US PATENT SUBCLASS 248 / 561
.~ Including disabling means for resilient element

Current as of: June, 1999
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248 /   HD   SUPPORTS

560  DF  RESILIENT SUPPORT {16}
561.~ Including disabling means for resilient element

DEFINITION

Classification: 248/561

Including disabling means for resilient element:

(under subclass 560) Structure comprising means for rendering the resilient means ineffective.

SEE OR SEARCH THIS CLASS, SUBCLASS:

330.1, and 334.1, for a suspended support comprising a spring reel counterbalance means which is normally ineffective when the support is in use.