Importance

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Abstract

An adjustor adapted to be placed on or against a support surface and to be coupled to the mount or leg of a motor or the like for adjusting the distance, such as the vertical height of the mount from a predetermined reference. The device includes a base on which a pair of wedge members are positioned, the lower wedge member having an inclined upper surface and the upper wedge member having a lower inclined surface, the inclined surfaces being adjacent to each other. Each wedge member has a semicircular groove in the inclined surface thereof and the grooves mate with each other to form a bore for receiving a lead screw. One of the grooves has screw threads in mesh with the lead screw so that, upon rotation of the lead screw, the wedge members move relative to each other in a direction longitudinally of the lead screw. As the members move relative to each other, the upper surface of the upper member moves upwardly and downwardly as the lead screw is rotated in opposed directions. The device includes side guides on the upper wedge member which extend downwardly along the sides of the lower wedge member to prevent dirt and foreign matter from accumulating on the inclined surfaces. Also, the upper wedge member has an overhang which protects the recess containing the head of the lead screw from dirt and foreign matter accumulation.

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First Claim