Cutter device for a crushing machine

Details Cutter device for a crushing machine Cutter device for a crushing machine

2009-12-07

2011-11-22

Francis, Faye (Department: 3725)

Solid material comminution or disintegration

Apparatus

Comminuting elements

C241S195000, C241S189100

Reexamination Certificate

active

08061642

ABSTRACT:
A cutter device for a crushing machine includes a rotary cutter base body and plural cutters. The rotary cutter base body is formed integral and has an outer peripheral side axially and equidistantly formed with plural annular ribs respectively provided with plural flat cut surfaces. Each flat cut surface is formed integral with a protruding fixing base with a fixing hole for locking each cutter on the fixing base. Each cutter body is formed with a cutting side disposed with at least four arcuate cutting edges extending toward the center to form a bulging portion, with the cross section of the cutter side formed with a double-curved surface for thickening the cutter to prolong its service life. The fixing bases are formed integrally with the rotary cutter base body to increase their strength.

REFERENCES:
patent: 6837453 (2005-01-01), Sturm
patent: 6880774 (2005-04-01), Bardos et al.
patent: 7004413 (2006-02-01), Langlois
patent: 7055770 (2006-06-01), Bardos
patent: 2001/0040198 (2001-11-01), Rossler
patent: 2002/0125353 (2002-09-01), Bardos et al.
patent: 2005/0116074 (2005-06-01), Kusak

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