US PATENT SUBCLASS 57 / 93
.~.~ Speed adjusting

Current as of: June, 1999
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57 /   HD   TEXTILES: SPINNING, TWISTING, AND TWINING

1 R  DF  APPARATUS AND PROCESSES {45}
92  DF  .~ Driving {6}
93.~.~ Speed adjusting {3}
94  DF  .~.~.~> Constant variation {2}
97  DF  .~.~.~> Drawing rollers
98  DF  .~.~.~> Traverse controlled variation

DEFINITION

Classification: 57/93

(under subclass 92) Driving devices provided with means to adjust or vary the speed at which the machines or parts thereof operate.

(1) Note. For strand feeding means having speed variation for irregular feeding, see this class, subclass 91.