Amplified hold-down clamp

Details Amplified hold-down clamp Amplified hold-down clamp

1998-03-25

1999-10-05

Scherbel, David A.

Work holders

Relatively movable jaws

Means to actuate jaw

269236, 269196, 269201, B25B 512

Patent

active

059611090

ABSTRACT:
The clamp is a locked over-center toggle clamp having a toggle lever that actuates a clamp arm between clamped and released positions. An amplification lever is secured to a cam pivot for rotation of the cam pivot inside a base. One end of the clamp arm is pivoted to the cam pivot to act as a follower so that rotation of the cam pivot cams the clamp arm to amplify the hold-down force of the toggle clamp.

REFERENCES:
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patent: 2815052 (1957-12-01), Krasnow
patent: 3035831 (1962-05-01), Blatt
patent: 3872760 (1975-03-01), Desnoyers, Jr.
patent: 3924844 (1975-12-01), Bachtel, Jr.
patent: 4887803 (1989-12-01), Witt
patent: 4958813 (1990-09-01), Dykstra
patent: 5165148 (1992-11-01), Fleischer et al.
patent: 5257774 (1993-11-01), Dykstra
patent: 5287602 (1994-02-01), Dykstra
patent: 5346194 (1994-09-01), Coffin, III
patent: 5373642 (1994-12-01), Supe-Dienes
patent: 5503378 (1996-04-01), Schauss et al.
patent: 5527024 (1996-06-01), Dykstra

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