US PATENT SUBCLASS 123 / 90.67
.~.~ Seat and retainer

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

90.1  DF  POPPET VALVE OPERATING MECHANISM {19}
90.65  DF  .~ Spring {2}
90.67.~.~ Seat and retainer

DEFINITION

Classification: 123/90.67

(under subclass 90.65) Device wherein means is provided for receiving the fixed end portion of a spring element and/or for retaining the other end portion thereof in engagement with a valve or its operating mechanism.

SEE OR SEARCH THIS CLASS, SUBCLASS:

90.28+, for a spring seat or a retainer comprising a portion of a device having to do with nonvalving motion of a valve.