Solid material comminution or disintegration – Apparatus – With means to protect operator from injury
Patent
1981-02-25
1983-08-02
Goldberg, Howard N.
Solid material comminution or disintegration
Apparatus
With means to protect operator from injury
B02C 1816, B02C 2304
Patent
active
043961592
ABSTRACT:
A protective guide and blocking structure are provided for preventing inadvertent actuation by a misaligned or tilted cover on a food processor of the type including tool drive means driven by a motor located in a base with control means for rendering the motor drive inoperative unless the control means is actuated. When the components of the food processor are properly positioned, the control means becomes actuated to permit operation of the motor drive for rotating the tool. The actuating means is a movable rod in a boss on the bowl defining a guideway through which the rod moves. The boss has a keyway-configured, slotted cap covering the upper end of the rod, and the actuator has a surface with a keyway therein which fits into the slotted cap and is capable of passing therethrough for depressing the movable rod. The protective apparatus in accordance with the present invention includes a vertical rib which partially extends upwardly along the rear front edge of the keyway-configured slot. A cooperating recessed shoulder is provided on the inside of the complementary keyway-configured actuator such that the recessed shoulder contacts and engages the vertical rib for preventing the actuator from entering the protective cap when the actuator is improperly aligned in the cap, thus preventing the cover from being misaligned or tilted on the bowl. A radial ledge on the bowl diametrically opposite the movable rod and a complementary lug on the cover further insure proper alignment of the cover.
REFERENCES:
patent: D254161 (1980-02-01), Verdun
patent: 3985304 (1976-10-01), Sontheimer
patent: 4113188 (1978-09-01), Belinkoff
patent: 4184641 (1980-01-01), Coggioca
patent: 4213570 (1980-07-01), Jones
Cuisinarts, Inc.
Goldberg Howard N.
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