Combination small-scale tub grinder and wood chipper

Details Combination small-scale tub grinder and wood chipper Combination small-scale tub grinder and wood chipper

1986-09-29

1988-09-27

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

Combined or convertible

2411864, 241189R, B02C 13282

Patent

active

047736011

ABSTRACT:
A mini-sized hammer mill apparatus is adaptable for both rotatable tub feeding of hay, fodder, feed grains, and the like, as well as for chute feeding of wood and debris for comminution. A number of features optimize the mini size for effective, reliable, and smooth operation by small horsepower tractors, including: side feed tangentially out of a cylindrical hopper under a rotatable tub into the periphery of a large diameter, narrow rotor, or through a chute with tensioned roller feeder; radially adjustable grinding and metering finger/grate bar combination, secondary grinding fingers and breaker bar, self-sharpening hook-like pointed hammers, rotatable tub mounting structure, and enhanced energy dissipating, down-sized cyclone with reverse-louvered pressure dissipators.

REFERENCES:
patent: 2650745 (1953-09-01), Oberwortman
patent: 2810529 (1957-10-01), Jensen
patent: 3615059 (1971-10-01), Moeller
patent: 3743191 (1973-07-01), Anderson
patent: 3912175 (1975-10-01), Anderson
patent: 3966128 (1976-06-01), Anderson et al.
patent: 4003502 (1977-01-01), Barcell
patent: 4087051 (1978-05-01), Moeller
patent: 4106706 (1978-08-01), Burrows
patent: 4232719 (1980-11-01), Payton
patent: 4266899 (1981-05-01), Skeem
patent: 4449672 (1984-05-01), Morlock et al.
W. W. Grinder, Inc.
C. Q. Concho, Lindig Manufacturing Corp.
Promark Model 310 Brush Chipper.
Alko International.

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