(under subclass 216) Device including a single means effective to move each of two or more coacting jaws which jaws engage the same work, with respect to a common member as well as with respect to each other.
(1) Note. The common member may be a base or a support for an actuating means or a linkage between jaws.
(2) Note. Included in this and indented subclasses are patents to a holder supported only by the contact of the coacting jaws with the work itself.
(3) Note. In the illustration below jaws 1 and 2 are each moved by screw 3 with respect to each other and screw 3. [figure]
SEE OR SEARCH THIS CLASS, SUBCLASS:
34, for patents to a single fluid unit to move plural jaws.
42, for patents to plural holders with means for simultaneous actuation of the holders. 107+, for patents to plural jaw pairs with inter-related actuating means.
119, for patents to a quadrilateral frame type holder with at least one actuating means upon each side of the frame.
142, for patents to a holder with separate actuating means for each of a jaw pair.
153, for patents to plural jaw pairs with common actuating means.
242, for patents for a screw means with right and left thread to move a jaw pair.
