.~ Means to actuate jaw(s) (i.e., apply holding force) {10}
217
.~.~ Work camming or wedging action type
DEFINITION
Classification: 269/217
(under subclass 216) Device including jaws and jaw supporting structure so configured and linked that, one the jaws are in firm contact with the work, said jaws will react to movement of the work by tending to tighten engagement with said work, without the application of other forces on said jaws or jaw supporting structures.
(1) Note. Generally, the movement of the work is rotary and the jaws tend to hold the work against further rotation but the patents placed herein are not limited to such rotational action.
(2) Note. The work need not be claimed for patent placement here.
SEE OR SEARCH THIS CLASS, SUBCLASS:
166+, for patents to holder with similar self-camming action used to lock parts of a jaw mechanism in desired adjustment