Cam follower rocker arm

Abstract

A cam follower rocker arm is provided comprising a body with a U-shape cross section with an intermediate opening at the top of the inverted U-shape and having an outside width less then the inside width of the opening, creating a ledge perpendicular to the body side walls. A roller having a peripheral step on both sides to allow the smaller width at the roller periphery to extend into the body opening with the larger width of the roller maintaining a close running clearance of the roller sides to the inside walls of the body when the roller is assembled in the body.

1 . A cam follower rocker arm comprised of a generally U-shaped body having sidewalls with a roller opening joining the sidewalls, a roller with an axle for mounting the roller in the sidewalls of the body at the opening and wherein the body opening is formed with a ledge having a narrower width and perpendicular to the body sidewall and the roller is formed with steps providing a relative small peripheral width to conform with said ledge. 
   
   
       2 . The cam follower of  claim 1  wherein the ledge of the body permits access solely to the smaller width of said roller periphery. 
   
   
       3 . A U-shaped cross section body of  claim 1  with an intermediate window opening that is less then the body inside width creating a ledge perpendicular to the body side walls. 
   
   
       4 . A roller of  claim 1  with a transition on both sides to allow the smaller width to extend into the window of  claim 2  and the larger width to maintain a close clearance to the inside walls of the body of  claim 2 . 
   
   
       5 . An inverted U-shaped cross section body of  claim 1  with an intermediate window opening that is less then the body inside width creating a ledge perpendicular to the body side walls. 
   
   
       6 . A roller of  claim 1  that uses spacers (not shown) on either side of the roller to allow the roller to extend into the window of  claim 2  and the stack-up of the roller and spacers maintain a close clearance to the inside walls of the body of  claim 2 .