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:
Aug. 29, 2006
Filed:
Jul. 16, 2004
Applicants:
David C Jackson, Jenks, OK (US);
Ike Baldwin, Jenks, OK (US);
Garry Knight, Santa Ana, CA (US);
Simon Worboys, Santa Ana, CA (US);
Inventors:
David C Jackson, Jenks, OK (US);
Ike Baldwin, Jenks, OK (US);
Garry Knight, Santa Ana, CA (US);
Simon Worboys, Santa Ana, CA (US);
Assignee:
Tulsa Winch, Inc., Jenks, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66D 1/48 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and apparatus for indicating when only a given minimum preset number of winding layers are present on a drum of a winch. An optical sensor system is included in a space in a hollow housing to count the number of revolutions of the drum and the direction of rotation to produce an alarm signal when only the minimum number of winding layers remains on the drum.