Lifter for rock crusher lid

Details Lifter for rock crusher lid Lifter for rock crusher lid

1977-09-26

1979-09-11

Goldberg, Howard N.

Solid material comminution or disintegration

Apparatus

Comminuting mounting means, frames or other normally...

241275, B02C 2300

Patent

active

041672518

ABSTRACT:
Lifter for remotely removing the lid from a rock crusher is comprised of cylindrical support and lifting arms integrally joined normally to one another, and a tubular sleeve bearing which is attached generally vertically to the outer wall of the crusher shell a spaced distance therefrom, and which is configured for slideably and rotatably journaling the lifting arm. The support arm is attached to the lid thereby causing the lid to be lifted and rotated away from the crusher shell to expose the operative elements of the crusher upon respective lifting and rotation of the lifting arm. A hydraulically actuated piston cylinder mounted to the crusher frame below the lower end of the sleeve bearing, in a manner for insertion of its ram therein, is interconnected to the lifting arm through a thrust bearing for raising and lowering of the lifting arm and allowing its rotation in the sleeve bearing.

REFERENCES:
patent: 3023973 (1962-03-01), Conley et al.
patent: 3860184 (1975-01-01), Acton
patent: 3955767 (1976-05-01), Hise

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