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:
Oct. 15, 2013
Filed:
Dec. 01, 2010
Travis Thomas Petry-johnson, Peoria, IL (US);
Philip Christopher Millward, Novi, MI (US);
Ryan Michael Heinbuch, Novi, MI (US);
Travis Thomas Petry-Johnson, Peoria, IL (US);
Philip Christopher Millward, Novi, MI (US);
Ryan Michael Heinbuch, Novi, MI (US);
Caterpillar Inc., Peoria, IL (US);
Abstract
In one aspect, a machine includes an engine supported on a machine body. The engine includes a housing and a gear train that includes a crank gear meshed with a cam gear that is meshed with at least one powered gear. The cam gear is attached to a cam shaft by a drive coupler. The cam shaft is rotationally supported in the housing on a plurality of bearings, and the cam gear is rotationally supported on a stub shaft with an inner surface that is out of contact with the cam shaft. The stub shaft is attached to the housing of the engine.