US PATENT SUBCLASS 403 / 111
.~ Rotatable members resiliently biased to one position

Current as of: June, 1999
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52  DF  ARTICULATED MEMBERS {13}
111.~ Rotatable members resiliently biased to one position

DEFINITION

Classification: 403/111

(under subclass 52) Structure comprising resilient means for biasing a pair of rotatably engaged members toward one position.