Single vertical motion feedtube protector and actuator for a foo

Details Single vertical motion feedtube protector and actuator for a foo Single vertical motion feedtube protector and actuator for a foo

1983-10-17

1985-04-23

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

With means to protect operator from injury

2412821, B02C 2500

Patent

active

045125228

ABSTRACT:
A feedtube protector and actuator for a food processor having a cover with a feedtube of relatively large cross-sectional area, sometimes called an "expanded" feedtube. The cover remains secured in its normal operating position on the bowl during loading of food items into the feedtube. A single vertical downward movement of the protector apparatus onto the feedtube following loading causes the actuator to depress the movable control rod for rendering the motor drive operable. Conversely, a single vertical upward movement of the protector apparatus off from the feedtube fully exposes the feed passageway while simultaneously releasing the movable control rod for rendering the motor drive inoperable. The upper end of the control rod is covered by a protective cap. In one embodiment, the actuator converts downward or upward motion of the protector apparatus into lateral extension or retraction, respectively, of a tongue-shaped cam member contacting the control rod through apertures in the sidewalls of the protective cap for respectively depressing or releasing the control rod. In another embodiment a pivoted arm mounted on the cover enters into such apertures to contact the upper end of the control rod for transmission of downward or upward motion of the protector apparatus into depression or release of the control rod. The protector apparatus includes a downwardly extending actuator leg for depressing the pivoted arm and a manually releasable latching leg.

REFERENCES:
patent: 4216917 (1980-08-01), Clare et al.
patent: 4226373 (1980-10-01), Williams

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