US PATENT SUBCLASS 166 / 209
.~ Set by wedge or cam at any point by drop only (e.g., tubing catcher)

Current as of: June, 1999
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166 /   HD   WELLS

206  DF  EXPANSIBLE ANCHOR OR CASING {8}
209.~ Set by wedge or cam at any point by drop only (e.g., tubing catcher) {2}
210  DF  .~.~> With friction drag for setting by turning movement also
211  DF  .~.~> With spring

DEFINITION

Classification: 166/209

(under subclass 206) Devices in which setting the outwardly movable means by engagement with an element that forces the outwardly movable means into contact with the surrounding conduit during running in the member by a quick downward motion of the member, no other motion or act of an attendant being required for movement of the outwardly movable means to the final position and the outwardly movable means being anchorable to the surrounding conduit at any point thereon.

SEE OR SEARCH THIS CLASS, SUBCLASS:

118, for a packer or plug and expansible anchor set by a dropping movement only.