Concrete surface grinder

Details Concrete surface grinder Concrete surface grinder

1974-06-12

1976-01-27

Kelly, Donald G.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

B24B 2302

Patent

active

039343774

ABSTRACT:
A rotary concrete surface grinding and smoothing device having a segmental diamond chip impregnated, engine-driven, rotating grinding head; a foot-operated unit for raising and lowering the grinding head with relation to the surface to be ground; a slanted front end for better visibility; and, ballast weight and adjustable axle means to incrementally vary the downward pressure of the grinding head on the to be ground surface.

REFERENCES:
patent: 820751 (1906-05-01), Wattles
patent: 2001099 (1935-05-01), Holt
patent: 2793476 (1957-05-01), Lombardo
patent: 3102372 (1963-09-01), Vezner
patent: 3124911 (1964-03-01), Vinella
patent: 3504434 (1970-04-01), Thomsen
patent: 3552070 (1971-01-01), Reiss
patent: 3701221 (1972-10-01), Vinella

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