Solid material comminution or disintegration – Apparatus – With automatic control
Patent
1994-06-07
1996-08-13
Husar, John
Solid material comminution or disintegration
Apparatus
With automatic control
2412612, B02C 700, B02C 711
Patent
active
055448194
ABSTRACT:
A rotary disintegrator for liquid-borne solid waste, for example, has a cutter head (14) in which a rotatable headstock having cutting blades (28, 30) is urged by springs (38) against a shear plate (15). A signalling means for signalling predetermined wear of the shear plate (15) by the cutting blades (28, 30) includes a wear detector (65) having a rod electrode (67) mounted by an insulating plug (72) within a bore (74) in the shear plate (15). When the plug (72) is worn by the cutting blades to expose the electrode (67) the electrical circuit of the signalling means is completed thus providing an indication that a predetermined degree of wear of the shear plate (15) has occurred.
REFERENCES:
patent: 3848814 (1974-11-01), Syrjanen
patent: 3932941 (1976-01-01), Ormsby
patent: 4198006 (1980-04-01), Rolfe
patent: 4820980 (1989-04-01), Dodson-Edgars
patent: 4878020 (1989-10-01), Karna et al.
Husar John
The Haigh Engineering Company Ltd.
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