US PATENT SUBCLASS 57 / 94
.~.~.~ Constant variation

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  DF  .~.~ Speed adjusting {3}
94.~.~.~ Constant variation {2}
95  DF  .~.~.~.~> With traverse controlled variation
96  DF  .~.~.~.~> Fly frame

DEFINITION

Classification: 57/94

(under subclass 93) Driving devices wherein the speed of the machine or part thereof is constantly and continuously varied during one complete cycle of its operation.

(1) Note. The driving device may provide a short interval wherein the speed is at a constant maximum.

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