Solid material comminution or disintegration – Apparatus – With means to protect operator from injury
Patent
1985-08-12
1986-12-30
Rosenbaum, Mark
Solid material comminution or disintegration
Apparatus
With means to protect operator from injury
241 92, B02C 1812, B02C 2500
Patent
active
046323198
ABSTRACT:
An electric device, for example a shredder, comprises a cutter mounted on a base and driven by an electric motor, the cutter being concealed by a removable feed chute. A plug connector of a cord set is movably secured to the feed chute, and is moved towards and away from the feed chute to plug it with and unplug it from a plug connector of the motor. The plugging together of the plug connectors prevents removal of the feed chute; it being necessary to unplug the connectors to disconnect electrical supply to the motor by moving the cord set plug connector outwardly of the base before the feed chute can be removed to expose the cutter. Preferably, the cord set has incompatible plug connectors at each end to prevent a normal extension cord being plugged to said motor plug connector when said feed chute is removed.
REFERENCES:
patent: 2894551 (1959-07-01), Otto
patent: 2899140 (1959-08-01), Hellyer
patent: 2934116 (1960-04-01), Dannenmann
patent: 4360166 (1982-11-01), Biersack
Fishpaugh Charles E.
Hagedorn Leonhard
Hahn A. David
Schlund Gerald
Bartlett Edward D. C.
Black & Decker Inc.
Murphy Edward D.
Rosenbaum Mark
Yocum Charles E.
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