US PATENT SUBCLASS 57 / 137
.~.~.~ Ring

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

1 R  DF  APPARATUS AND PROCESSES {45}
112  DF  .~ Elements {9}
136  DF  .~.~ Rails, rail guides, and support {1}
137.~.~.~ Ring

DEFINITION

Classification: 57/137

(under subclass 136) Rails especially adapted to support the ring and traveler twisting elements, including mountings, bushings, centering and/or adjusting means for the rails.

(1) Note. Supports for individual rings are in this class, subclasses 122+.