US PATENT SUBCLASS 285 / 77
.~.~.~.~.~ Reciprocating

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  DF  .~.~.~ Oscillating engagement {2}
76  DF  .~.~.~.~ Auxiliary detent {1}
77.~.~.~.~.~ Reciprocating {1}
78  DF  .~.~.~.~.~.~> Key or wedge

DEFINITION

Classification: 285/77

(under subclass 76) Subject matter wherein the detent

reciprocates to and from locking position.