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. 14, 2010
Filed:
Mar. 05, 2008
Rodney K. Elnick, Washington, MI (US);
Ronald Jay Pierik, Holly, MI (US);
Rodney K. Elnick, Washington, MI (US);
Ronald Jay Pierik, Holly, MI (US);
GM Global Technology Operations, Inc., Detroit, MI (US);
Abstract
A rocker arm assembly includes a lever body having a first end defining a pivot point, a second end for engagement with a valve train and a central opening extending therethrough. An eccentric bearing is received in the central opening, the eccentric bearing having an eccentric opening therein. The eccentric opening having at least one thrust absorbing key extending radially inward from a surface of the eccentric opening. An eccentric pivot shaft is supported by the eccentric bearing, the eccentric pivot shaft including at least one radially inwardly extending slot located and sized to receive the at least one thrust absorbing key in an assembled position. A first cam follower is disposed on the eccentric bearing and second and third cam followers are each disposed on opposite ends of the eccentric pivot shaft.