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. 15, 2009
Filed:
Oct. 31, 2006
David P. Smith, Reddick, IL (US);
Eric R. Lauterbach, Joliet, IL (US);
Daniel T. Mather, Lockport, IL (US);
Jonathan L. Buelow, Woodridge, IL (US);
David P. Smith, Reddick, IL (US);
Eric R. Lauterbach, Joliet, IL (US);
Daniel T. Mather, Lockport, IL (US);
Jonathan L. Buelow, Woodridge, IL (US);
Caterpillar Inc., Peoria, IL (US);
Abstract
A sprag is disclosed. The sprag is configured to operate in a first mode allowing substantially mutual rotation of inner and outer races about an axis and a second mode allowing relative rotation between the inner and outer races. The sprag includes at least one actuator configured to selectively extend and retract and an outer surface configured to selectively lock the inner and outer races together as a function of the at least one actuator selectively extending.