US PATENT SUBCLASS 242 / 373
.~.~ Spring exhibits special torque characteristic

Current as of: June, 1999
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242 /   HD   WINDING, TENSIONING, OR GUIDING

370  DF  REELING DEVICE {11}
371  DF  .~ With spring motor {12}
373.~.~ Spring exhibits special torque characteristic

DEFINITION

Classification: 242/373

Spring exhibits special torque characteristic:

(under subclass 371) Subject matter in which particular significance is attributed to the nature of the spring providing the spring motor with either, (a) a predetermined variable torque, or (b) constant torque over a selected operating range.

SEE OR SEARCH CLASS

267, Spring Devices, particularly

151, 181 for a detail of a spring, per se, or of general use.