Auto-advance bar clamp

Details Auto-advance bar clamp Auto-advance bar clamp

2008-03-14

2009-11-10

Wilson, Lee D (Department: 3727)

Work holders

Operator supported

Handle manipulation for jaw actuation

C269S166000, C269S003000

Reexamination Certificate

active

07614617

ABSTRACT:
A multi-range auto-advance bar clamp used for clamping work pieces together which may upon release of the brake instantly and automatically adjust from a wide open position to any desired closed position. The multi-range auto-advance bar clamp may comprise a slide bar, a movable jaw, a sliding jaw, a body, a drive assembly and a brake, an advancement mechanism, a rigid structural body extension and a slide rail. The jaws of the clamp are adjustably separated and positioned about a work piece. A mechanism for controlling the speed with which the clamp automatically closes may also be provided.

REFERENCES:
patent: 4220322 (1980-09-01), Hobday
patent: 5161787 (1992-11-01), Hobday
patent: 6568667 (2003-05-01), Hall
patent: 6648315 (2003-11-01), Lee
patent: 2006/0091596 (2006-05-01), Marusiak
patent: 2008/0157450 (2008-07-01), Marusiak

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