Internal combustion engine with overhead valve mechanism

Claim 1

An internal combustion engine comprising in combination: an engine block having a bank of aligned cylinders; a cylinder head fixedly mounted on said engine block; manually controlled lash adjusters, each having upper and lower ends, said lower ends being mounted on said cylinder head; rocker arms, each having one end in operative engagement with the upper end of a lash adjuster; valve means operatively connected to the other end of each rocker arm for actuation thereby and being movably supported in said cylinder head; an elongated rocker cover means mounted on said cylinder head; a plurality of bearing members formed on the inner wall of said rocker cover means; an overhead mounted camshaft rotatably journaled in said bearing members and having a plurality of cams, each engaging one of said rocker arms for actuation thereof; means for rotatably driving said camshaft; said rocker cover means including an elongated opening formed on the lash adjuster side of said rocker cover means, said side opening providing access for adjustment of said manually controlled lash adjusters; an additional opening formed at the forward end of said rocker cover means, inclined at an angle to the axis of said camshaft and overlaying said camshaft drive means, said inclined opening providing access for the assembly, adjustment and disassembly of said camshaft and said camshaft driving means; and an inclined mounted cover removably mounted over said inclined opening.