Keyway for refiner disc

Details Keyway for refiner disc Keyway for refiner disc

1990-11-20

1992-06-09

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

Cooperating comminuting surfaces

241296, 403356, B02C 716

Patent

active

051199955

ABSTRACT:
A rotor member (10,000) having a central bore wall (18,118) that is rigidly connected to a shaft (12,112) by a thermally-induced interference fit and by radially extending, interlocking complementary formations, wherein said formations include a key (20,120) projecting from the shaft into a substantially semi-elliptical keyway recess (22,122) in the bore wall.

REFERENCES:
patent: 3014671 (1961-12-01), Thompson
patent: 3260469 (1966-07-01), Perdreau
patent: 3487903 (1970-01-01), Stickan
patent: 4586662 (1986-05-01), Goldenberg et al.
patent: 4783014 (1988-11-01), Fredriksson et al.
patent: 4826347 (1989-05-01), Baril et al.

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