(under subclass 240) Apparatus in which the chamber and the pressure surface which enters the chamber are each equipped with a handle and these handles are movable relative to one another to cause the said pressure surface to move between the side walls of the chamber and rectilinearly approach an opposing pressure surface.
SEE OR SEARCH THIS CLASS, SUBCLASS:
234+, for plier type hinged platen or piston presses.
SEE OR SEARCH CLASS
81, Tools, particularly
300+, for tool-jaw(s) positioned by relatively movable plural handles (e.g., pliers).