Concrete mixer

Details Concrete mixer Concrete mixer

1983-07-27

1985-06-11

Jenkins, Robert W.

Agitating

Mortar mixer type

Movable mixing chamber

366 59, 366224, 366228, 366332, B01F 908

Patent

active

045224994

ABSTRACT:
The invention relates to a concrete mixer, particularly to a truck-mounted concrete mixer, comprising a drum and an actuatable additional mixer tool projecting into the drum from the bottom thereof substantially in the direction of the drum axis. A rotatably driven mixer tool of this type requires the employ of additional gearing, and a sealing assembly for the passage of its shaft through the drum bottom is very complicated and subjected to wear. In accordance with the invention, these disadvantages are avoided by the provision that the mixer tool is adapted to be moved in the axial direction. This permits a cylinder-piston unit to be employed as the drive source for the mixer tool. No gearing is required, and sealing as well as maintenance are simplified.

REFERENCES:
patent: 1196612 (1916-08-01), Taylor
patent: 3807195 (1974-04-01), Faulbecker
patent: 3933341 (1976-01-01), Hudelmaier
patent: 3945311 (1976-03-01), Gasbarro

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