Solid material comminution or disintegration – Apparatus – Cooperating comminuting surfaces
Patent
1991-05-02
1992-05-05
Watts, Douglas D.
Solid material comminution or disintegration
Apparatus
Cooperating comminuting surfaces
B02C 1714
Patent
active
051100584
ABSTRACT:
Apparatus is provided for crushing rock into aggregate which utilizes a movable jaw operating relative to a fixed jaw. The movable jaw is supported on upper and lower toggle plates which are positioned in non parallel planes. Rock to be crushed is received in an upper entry region defined by the jaws and by opposed cheek plates cooperable with the jaws. Upon reciprocating movement of an hydraulic actuator, a major movement imparted to the movable jaw at its upper region is in a generally upright plane and a major movement imparted to the movable jaw at its lower region is in a generally horizontal plane transverse of the upright plane. In this manner, improved initial cracking of the rock as it enters the upper entry region is achieved and increased production flow of crushed aggregate is achieved at a discharge region by reason, at that location, of the relative horizontal movement between the fixed and movable jaws.
REFERENCES:
patent: 160682 (1875-03-01), Johnson
patent: 2605051 (1952-07-01), Bogie
patent: 3170644 (1965-02-01), Gaulde
patent: 3386667 (1968-06-01), May
patent: 3976255 (1976-08-01), Edwards
Brochure, Pioneer Overhead Eccentric Jaw Crushers, Portec Pioneer Division, JC866, 12 pages (undated).
Brochure, Aggregate and Sand Plant Equipment-Rock, Kobe Steel, Ltd., No. M110050, front cover, pp. 1-10, and rear cover only (undated).
Brochure, Kue-Ken.RTM. Jaw Crushers, KUE-Ken.RTM. Division of Process Technology Corporation, Bulletin 802, pp. 1-12 (undated).
Hilburger Albert W.
Watts Douglas D.
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