.~ Penetrating portion includes relatively movable structure for resisting extraction
DEFINITION
Classification: 24/711.1
Penetrating portion includes relatively movable structure for resisting extraction:
(under subclass 706) Pin* wherein the penetrating portion includes either (a) two distinct parts connected together in a manner allowing them at their connection point or region to move relative to each other or (b) a surface segment integral with or rigidly affixed to another surface segment and movable relative to this segment, the relative movement of the parts or surfaces occurring after the penetrating portion impales the structure-to-be-secured* or its supporting member and inhibiting or preventing its withdrawal.
SEE OR SEARCH CLASS
294, Handling: Hand and Hoist-Line Implements,
127+, for a handling harpoon with mechanically spread barbs.
