US PATENT SUBCLASS 19 / 279
.~.~.~.~.~ Spring pressure applying 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.~.~.~.~.~ Spring pressure applying means {1}
280  DF  .~.~.~.~.~.~> With pressure-adjusting means

DEFINITION

Classification: 19/279

(under subclass 278) Method or means in which solid resilient means supplies the roll pressure.

SEE OR SEARCH THIS CLASS, SUBCLASS:

272, for application of pressure by hydraulic or pneumatic means.

277, for application of pressure by resilient means through a stirrup and saddle.

281+, for application of pressure by resilient means in the absence of either a stirrup or saddle.