the winch line.