Rollermills

Details Rollermills Rollermills

1976-09-13

1978-01-17

Lake, Roy

Solid material comminution or disintegration

Apparatus

With sink drain stopper interlock

241232, B02C 432

Patent

active

040688038

ABSTRACT:
A rollermill having a pair of grinding rolls, one fixed and one movable to enable separation of the grinding surfaces thereof, the movable roll being mounted on a pair of pivoted arms, a spring being provided for urging the movable roll into grinding contact with the fixed roll, there being a pair of rigid members held against relative movement by a shear pin for non-resiliently maintaining said movable roll in grinding contact, the shear pin being adapted to fail when a roll-separating force is established in excess of the sum of the force applied by the spring and the force necessary to cause said shear pin to fail, whereby in the event of failure of said shear pin said grinding surfaces continue to be maintained in grinding relationship resiliently by said spring.

REFERENCES:
patent: 2131277 (1938-09-01), Frerotte
patent: 2273772 (1942-02-01), Pollitz
patent: 3845906 (1974-11-01), Lillig et al.

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