US PATENT SUBCLASS 29 / 888.2
.~.~ Push rod or rocker arm making


Current as of: June, 1999
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29 /   HD   METAL WORKING

592  DF  METHOD OF MECHANICAL MANUFACTURE {54}
888  DF  .~ Prime mover or fluid pump making {12}
888.2.~.~ Push rod or rocker arm making


DEFINITION

Classification: 29/888.2

Push rod or rocker arm making:

(under subclass 888) Process wherein the manufactured article is (1) a bar or slender shaft which is actuated by a cam to open and shut valves such as in an I.C. engine (2) a lever that is pivoted near its center and is operated at one end by a push rod as defined in (1) which causes the other end of the lever to raise and depress a valve stem such as in an I.C. engine or (3) a part especially adapted for (1) or (2) which is not elsewhere classified.