Paddle for use in a rotating-paddle bin level indicator

Electricity: circuit makers and breakers – Special application – Container contents level responsive

Patent

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Details

H01H 3500

Patent

active

040950646

ABSTRACT:
Apparatus for indicating the level of flowable material in a storage bin comprising a motor rotatably suspended within a protective enclosure and having a driveshaft directly coupled to a paddle disposed within the bin to engage material therein. A nipple extending from the enclosure is threadably received within a gland carried by a bin wall with the paddle extending into the bin space. The paddle comprises a hollow tube curved at a fixed radius over an arc of substantially ninety degees, and then flattened or pinched at one end thereof over an arc of about fifty degrees to form a closed bill which may be inserted through the mounting gland.

REFERENCES:
patent: 3322403 (1967-05-01), Murphy
patent: 3436059 (1969-04-01), Donaldson
patent: 3510861 (1970-05-01), McIver et al.
patent: 3542982 (1970-11-01), Gruber

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