Grinding head for surfacing and polishing stone, marbles and oth

Details Grinding head for surfacing and polishing stone, marbles and oth Grinding head for surfacing and polishing stone, marbles and oth

1989-06-27

1990-10-30

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51119, 51283R, 184 618, 384397, B24B 722

Patent

active

049659650

ABSTRACT:
Grinding head for surfacing and polishing stone, marbles and other hard materials including a rotating housing supporting a number of oscillating grinding blocks which during rotation of said housing are pressed against the surface to be treated during simulataneous supply of water to the working zone of said grinding blocks. The apparatus includes a new excenter mechanism for imparting to said grinding blocks an oscillatory tangential movement with respect to said grinding head during rotation thereof. The apparatus also renders possible a forced self-lubrication of bearing surfaces.

REFERENCES:
patent: 1208278 (1916-12-01), Blecher
patent: 2105634 (1938-01-01), Brendel
patent: 3609922 (1971-10-01), Schnizler et al.
patent: 4627195 (1986-12-01), Greenleaf
patent: 4646473 (1987-03-01), Hundebol
patent: 4759152 (1988-07-01), Berger et al.

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