Agitating – Stirrer within stationary mixing chamber – Rotatable stirrer
Patent
1977-08-10
1979-01-30
Jenkins, Robert W.
Agitating
Stirrer within stationary mixing chamber
Rotatable stirrer
277 87, 366292, 416174, B01F 706
Patent
active
041369742
ABSTRACT:
An industrial cleaning machine that has a driven propeller means extending from a housing assembly for stirring liquid in the tank and an output shaft connected to the propeller means and carried by the housing assembly, the tank having an ear portion on a side thereof for receiving the propeller means. An apertured top plate extends over and forms a cover enclosure for this ear portion and the propeller means and housing assembly, which is of substantially L-shape, are supported on such cover enclosure. The apparatus has a seal assembly including a first seal ring having a flat side edge face thereon extending normal to the axis of the output shaft operatively positioned on the output shaft and a second seal ring having a flat side edge face thereon positioned adjacent to and engaging the first ring side edge face, tubular cover and compression means operatively engage the output shaft and seal rings to force the adjacent seal faces together to form a liquid and lubricant seal for the housing. The cover and compression means include an O-ring carried on a sleeve on the output shaft and metal rings on each side of the O-ring and having faces tapering in towards and engaging the O-ring and compressing it against the sleeve to form a liquid seal therearound.
REFERENCES:
patent: 3092185 (1963-06-01), Alexander
patent: 3313551 (1967-04-01), Voitik
patent: 3722896 (1973-03-01), Tankus
patent: 3762690 (1973-10-01), Harrington
patent: 3964733 (1976-06-01), Tutzschky
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