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:
Sep. 27, 2011
Filed:
Oct. 05, 2007
Helmut Engelhardt, Herzogenaurach, DE;
Christian Minner, Herzogenaurach, DE;
Helmut Engelhardt, Herzogenaurach, DE;
Christian Minner, Herzogenaurach, DE;
Schaeffler KG, Herzogenaurach, DE;
Abstract
A cam follower for actuating a gas exchange valve of an internal combustion engine, which has a lifting body cold formed from sheet metal and that forms, on a valve-sided lifting section which has two lateral walls and a first base section connecting the walls, a cross-sectional profile which is open towards the gas exchange valve in a U-shaped manner, and on a joint-sided lifting section that has lateral walls and a second base section connecting the walls, a modifiable cross-sectional profile which is initially open towards the gas exchange valve in a U-shaped manner the U-shape adopting a trough shape that has a protruding annular cavity. The trough shape adjacent to an annular cavity on the side of the valve-sided lifting section is M-shaped and has two free recesses open towards the gas exchange valve and extend respectively between one of the lateral walls and the second base section.