US PATENT SUBCLASS 57 / 58.79
.~.~.~.~ Friction type

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

1 R  DF  APPARATUS AND PROCESSES {45}
58.49  DF  .~ Unitary multiple twist devices {8}
58.72  DF  .~.~ With package control means {4}
58.78  DF  .~.~.~ Gear {1}
58.79.~.~.~.~ Friction type

DEFINITION

Classification: 57/58.79

(under subclass 58.78) Means in which the gearing is of the friction type.

SEE OR SEARCH CLASS

476, Friction Gear Transmission Systems or Components, for frictional gear transmissions.