Solid material comminution or disintegration – Apparatus – With separation or classification of material
Patent
1993-01-25
1994-02-01
Rosenbaum, Mark
Solid material comminution or disintegration
Apparatus
With separation or classification of material
241 74, 241 891, 2411013, 73 1J, B02C 2316, B02C 2500
Patent
active
052825795
ABSTRACT:
An extensible spacer device for setting a gap between an impeller and a screen of a size reduction machine comprises a first collar having an axially extending bore, an internal thread on an inside surface of the bore and a circumferential shroud extending axially, a second collar having a base portion, a barrel portion and an axially bore extending therethrough. The barrel portion has an external thread adapted to threadingly engage the internal thread. The shroud is adapted to cover the barrel portion and frictionally engage the base portion when the first collar threadingly engages the second collar. A calibrated scale is on the base portion and a plurality of gradations circumferentially extends about the shroud to indicate an axial length of the spacer device as the first collar is rotated relative to the second collar.
REFERENCES:
patent: 1515113 (1924-11-01), Holmquist et al.
patent: 2840318 (1958-06-01), Schnell
patent: 3149791 (1964-09-01), Richelmann
patent: 3750618 (1973-08-01), Griebenow
patent: 4759507 (1988-07-01), Lynch et al.
Murugesu Benjamin K.
Poser Kimberly J.
Fors Arne I.
Horne Doak D.
Husar John M.
Imai Jeffrey T.
Rosenbaum Mark
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