US PATENT SUBCLASS 294 / 86.3
.~.~.~ Cammed grappling means

Current as of: June, 1999
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294 /   HD   HANDLING: HAND AND HOIST-LINE IMPLEMENTS

86.4  DF  GRAPPLE {18}
86.1  DF  .~ Well type {10}
86.26  DF  .~.~ Contracting grappling means (e.g., overshot) {6}
86.3.~.~.~ Cammed grappling means {1}
86.31  DF  .~.~.~.~> Inwardly biased grappling means

DEFINITION

Classification: 294/86.3

(under subclass 86.26) Grapples having a grappling means that is urged inwardly by means including a cam.

SEE OR SEARCH THIS CLASS, SUBCLASS:

86.22, for screw threaded means which moves a grappling means along a cam surface to effect releasing of a grappling means.

87.26, for multiple object engaging grapples of general utility having relatively slidable groove engaging means.

102.1, for grapples of general application having cammed grappling means within a socket for embracing a load.

103.1+, for fixed and movable jaw grapples of general application.

116, for pivoted jaw grapples of general application having a cam as part of the operating means.