US PATENT SUBCLASS 157 / 18
.~.~ With cam or wedge type actuating device


Current as of: June, 1999
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157 /   HD   WHEELWRIGHT MACHINES

14  DF  WHEEL HOLDING MEANS {5}
16  DF  .~ Including relatively movable wheel gripping jaws {2}
18.~.~ With cam or wedge type actuating device


DEFINITION

Classification: 157/18

With cam or wedge type actuating device:

(under subclass 16) Holding means wherein one of the jaws is moved by a device which includes either a rotatable camming or shiftable wedging element, a surface of which slides against and moves a cooperating surface on (a) the jaw, or (b) a follower element attached to the jaw when a rotating or shifting force is applied to the element, one of the engaged surfaces having an uneven contour that causes the movement transmitted to the cooperating surface by the element to be in a direction other than that of the element.

SEE OR SEARCH CLASS

269, Work Holders,

229+, for work holders having relatively movable, work-engaging jaws which are shifted toward or away from each other by a cam, eccentric, or wedge-type actuating device.