Mixing device having axially adjustable mixing blades

Details Mixing device having axially adjustable mixing blades Mixing device having axially adjustable mixing blades

1993-10-01

1994-10-25

Scherbel, David A.

Agitating

Stirrer within stationary mixing chamber

Rotatable stirrer

366314, 366326, 416205, 416246, B01F 716, B01F 1500

Patent

active

053583329

ABSTRACT:
The vessel of a mixing device accommodates a mixing tool having suitable blades fixed to a hub. A rotary drive shaft extends into the vessel and is coupled to the hub in such manner as to rotate the tool while enabling the tool selectively to be displaced axially on the shaft between an operative position in which the blades are in close proximity to the base wall of the vessel, and an inoperative position in which the blades are spaced sufficiently from the base wall to provide access for cleaning. Axial displacement of the tool is controlled through external actuation of a threaded lifting device provided within the hub and acting between the hub and shaft.

REFERENCES:
patent: 254157 (1882-02-01), Roat
patent: 2750162 (1956-06-01), Kircher
patent: 2763473 (1956-09-01), Madden
patent: 4384788 (1983-05-01), Lenart et al.
patent: 4511255 (1985-04-01), Saucier

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