US PATENT SUBCLASS 123 / 90.49
.~.~ Cushion and silencer

Current as of: June, 1999
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123 /   HD   INTERNAL-COMBUSTION ENGINES

90.1  DF  POPPET VALVE OPERATING MECHANISM {19}
90.48  DF  .~ Tappet {4}
90.49.~.~ Cushion and silencer

DEFINITION

Classification: 123/90.49

(under subclass 90.48) Device wherein the tappet element includes a nonmetallic insert or yieldable clearance take-up means to soften and/or reduce the noise of its transmitting of motion.