Paper shredding machine

Details Paper shredding machine Paper shredding machine

1983-07-05

1986-01-14

Goldberg, Howard N.

Solid material comminution or disintegration

Apparatus

Cooperating comminuting surfaces

83DIG1, 241 375, 241225, B02C 1822

Patent

active

045641463

ABSTRACT:
A paper-shredding machine has a sleeve mounted for limited movement towards and away from a surface of a housing of the machine to define an inlet opening, through which paper can be fed to cutters disposed within the housing. The sleeve normally occupies a position in which the inlet opening is closed but can move relative to the housing to admit paper through the inlet opening.

REFERENCES:
patent: 176176 (1876-04-01), Guilder
patent: 1450723 (1923-04-01), Gillespie
patent: 3428308 (1969-02-01), Bernard
patent: 3860180 (1975-01-01), Goldhammer
patent: 4269403 (1981-05-01), Stephens et al.

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