US PATENT SUBCLASS 403 / 148
.~.~.~ Manually variable

Current as of: June, 1999
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403 /   HD   JOINTS AND CONNECTIONS

52  DF  ARTICULATED MEMBERS {13}
119  DF  .~ Pivoted {7}
145  DF  .~.~ Including tension or take-up means {4}
148.~.~.~ Manually variable

DEFINITION

Classification: 403/148

(under subclass 145) Structure comprising means for varying the force manually.