Sheet material clamp

Supports – Brackets – Specially mounted or attached

Reexamination Certificate

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Details

C248S226110, C269S037000, C269S041000, C269S152000, C269S249000

Reexamination Certificate

active

07055787

ABSTRACT:
A sheet material clamp having a rigid clamp base of a pre-selected length. The rigid clamp base has a clamping surface and at least two clamping apparatus attached to the clamping base for applying clamping pressure through a pressure foot toward the clamping surface. The apparatus for applying clamping pressure are spaced along the length of the clamp base so that clamping pressure can be applied evenly along the edge of the sheet material being clamped.

REFERENCES:
patent: 2322107 (1943-06-01), Balcar
patent: 4553872 (1985-11-01), Chandra et al.
patent: 4828241 (1989-05-01), Yang
patent: 5573228 (1996-11-01), Chestnut
patent: 5586378 (1996-12-01), Smith
patent: 6098973 (2000-08-01), Khachatoorian
patent: 6296241 (2001-10-01), Harrison
patent: 6726193 (2004-04-01), Yates

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