Height adjustment device for load support

Abstract

A leveled load is carried by a support on one of the exterior surfaces of a pair of outer wedges maintained in parallel spaced relation to each other by an intermediate activating wedge to which selective horizontal displacement is imparted relative to the outer wedges for vertical adjustment. Such selective displacement is imparted by rotation of a screw bolt threaded through a centering pin held in non-rotatable relation to the intermediate wedge in vertical alignment with the load support.

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