Solid material comminution or disintegration – Apparatus – With means to protect operator from injury
Patent
1980-11-03
1983-02-15
Rosenbaum, Mark
Solid material comminution or disintegration
Apparatus
With means to protect operator from injury
2412821, B02C 1812
Patent
active
043736777
ABSTRACT:
In a safety device for electric motor driven kitchen utensils to make shredding or agitating meats and vegetables in short time, especially the one using one switch and not using conventional safety switch in series connection, the safety device works in such a manner that the switch can be closed only when a container lid is rightly placed on a container and can not be closed when the lid is removed from the rightly closed position, and that when the lid is taken off from the container, the switch is automatically opened. Furthermore, when a push-button to close the switch is being pressed, the lid can not be removed from the container because the lid is inter-locked with the switch to make sure for safety.
REFERENCES:
patent: 4111372 (1978-09-01), Hicks et al.
patent: 4113188 (1978-09-01), Belinkoff
patent: 4216917 (1980-08-01), Clare et al.
patent: 4297038 (1981-10-01), Falkenbach
Matsushita Electric - Industrial Co., Ltd.
Rosenbaum Mark
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