Patent ID: 6059449
Filing Date: 2000-05-09
Classification: B01F

Abstract:
A rotatable mixing head assembly attachable to a boom of an excavating machine, the rotatable mixing head assembly comprising:a. A torque tube having an axis, a first end and a second end, the torque tube further comprising:i. A means for providing rotary power mounted within the torque tube adjacent to the first end of the torque tube; the means for providing rotary power axially aligned with the axis of the torque tube and having an output shaft; and,ii. A mounting assembly attached to the second end of the torque tube for removably attaching the rotatable mixing head assembly to the boom of an excavating machine;b. a rotatable mixing head comprising:i. A casing axially aligned with and enclosing the first end of the torque tube; the casing externally having a plurality of sockets for receiving a plurality of mixing arms;ii. the output shaft of the means for providing rotary power connected to the casing, so that the casing rotates about the first end of the torque tube;iii. the output shaft of the means for providing rotary power, the casing and the first end of the torque tube defining a cavity; and,iv. a means for sealing the cavity from the external environment.