US PATENT SUBCLASS 24 / 647
.~.~.~.~ Requiring manual force thereon to interlock or disengage

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}
629  DF  .~.~ Receiving member includes either movable connection between interlocking components or variable configuration cavity {7}
643  DF  .~.~.~ Having pivotally connected interlocking component {4}
647.~.~.~.~ Requiring manual force thereon to interlock or disengage {3}
648  DF  .~.~.~.~.~> Plural, oppositely shifting, similar interlocking components
649  DF  .~.~.~.~.~> Having aperture therein alignable with parallel access opening
650  DF  .~.~.~.~.~> Having interlocking portion thereof housed continuously within cavity

DEFINITION

Classification: 24/647

Requiring manual force thereon to interlock or disengage:

(under subclass 643) Swinging component in which manual force is intended to be applied directly on, and in the same direction as the motion of, this component when swinging it relative to the other component and moving it either to or from its interlocking position with the projection.