Rocker arm with cam-contacting roller

Details Rocker arm with cam-contacting roller Rocker arm with cam-contacting roller

B - Operations, Transporting

23

P

123/197

B23P 15/00 (2006.01) F01L 1/18 (2006.01)

Patent

CA 1329524

ABSTRACT OF THE DISCLOSURE A one-piece, cold-formed rocker arm of the cam follower type is provided. The rocker arm includes a one-piece metal body cold-formed from a metal blank and being of inverted U-shaped cross section substantially throughout its length. The body has a top wall with depending, structurally integral side walls. An intermediate, convex portion of the top wall has a rectangular opening therein exceeding therethrough. A cam-contacting roller is rotatably mounted on an axle carried by the side walls below the rectangular opening. The roller has a circumferential surface extending upwardly through and beyond the rectangular opening to engage a cam. The rocker arm body has a rounded recess formed at one end portion to receive a lifter post on which the rocker arm can pivot. The body has an additional recess at another end portion to receive an end of a valve stem. -2-

521896

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