US PATENT SUBCLASS 294 / 94
.~.~ Cam-spread jaws

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

86.4  DF  GRAPPLE {18}
93  DF  .~ Expanding {3}
94.~.~ Cam-spread jaws {2}
95  DF  .~.~.~> Pivoted
96  DF  .~.~.~> Slip wedge

DEFINITION

Classification: 294/94

(under subclass 93) Grapples, the expanding action being produced by some form of cam mechanism.

SEE OR SEARCH THIS CLASS, SUBCLASS:

86.25, for expanding grappling means having a cam action and which is peculiarly adapted to function in a well bore.