Grinding wheel dresser

Claim 1

A grinding wheel dresser, adapted to shape the abrasive wheel of a cylindrical grinding machine having an abrasive wheel support column, comprising in combination: a. a horizontally extending bracket table, permanently mounted on the abrasive wheel support column, spaced upwardly of the abrasive wheel shaft; b. a first slide, mounted on the table for movement crosswise thereof, in a horizontal plane normal to the axis of the abrasive wheel shaft; c. control means, for moving the first slide between adjusted positions; d. a second slide, comprising a head having two laterally extending rods slidably fitted through two parallel bores extending lengthwise of the first slide, for movement therethrough in a horizontal plane parallel to the axis of the abrasive wheel shaft; e. said head having a vertical opening therethrough, bounded at its lower edge by two parallel tracks extending normal to, and crosswise of, the slide rods; f. control means, for moving said second slide between adjusted positions; g. geometric curve generator, having a mounting plate with a vertical bearing bore centered therethrough; h. a dependent, laterally-offset arm journaled for rotation in said mounting plate bore, through an upstanding hollow collar; i. control means, for rotating said arm between adjusted positions, actuation of the control means translating the arm in an arc; j. a third slide, mounted at the lower end of the arm, having an axis of elongation normal to the arm; k. cutter means, mounted on the third slide, adapted to engage the peripheral surface of the abrasive wheel; l. The geometric curve generator being removably secured on the second slide head, in a depending position, by interfitting its mounting plate between the head tracks; m. clamp means, for locking the geometric curve generator in place; and n. the openings of the hollow collar of the geometric curve generator, and the second slide head, being aligned, to provide an unobstructed passage therethrough for the optical axis of optical viewing means, whereby the travel path of the cutter means can be observed by the operator at normal eye level.