Shredder with cage relief

Details Shredder with cage relief Shredder with cage relief

2007-05-29

2007-05-29

Banks, Derris H. (Department: 3725)

Solid material comminution or disintegration

Apparatus

Comminuting surface provided with openings to permit...

C241S032000, C241S034000, C241S064000, C241S073000, C241S088400, C241S089000

Reexamination Certificate

active

10408962

ABSTRACT:
A materials processing system adapted for the reduction of metallic materials including a material feed portion configured to convey materials to a mill portion comprising a motor driven rotor in close running fit with a cage mounted grate through which reduced material is discharged onto a conveyer. The cage is biased to a closed operating position by one or more hydraulic rams. A control system receives signals from a speed sensor operatively coupled to the rotor, and is configured to regulate the hydraulic rams, thereby controlling the opening and closing of the cage in response to rotation of the rotor. The control system is further configured to regulate the operation of the materials feed portion to suspend material feed during opening of the cage, permitting trapped or jammed material to be expelled from the mill portion.

REFERENCES:
patent: 3625138 (1971-12-01), Shinn et al.
patent: 4767066 (1988-08-01), Williams
patent: 4793561 (1988-12-01), Burda
patent: 4836457 (1989-06-01), Greiner
patent: 4964578 (1990-10-01), Bender
patent: 5213273 (1993-05-01), Linnerz
patent: 5743472 (1998-04-01), Williams, Jr. et al.
patent: 5911372 (1999-06-01), Williams, Jr.

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