Patent ID: 6820849
Filing Date: 2004-11-23
Classification: F16B,F21V,Y10T

Abstract:
A clamping device for supporting lighting and rigging equipment, comprising:a shaft threaded along at least a portion of its length; a first jaw fixed to a first end of the shaft and including at least one v-shaped portion and a plurality of holes for receiving mounting pins; a second jaw movable along the shaft and including at least one v-shaped portion configured to oppose the v-shaped portion of the first jaw, and a plurality of holes for receiving mounting pins; and an adjustment member connected to the second jaw and engaging the shaft for adjustably positioning the second jaw relative to the first jaw; wherein the second jaw includes a projecting sleeve extending about the shaft, and the first jaw includes a circular recess extending about the shaft to accommodate the projecting sleeve such that the two jaws can be closed together without interference by the sleeve.