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, 2010
Filed:
Oct. 26, 2006
Jeffrey J. Krieger, Mukwonago, WI (US);
Joel C. Bragg, Waterford, WI (US);
James D. Spors, West Allis, WI (US);
Michael K. Hintz, Waukesha, WI (US);
Michael S. Osvatic, Waukesha, WI (US);
Kenyon A. Hapke, Libertyville, IL (US);
Jeffrey J. Krieger, Mukwonago, WI (US);
Joel C. Bragg, Waterford, WI (US);
James D. Spors, West Allis, WI (US);
Michael K. Hintz, Waukesha, WI (US);
Michael S. Osvatic, Waukesha, WI (US);
Kenyon A. Hapke, Libertyville, IL (US);
Illinois Tool Works, Inc., Glenview, IL (US);
Abstract
An electrical linear actuator employs a reversible motor driving a helical wire spring. The coils of the spring engage a follower that moves along the axis of the spring with rotation of the motor to provide linear motion. This actuator may be used as a linear drive in an appliance lock.