US PATENT SUBCLASS 267 / 111
.~.~ Panel secured to tension frame inwardly


Current as of: June, 1999
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267 /   HD   SPRING DEVICES

80  DF  SPRING PANEL {9}
110  DF  .~ Panel secured peripherally to supporting frame {1}
111.~.~ Panel secured to tension frame inwardly {1}
112  DF  .~.~.~> Secured by resilient connectors


DEFINITION

Classification: 267/111

(under subclass 110) Device wherein the load receiving surface is so mounted on or below the level of the frame that a load applied to the surface tends to urge the frame members inwardly toward each other.