US PATENT SUBCLASS 160 / 322
.~.~.~ With compensating and shock absorbing spring

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


160 /   HD   FLEXIBLE OR PORTABLE CLOSURE, PARTITION, OR PANEL

238  DF  ROLL TYPE {12}
309  DF  .~ With rotating means {5}
319  DF  .~.~ Strand {3}
322.~.~.~ With compensating and shock absorbing spring

DEFINITION

Classification: 160/322

(under subclass 319) Roll type devices in which a spring is provided which compensates for the uneven rate of winding of the fabric or absorbs shocks due to suddenly applied force tending to change the speed of the roll.