Apparatus for chopping scrap strip material into small pieces

Details Apparatus for chopping scrap strip material into small pieces Apparatus for chopping scrap strip material into small pieces

1980-10-27

1982-12-14

Goldberg, Howard N.

Solid material comminution or disintegration

Apparatus

Cooperating comminuting surfaces

83341, 83349, 241242, 241294, B02C 1306, B02C 1806

Patent

active

043634532

ABSTRACT:
Continuous scrap edge trimmings are fed from a sheet metal slitter into a scrap chopper incorporating a rotor shaft supporting axially spaced and circumferentially spaced elongated straight cutting bars each having a plurality of selectable straight cutting edges. Each rotary cutting bar revolves past a stationary straight cutting bar also having a plurality of selectable straight cutting edges, and each cutting edge is positioned at a compound angle relative to planes including the axis of the rotor to produce scissor-like shearing of each strip. Each stationary cutting bar is positioned adjacent a spring biased anvil and is supported with the anvil for remote adjustment relative to the path of the corresponding cutting bars on the rotor. Each edge trimming is fed into the cutting bars by a corresponding pair of feed rollers one of which is spring biased and the other of which is independently driven by a corresponding motor.

REFERENCES:
patent: 2757927 (1956-08-01), Bach et al.
patent: 3072397 (1963-01-01), Kelchner
patent: 3799020 (1974-03-01), Hoelmer
patent: 4114491 (1978-09-01), Hashimoto et al.
patent: 4230281 (1980-10-01), Hill et al.

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