(under subclass 216) Device wherein the jaw(s) is moved arcuately by actuating means which rocks the jaw or jaw support about a fulcrum member to grip work.
(1) Note. Included here are patents to a holder with arcuate jaw movement effected by actuating means applied as in a second class lever system i.e., the work engaging surface is intermediate the fulcrum point and the point of force application.
SEE OR SEARCH THIS CLASS, SUBCLASS:
91+, for patents to a clamp couple element with fastening means which element may rock to hold work.
150, for patents to a holder including separate positioning means for each of a jaw pair, at least one of which jaws is pivotally mounted and actuated.
157, for pivoted jaws with means to bias jaw(s) toward nonholding position.
