US PATENT SUBCLASS 476 / 66
.~ Coil spring

Current as of: June, 1999
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476 /   HD   FRICTION GEAR TRANSMISSION SYSTEMS OR COMPONENTS

65  DF  SPRING URGES CONTACTING GEARS INTO ENGAGEMENT {1}
66.~ Coil spring

DEFINITION

Classification: 476/66

Coil spring:

(under subclass 65) Subject matter wherein said resilient member is a helically coiled wire. [figure]