US PATENT SUBCLASS 285 / 74
.~.~.~ Oscillating engagement

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

65  DF  IDENTICAL HALVES (E.G., TRAIN LINE TYPE) {4}
70  DF  .~ Longitudinal port {2}
73  DF  .~.~ Integral hook {2}
74.~.~.~ Oscillating engagement {2}
75  DF  .~.~.~.~> Reciprocating conduit
76  DF  .~.~.~.~> Auxiliary detent {1}

DEFINITION

Classification: 285/74

(under subclass 73) Subject matter wherein hooks on one side of the port are so related that they are engaged by a rocking or oscillating movement about a transverse axis with respect to the port axis.