ES192526U - Vertical rectifier for terrace, marble and similar. (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Vertical grinding machine for terrazzo, marble and the like, which is essentially characterized in that it is constituted by a frame provided with a pair of steerable wheels, mounted on a common axis, whose frame comprises frontally a flat horizontal support, located at a certain distance from the ground and, later a telescopic forked handlebar, fixed at different heights by means of a prisoner, with the particularity that on the abovementioned horizontal support, two electric motors with the same characteristics are installed perpendicularly and in parallel arrangement, each of which has a supported output shaft in conical rollers and finalized in a flange, through which and with the collaboration of a series of studs that are screwed in holes made in it, carrying an equivalent number of compression springs mounted on them, and that pass freely through holes corresponding to a flange secured to the end of a wheel axle, supported on an oscillating bearing, transmits without demultiplication its movement to this second axis, which has a series of radial holes, through which it receives the flow coming in an annular watertight coupling, which leads to a central bore, with outlet at the lower free end, and on said lower free end incorporates a grinding-wheel plate, provided with means for fastening it, which materialize in the form of an expansion ring and a nut, threaded on the shaft, to produce the expansion of the ring. (Machine-translation by Google Translate, not legally binding)