Lever-type cam follower
AssigneeIna Walzlager Schaeffler oHG
InventorWalter Speil
Life of this patent
Estimating the term…
Abstract
A lever-type cam follower (1) of a thin-walled material like sheet metal is proposed. It has a simply structured valve stem guidance in the region of one of its ends (5). The guidance comprises a separate securing element (6) with a basically U-shaped cross-section. A web (9) of the securing element (6) bears against a crossbeam (3) of the cam follower (1) and possesses an opening (11), for example punched, for receiving a valve stem.
Claims11
A lever-type cam follower (1) made of thin-walled material like sheet metal, for a valve train of an internal combustion engine, comprising two parallel side walls (2) connected by a crossbeam (3), an underside (10) of the crossbeam (3) having at one end (5), a separate securing element (6) comprising two cheeks (16) that are parallel to the side walls (2) for laterally guiding a gas exchange valve, the crossbeam (3) comprising an aperture (13) having a crossbar (12) oriented toward the securing element (6), wherein the securing element (6) has a U-like geometry in which a web (9) that connects opposing legs (7, 8) of the securing element (6) bears against the underside (10) of the crossbeam (3) and comprises an opening (11) in which the gas exchange valve can be guided, the cheeks (16) are formed on the opening (11), and as viewed in a longitudinal direction of the cam follower (1), the legs (7, 8) are situated behind one another, one leg (7) extending into the aperture (13) is retained on the crossbar (12) and the other leg (8) is retained in the region of an end (14) of the cam follower (1) on the one end (5).
Dependencies are inferred from the claim text.