US PATENT SUBCLASS 160 / 301
.~.~.~ For spring operated roller

Current as of: June, 1999
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160 /   HD   FLEXIBLE OR PORTABLE CLOSURE, PARTITION, OR PANEL

238  DF  ROLL TYPE {12}
291  DF  .~ With brake or stop {8}
300  DF  .~.~ Pawl or detent {1}
301.~.~.~ For spring operated roller {3}
302  DF  .~.~.~.~> Spring urged pawl or detent
303  DF  .~.~.~.~> Pawl or detent mounted off the roller
304.1  DF  .~.~.~.~> Sliding pawl or detent

DEFINITION

Classification: 160/301

(under subclass 300) Roll type devices in which there is a spring operated roller.

(1) Note. Includes freely or loosely mounted detents which move in an unrestrained manner.