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:
Dec. 14, 2010
Filed:
Apr. 05, 2007
Applicants:
Oliver Heravi, Tigard, OR (US);
Brent Nasset, Salem, OR (US);
Ty Hargroder, Portland, OR (US);
Inventors:
Assignee:
Warn Industries, Inc., Milwaukie, OR (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66D 1/50 (2006.01);
U.S. Cl.
CPC ...
Abstract
A portable pulling tool is provided including an integrally formed one-piece gear case for positioning all of the gear train components. The gear train includes a combination of helical gears and a differential planetary gear unit in a unique configuration. A motor control system is provided to automatically shut off the motor when a predetermined current load is detected. A multi-segment LED is provided to indicate to the user the amount of load that is being applied.