US PATENT SUBCLASS 188 / 282.8
.~.~.~ Spring-loaded valve

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

Internet Version by PATENTEC © 1999      Terms of Use


188 /   HD   BRAKES

266  DF  INTERNAL-RESISTANCE MOTION RETARDER {29}
281  DF  .~ Resistance alters relative to direction of thrust member (e.g., high resistance in one direction, low in the other) {1}
282.1  DF  .~.~ Via valved orifice in thrust member {4}
282.8.~.~.~ Spring-loaded valve {1}
282.9  DF  .~.~.~.~> Adjusting the tension via (a) compressing or expanding or (b) different strength springs

DEFINITION

Classification: 188/282.8

Spring-loaded valve:

(under subclass 282.1) Valved piston in which the size varying element is a generally coiled metal wire having a resiliency.