Material reducer

Details Material reducer Material reducer

1974-05-13

1976-02-03

Custer, Jr., Granville Y.

Solid material comminution or disintegration

Processes

By utilizing kinetic energy of projected or suspended material

241 27, 241 29, 241 55, 2411863, 241275, B02C 2338

Patent

active

039360040

ABSTRACT:
A material reducer for coal, lignite, ore, stone, rock, oil shale and the like which employs rotary hammers, bars or the like not only to crush the material but also to propel the crushed material upwardly along a confined or partially confined path or discharge chute which empties onto an output conveyor, a screen or other processing equipment. The chute is provided with means to reduce or eliminate clogging at the discharge port from the reducer. The input end of the reducer can be at a level sufficiently low to be supplied by mobile loading units such as front-end loaders, over-the-head loaders, and others. The center of gravity can also be substantially lowered, providing more stability without the normal cumbersome frame and support structure. Reducers constructed in accordance with the invention can be made far lighter and more mobile than existing mobile reducers with the same capacity, and therefore provide a practical way of eliminating the use of trucks, with their attendant noise, dust and pollution, to haul uncrushed minerals from the bottom of a mine or quarry to a stationary crusher at the surface.

REFERENCES:
patent: 1195529 (1916-08-01), Street et al.
patent: 1384821 (1921-07-01), Blum
patent: 1753437 (1930-04-01), Lykken
patent: 1959465 (1934-05-01), Dryfoos
patent: 2226330 (1940-12-01), Symons
patent: 2553234 (1951-05-01), Boucher
patent: 2828923 (1958-04-01), Kramer
patent: 2931581 (1960-04-01), Lykken et al.
patent: 3423132 (1969-01-01), Blanton et al.
patent: 3442458 (1969-05-01), Meyer

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