Solid material comminution or disintegration – Apparatus – Rotary striking member with feed or discharge conveyor or...
Reexamination Certificate
2011-05-17
2011-05-17
Rosenbaum, Mark (Department: 3725)
Solid material comminution or disintegration
Apparatus
Rotary striking member with feed or discharge conveyor or...
C241S189100, C241S286000
Reexamination Certificate
active
07942356
ABSTRACT:
A horizontal shaft impact crusher includes a housing, an impeller, and a first and a second curtain against which material accelerated by the impeller may be crushed, the second curtain being located downstream of the first curtain. The housing is provided with a first and a second pivot point for mounting a first end of the first curtain in two different positions relative to the impeller, a first adjustment device for mounting a second end of the first curtain, a third and a fourth pivot point for mounting a first end of the second curtain in two different positions relative to the impeller, and a second adjustment device for mounting a second end of the second curtain.
REFERENCES:
patent: 3788562 (1974-01-01), Greenlay et al.
patent: 6189820 (2001-02-01), Young
patent: 2002/0139880 (2002-10-01), Heukamp
patent: 39 11 086 (1990-04-01), None
patent: 4312509 (1994-10-01), None
patent: 2 893 863 (2007-06-01), None
Dallimore Rowan
Tisserand Laurent
Drinker Biddle & Reath LLP
Rosenbaum Mark
Sandvik Intellectual Property AB
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