US PATENT SUBCLASS 248 / 578
.~.~ Adjusting means coaxial of coil spring

Current as of: June, 1999
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248 /   HD   SUPPORTS

560  DF  RESILIENT SUPPORT {16}
575  DF  .~ Adjustable preloading of resilient means {2}
578.~.~ Adjusting means coaxial of coil spring

DEFINITION

Classification: 248/578

Adjusting means coaxial of coil spring:

(under subclass 575) Structure wherein the spring is a coil spring and the adjusting means is coaxial therewith.