Importance

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Abstract

An improved portable brake disc resurfacing tool of the type which is mountable on an automobile wheel hub assembly for resurfacing brake discs without removing the disc from the automobile wheel assembly includes a generally rectangular framework having at its right hand side a frame mounting assembly including opposed arms vertically slidable on the frame and means for maintaining those arms in symmetrical positioning with respect to the frame and with respect to the brake caliper mounting assembly on which the resurfacing tool is to be mounted. The arms are also reversible in their mountings to provide added adjustability of the mounting system for varying brake disc caliper mounting members. The portable brake lathe further includes a tool mounting carriage which is slidingly retained on the framework and provides an adjustable mounting for tool holders which in turn each mount a triangular 12 point removable cutting tool thereon. The cutting tools are positioned opposed in spaced relation for use in cutting opposed side surfaces of an automobile rotor or brake disc while that disc is still mounted on the wheel hub assembly. Either a hand crank system, or a motorized system may be utilized to provide horizontal movement of the tool holder carriage toward and away from the center of the brake disc or rotor during resurfacing.

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First Claim