Work holders – With fluid means – Cylinder-piston means in series with additional positioning...
Reexamination Certificate
2006-02-14
2006-02-14
Ackun, Jr., Jacob K. (Department: 3723)
Work holders
With fluid means
Cylinder-piston means in series with additional positioning...
Reexamination Certificate
active
06997447
ABSTRACT:
A clamp apparatus converts the rectilinear motion of a cylinder into the rotary motion by means of a toggle mechanism to clamp a workpiece by using an arm. A release projection is covered with a top cover made of metal, preferably with a top cover coated with a material excellent in smoothness. When the arm is going to be unlocked by using the release projection, a tongue of the top cover is lifted upwardly to open the top cover, and the release projection is pushed and moved downwardly.
REFERENCES:
patent: 5382171 (1995-01-01), Hofmann et al.
patent: 5575462 (1996-11-01), Blatt
patent: 6378856 (2002-04-01), Takahashi
patent: 6739587 (2004-05-01), Migliori
Ackun Jr. Jacob K.
Guss Paul A.
SMC Kabushiki Kaisha
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