Bar clamp extension fixture

Details Bar clamp extension fixture Bar clamp extension fixture

2005-12-14

2008-10-28

Shakeri, Hadi (Department: 3723)

Work holders

Relatively movable jaws

With separate positioning means for each of jaw pair

C269S006000, C269S149000

Reexamination Certificate

active

07441761

ABSTRACT:
An extension fixture for combining the clamping capacity of a first and a second bar I-beam cross section bar clamp. The first and second bar clamps each have a fixed jaw, a movable jaw, and a primary bar. The movable jaw of each bar clamp has a clamping means configured to provide a clamping force in the direction of the fixed jaw. To use the bar clamps with the extension fixture, the movable jaw is removed from the first bar clamp, and the movable jaw orientation on the second bar clamp is reversed so that the clamping means is then configured to provide a clamping force away form the second fixed jaw. The first and second primary bars are then inserted into the extension fixture, and pinned and clamped in position. The assembly then forms a combined capacity bar clamp.

REFERENCES:
patent: 1272259 (1918-07-01), Herold
patent: 1354378 (1920-09-01), Carpenter
patent: 1583611 (1926-05-01), Seely
patent: 3172158 (1965-03-01), Herman et al.
patent: 6530565 (2003-03-01), Simpson
patent: 2007/0057424 (2007-03-01), Kern
patent: 2007/0090580 (2007-04-01), Fratianne
patent: 2007/0114708 (2007-05-01), Springer

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