Concrete batch mixer

Details Concrete batch mixer Concrete batch mixer

2011-06-28

2011-06-28

Sorkin, David L (Department: 1774)

Agitating

Mortar mixer type

Movable charge hopper or chute

C366S044000

Reexamination Certificate

active

07967496

ABSTRACT:
A batch mixer comprises a mixing drum rotatable about a longitudinal axis extending between an inlet opening and a discharge opening at opposing ends of the drum. Mixing members and transfer members supported in the drum mix the material when rotated in a first direction and transfer the material to the discharge opening when rotated in an opposing direction. An inlet chute for charging the drum and a discharge chute for emptying the drum communicate with the inlet opening and the discharge opening respectively. The inlet chute pivots relative to the drum about a vertical axis from a charging position in communication with the inlet opening to an access position in which the inlet opening is unobstructed by the inlet chute. The inlet end wall locating the inlet opening therein is removable for greater access.

REFERENCES:
patent: 1048738 (1912-12-01), Sanborn
patent: 1058803 (1913-04-01), Smith
patent: 1190927 (1916-07-01), Mandt
patent: 1514032 (1924-11-01), Blood
patent: 3112100 (1963-11-01), Prichard
patent: 4268175 (1981-05-01), Norlie et al.
patent: 4403865 (1983-09-01), Fejmert
patent: 5380085 (1995-01-01), Milek
patent: 5429434 (1995-07-01), Milek

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