Duplex-head surface grinder

Details Duplex-head surface grinder Duplex-head surface grinder

1985-10-01

1987-01-13

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51112, 51290, B24B 716

Patent

active

046354018

ABSTRACT:
A duplex-head surface grinder concentrically mounting annular low large-diameter grinding discs and high small-diameter grinding discs provided on inner peripheral sides thereof respectively to a pair of opposed disc-shaped grinding wheels for an opposed-double-spindle type duplex-head surface grinder, and disposing a driving shaft for a rotary carrier on one side of a space between both grinding wheels and a driving shaft for a two-stage dresser arm providing on both side faces grinding chips having different projecting lengths on the other side thereof parallel to a grinding wheel shaft respectively.

REFERENCES:
patent: 449950 (1891-04-01), Rodgers et al.
patent: 766403 (1904-08-01), Vincke
patent: 1601227 (1926-09-01), Stevens
patent: 1651382 (1927-12-01), Gardner et al.
patent: 2556067 (1951-06-01), Coffer, Jr.
patent: 2673425 (1954-03-01), Karnell
patent: 3299579 (1967-01-01), Jacobson
patent: 3859756 (1975-01-01), Zerbola

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