.~.~ Separation of pivotal contacting surfaces {5}
269
.~.~.~ Hook to hook
DEFINITION
Classification: 16/269
Hook to hook:
(under subclass 260) Hinge wherein the surface areas which are engaged or disengaged during assembly or disassembly of the hinge portions each comprise an open curve having a reentrant end section.
SEE OR SEARCH THIS CLASS, SUBCLASS:
355+, for a hinge comprised of two nested open curved portions which move along one another, but not readily assembled or disassembled.