Concrete mixer

Agitating – Mortar mixer type – With ingredient proportioning

Patent

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Details

366 46, 366 52, 366606, B28C 704, B01F 704

Patent

active

042681740

ABSTRACT:
A concrete mixer and the like adapted to be attached to the lifting system of a tractor or other vehicle. This mixer comprises a bucket having a cylindrical drum shape, the lateral wall of which is provided with an aperture having a maximum opening of one quarter of a circle. A shaft is mounted in the cylindrical drum along the longitudinal axis thereof and carries radial arms having mixing blades secured to their outer end. Drive means can rotate the shaft in either of the two opposite directions; that is in an unloading direction and in a mixing direction. The bucket is mounted on bearings to pivotally attach it to the lifting system and to pivot it between the unloading position in which the aperture faces downward and the loading and mixing position in which the aperture faces upward. Each mixing blade includes a bar provided along its outer edge with a flexible strip in sweeping engagement with the internal surface of the cylindrical drum and having along its inner edge a row of radial and spaced-apart fingers used to assist the mixing. The tractor is provided with a water tank at its opposite end relative to the bucket and which is used not only to supply water for the ingredients but also as a counterweight to the bucket.

REFERENCES:
patent: 2520033 (1950-08-01), Fuelling
patent: 2547500 (1951-04-01), Selby
patent: 2547787 (1951-04-01), Siebring
patent: 2806680 (1957-09-01), August
patent: 2815195 (1957-12-01), Bolt
patent: 3211436 (1965-10-01), Butterfield

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