Solid material comminution or disintegration – Apparatus – With automatic control
Patent
1997-05-29
1998-07-07
Husar, John M.
Solid material comminution or disintegration
Apparatus
With automatic control
241100, 241236, B02C 1824, B02C 1840
Patent
active
057756058
ABSTRACT:
A shredding machine includes a machine housing having a top wall formed with an inlet, a cutting device disposed in the housing adjacent to the inlet, and a contact-type control switch assembly mounted on the top wall of the housing and connected electrically to the cutting device. The control switch assembly includes a multi-position slide switch with a slider, and a contact switch. The top wall of the housing is formed with an access hole having a front portion adjacent to the inlet and aligned with the contact switch, and a rear portion distant from the inlet and aligned with the slide switch. A switch actuator unit includes a slider actuator that is mounted slidably in the rear portion of the access hole and that engages the slider, and a contact arm actuator connected to the slider actuator and disposed in the front portion of the access hole. The slider actuator is movable in the access hole so as to move the slider between first and second switch positions and so as to move the contact arm actuator between an extended position, where the contact arm actuator extends into the inlet, and a retracted position, where the contact arm actuator ceases to extend substantially into the inlet.
REFERENCES:
patent: 4200239 (1980-04-01), Simone et al.
patent: 5167374 (1992-12-01), Strohmeyer
patent: 5188301 (1993-02-01), Hasegawa
patent: 5236138 (1993-08-01), Stangenberg et al.
patent: 5429313 (1995-07-01), Schwelling
patent: 5538193 (1996-07-01), Takahashi et al.
patent: 5662280 (1997-09-01), Nishio et al.
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