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.

Date of Patent:
Apr. 03, 2007

Filed:

Sep. 09, 2005
Applicants:

Robert M. Ford, Troy, MI (US);

John P. Manfreda, Sterling Heights, MI (US);

Mark J. Woloszyk, Sterling Heights, MI (US);

Shawn P. Haley, West Bloomfield, MI (US);

Inventors:

Robert M. Ford, Troy, MI (US);

John P. Manfreda, Sterling Heights, MI (US);

Mark J. Woloszyk, Sterling Heights, MI (US);

Shawn P. Haley, West Bloomfield, MI (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 1/22 (2006.01); B66F 7/21 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method and device for detecting the stroke limit of an electric motor-driven jack while the jack is being used to adjust the attitude of a mobile platform. A controller is programmed to detect when an electric jack motor has driven a jack to a jack stroke limit by monitoring one or more jack motor power draw characteristics and comparing those values to known values associated with the driving of a jack at or near the end of a jack stroke.


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