US PATENT SUBCLASS 384 / 225
.~.~.~.~ Helical coil spring

Current as of: June, 1999
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384 /   HD   BEARINGS

91  DF  ROTARY BEARING {8}
129  DF  .~ Plain bearing {17}
215  DF  .~.~ With resilient mounting member {5}
223  DF  .~.~.~ For thrust bearing {2}
225.~.~.~.~ Helical coil spring

DEFINITION

Classification: 384/225

Helical coil spring:

(under subclass 223) Subject matter wherein the resilient means is a spring where several convolutions of a coil lie in different planes.