F - Mech Eng,Light,Heat,Weapons – 01 – L
Patent
F - Mech Eng,Light,Heat,Weapons
01
L
123/197
F01L 1/18 (2006.01)
Patent
CA 1096254
ABSTRACT OF THE DISCLOSURE A rocker arm and a method of making the same are provided. In one form, the rocker arm is of the wrap-around type in which a metal sheet is appropriately symmetrically shaped and is then bent back on itself on the line of symmetry at which one end of the rocker are body is formed. The two halves are then affixed togather by projection welding or the like. The rocker arm has two diverging, downwardly-extending walls formed at the one end of the body with a separate socket member the resistance welded to the walls. The socket member has a central oil opening which supplies oil to a push rod from an oil passage in the rocker arm body. This passage, in turn, communicates with an oil supply passage in a shaft on which the rocker arm is rotatably supported through a hole in a bearing sleeve carried by the rocker arm body. A second, separate passage communicates with the other end of the rocker arm and with the oil supply passage in the shaft through a separate hole in the bearing sleeve. In another form, the rocker arm is made from two separate halves which are again affixed together by projection welding or the like. In this instance, the socket is integrally formed in the two halves by coining. In a third form, the rocker arm is made by the wrap-around technique with the socket being integrally formed in the two halves by coining. This combination enables the socket to be continuous and seamless around the outer end portion.
298364
Krassov Chas.
Toledo Stamping & Manufacturing Company
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