Food processor interlock

Details Food processor interlock Food processor interlock

1977-04-25

1978-09-05

Goldberg, Howard N.

Solid material comminution or disintegration

Apparatus

With means to protect operator from injury

2412821, B02C 1812

Patent

active

041113721

ABSTRACT:
In a food processor with a power base having a bowl supporting portion and driven shaft extending vertically therefrom, an adjacent upstanding motor-containing housing of bowl height with a bowl on the portion containing a cutter on the shaft and an internal switch controlled motor energizing circuit, there is provided an improved interlock system comprising a bowl lid with structure operatively securing the lid to the bowl opposite the motor housing when the lid is rotated axially of the shaft toward the housing. A housing opening at lid height is provided opposite the securing structure and a probe-carrying arm on the lid is movable into the opening on lid rotation. Releasable arm locking/switch activating structure is provided internally of the opening that includes biased slider mechanism and an external release knob movable to overcome the bias whereby the circuit is deenergized by opening the internal switch on knob actuation so that the processor is rendered inoperative whenever the lid is removed from the bowl.

REFERENCES:
patent: 2982483 (1961-05-01), Heinemans
patent: 3434518 (1969-03-01), Motis
patent: 3493022 (1970-02-01), Mantelet
patent: 3892365 (1975-07-01), Verdun

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