US PATENT SUBCLASS 285 / 340
.~.~ Toggle ring type

Current as of: June, 1999
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285 /   HD   PIPE JOINTS OR COUPLINGS

335  DF  PACKED {20}
339  DF  .~ Wedge {4}
340.~.~ Toggle ring type

DEFINITION

Classification: 285/340

(under subclass 339) Subject matter comprising one or more annular wedge members of relatively thin material with the edge of the central bore offset laterally with respect to the outer edge, whereby a force applied parallel to the axis of the bore will cause reduction of the effective diameter of the central bore.

SEE OR SEARCH THIS CLASS, SUBCLASS:

321, for a coupling having a resilient ring type essential catch.