(under subclass 221) Hinge including means to permit the ready removal or replacement of the hinge from a hinged member* and comprising either (a) two opposing surfaces movable toward and away from one another for engaging and disengaging the hinged member, or (b) an element forming a constrictable opening adapted to encircle the hinged member or a portion thereof.
SEE OR SEARCH THIS CLASS, SUBCLASS:
235+, for a hinge having a clamp for fixing or releasing one hinge portion relative to another for the purpose of adjusting the hinged members.
390, for a hinge leaf having opposed parallel surfaces with no means being claimed to force the surfaces toward one another.
