US PATENT SUBCLASS 102 / 242
.~.~.~.~.~ Spring biased piston

Current as of: June, 1999
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102 /   HD   AMMUNITION AND EXPLOSIVES

200  DF  IGNITING DEVICES AND SYSTEMS {15}
221  DF  .~ Arming devices {2}
222  DF  .~.~ Blocking or interrupting type {7}
237  DF  .~.~.~ Centrifugal operated {3}
239  DF  .~.~.~.~ Latch for impacting device {4}
242.~.~.~.~.~ Spring biased piston

DEFINITION

Classification: 102/242

Spring biased piston:

(under subclass 239) Subject matter in which the latch includes a plurality of members movable by centrifugal force and each acted on by a separate resilient means tending to counteract the centrifugal force.