US PATENT SUBCLASS 19 / 280
.~.~.~.~.~.~ With pressure-adjusting means

Current as of: June, 1999
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19 /   HD   TEXTILES: FIBER PREPARATION

65 R  DF  WORKING {8}
236  DF  .~ Drafting {7}
258  DF  .~.~ Roll type {9}
266  DF  .~.~.~ Pressure-applying devices {9}
278  DF  .~.~.~.~ Applied through saddle {1}
279  DF  .~.~.~.~.~ Spring pressure applying means {1}
280.~.~.~.~.~.~ With pressure-adjusting means

DEFINITION

Classification: 19/280

(under subclass 279) Method or means in which the pressure applied to the roll by the resilient means, directly or indirectly, may be varied.

SEE OR SEARCH THIS CLASS, SUBCLASS:

282, for application of adjustable pressure by spring means in the absence of either a stirrup or saddle.