| 摘要 |
A clamp assembly for a concrete form such as is used in pouring concrete walls; the form includes a plurality of uprights spaced by a series of transverse struts; the uprights are connected at the rear by a number of transverse beam members overlying the rear face of the uprights; a plurality of stiffback columns are disposed rearwardly of the concrete form for flat abutment against the transverse beams across the uprights; the stiffback columns are connected to the uprights by means of one or more work clamp assemblies each of which has a plate extending horizontally between the columns and the uprights which at one end is provided with a jaw clamp adapted to be engaged with a transverse strut spacing adjacent uprights and which is clamped thereto by means of a wedge member, which has an abutment at one end engaging against the next adjacent upright; the work clamp plate is further provided with a longitudinally adjustable clamp member rearwardly of the jaw clamp for clamping engagement of the work clamp assembly against an immediately adjacent rearwardly disposed stiffback column to retain the stiffback column in aligned position against the transverse beams across the uprights so that, when the work clamp assembly is properly secured and adjusted, the uprights of the concrete form will be rigidly secured in aligned vertical position.
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