US PATENT SUBCLASS 24 / 600.4
.~.~.~.~.~ Track or way guided gate

Current as of: June, 1999
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24 /   HD   BUCKLES, BUTTONS, CLASPS, ETC.

572  DF  SEPARABLE-FASTENER OR REQUIRED COMPONENT THEREOF {5}
588  DF  .~ Including receiving member having cavity and mating member having insertable projection guided to interlock thereby {12}
598.1  DF  .~.~ Projection passes through cavity then moves toward noninserted portion of its member to complete interlock (e.g., snap hook) {2}
598.4  DF  .~.~.~ Hook type projection member {5}
598.7  DF  .~.~.~.~ Noninserted portion of projection member includes movably connected gate for closing access throat {5}
600.4.~.~.~.~.~ Track or way guided gate {1}
600.5  DF  .~.~.~.~.~.~> Having means biasing gate {2}

DEFINITION

Classification: 24/600.4

Track or way guided gate:

(under subclass 598.7) Projection member wherein the barrier means is connected to the shank by two distinct, rigid* or semirigid* formations which are integral with or fixedly attached to the shank and barrier means respectively and have mutually cooperating surfaces both (a) in sliding or rolling contact with each other and (b) restricting the movement of the barrier means to a substantially single, primary direction along a linear or curvilinear path.

SEE OR SEARCH CLASS

294, Handling: Hand and Hoist-Line Implements,

82.23, for a hoistline or grab hook having a slidable device for closing the entrance throat of the hook.