Importance

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Abstract

An adjustable double disc grinder dresser comprising a dresser arm mounted on a shaft, a bracket including spaced opposing walls, one of the walls supporting one end of the shaft for pivotal displacement about its axis and for limited pivotal displacement about mutually perpendicular vertical and horizontal axes, the support including a face to face mounted pair of ball bearings, and a spacer having a width selected to locate the bearing load centers of the ball bearings coincident on the axis of rotation of the shaft, the mutually vertical and horizontal axes intersecting at the point of coincidence, and adjustment screws for infinitely varying the horizontal location of the axis of the shaft through a limited range, and a support for the other end of the shaft permitting pivotal displacement about its axis and for limited pivotal displacement about mutually perpendicular vertical and horizontal axes, the other support including a face to face mounted pair of ball bearings, and a spacer having a width selected to locate the bearing load centers of the ball bearings coincident on the axis of rotation of the shaft, the mutually vertical and horizontal axes intersecting at the point of coincidence, and structure for infinitely varying the vertical location of the axis of the shaft through a limited range, whereby the ends of the shaft can be shifted relatively horizontally and vertically to align the shaft axis.

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First Claim