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:
Nov. 20, 2012
Filed:
Jul. 09, 2010
Robert Heinemann, Weisendorf, DE;
Robert Heinemann, Weisendorf, DE;
Schaeffler Technologies AG & Co. KG, Herzogenaurach, DE;
Abstract
A switchable finger lever () for a valve train of an internal combustion engine is provided. The finger lever includes an inner lever () with a U-shaped cross-section having, on one end (), outer arms () which are made separately from each other and are pivotable relative to the inner lever (). The outer arms extend, while flanking outer walls () of the inner lever (), in a direction of the other end (), and have on upper sides (), running surfaces () for high-lift cams. A support () having integrally connected lateral guide tabs () for at least one gas exchange valve extend on an underside () of a crossbar () of the inner lever () in a vicinity of the one end (). An insert () having a contact surface () for a head of a support element is installed on the another end () between side walls () of the inner lever (), and has a coupling slide () for an optional connection of the outer arms () to the inner lever (). At least one resetting spring () is clamped between the inner lever () and the outer arms () in the region of the other end (), and at least one of the inner lever (), alone, or the inner lever () and the outer arms () are made of thin-walled sheet metal.