US PATENT SUBCLASS 166 / 217
.~ Expansible means translated by wedge or cam


Current as of: June, 1999
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166 /   HD   WELLS

206  DF  EXPANSIBLE ANCHOR OR CASING {8}
217.~ Expansible means translated by wedge or cam


DEFINITION

Classification: 166/217

(under subclass 206) Devices in which the outwardly movable means is translated radially due to relative movement between it and an element that forces the outwardly movable means into contact with the surrounding conduit surface.

SEE OR SEARCH THIS CLASS, SUBCLASS:

120+, for wedge or cam actuated slips set by fluid pressure.

209+, for wedge or cam actuated expanding anchors set at any point in the well by a sudden lowering.

215, for a wedge or cam and an expanding anchor operated by a spring.

216, for expansible means with a wedge or cam and a friction drag.

SEE OR SEARCH CLASS 294, Handling: Hand and Hoist-Line Implements,

86.25, for cam spread, expanding jaw, well grapples, and subclasses 93+ for cam spread expanding jaw grapples of general utility.