B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
269/8
B23K 37/04 (2006.01)
Patent
CA 1038659
ABSTRACT OF THE DISCLOSURE This clamping device provides opposed banks of clamping units attached to an associated reaction beam above a work table, for clamping workpiece plates to the table during seam welding Bach clamping unit includes an upright clamping member, having an inclined finger engageable with a workpiece plate, and each member is connected to its reaction beam by a pair of transverse link members: the clamping member, link members and the reaction beam cooperate to provide a four-bar linkage. Downward pressure is applied to the clamping members by an inflatable flexible hose positioned between the lower link member of each unit and an associated reaction beam, and the clamping members are upwardly biased by individual return springs extending between the upper link member and the reaction beam The connection points of the upper and lower link members to the reaction beam are vertically and horizontally adjustable to facilitate alignment of the clamping units with the reaction beam and to vary the location of the inclined finger relative to the workpiece.
239940
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