Work holders – With fluid means – Cylinder-piston means in series with additional positioning...
Patent
1983-07-13
1985-01-08
Watson, Robert C.
Work holders
With fluid means
Cylinder-piston means in series with additional positioning...
269235, 74107, B29D 2300
Patent
active
044923686
ABSTRACT:
Apparatus for applying force in one direction to an article and restraining movement of the article in the opposite direction. There is provided a reciprocally rotatable link and means to rotate the link connected to a first end of the link and a cam shaft having a first and second cylindrical portion, said first cylindrical portion having a different central axis of rotation than the second cylindrical portion. The first cylindrical portion of the cam shaft is secured to the end of the link opposite the end connected to the rotating means to provide rotational movement of the cam shaft when the link is rotated. A mounting block with a bore therethrough has the first cylindrical portion of the cam shaft passing through the bore. A rotating member pivotal at one end and movable from a first position to a second position has the second cylindrical portion of the cam shaft rotatably secured thereto at the end opposite from the pivotal end. With this arrangement of the apparatus components, rotation of the rotating member from the first position to the second position moves the mounting block in the direction of the article a certain predetermined distance and rotation of the link rotates the cam shaft about the axis of the second cylindrical portion and the eccentric rotation of the first cylindrical portion through the mounting block causes the mounting block to exert mechanical force against the article in the direction of the article. With this arrangement, the article is also restrained from movement in the direction opposite from the direction of the applied force.
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Blunt Thomas O.
DeLeeuw Cornelius
General Electric Company
Reams Radford M.
Watson Robert C.
Weidner Frederick P.
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