Mixing machines
OwnerThomas J. Teagleinventor
Life of this patent
Estimating the term…
Abstract
In a rotary drum mixing machine of the kind in which the drum is rotated in opposite directions to mix and eject its contents respectively by a prime-mover operating through driving and driven means on a prime-mover driven shaft and the closed end of the drum respectively, reversal of the direction of rotation of the drum can be effected without reversing the prime-mover by a pivotally mounted pair of gear wheels which are continuously driven in opposite directions by the prime-mover and are alternately movable into operative engagement with the driving means for the drum.
Claims11
A rotary drum mixing machine of the kind in which the drive to the drum includes driven means secured to the drum and operatively connected to driving means on a prime-mover driven shaft, said machine comprising drive transmission means which permit reversal of the direction of rotation of the drum without having to reverse the prime mover, said drive transmission means being interposed between the driving means and the prime-mover driven shaft and including two gear wheels mounted for continuous meshing engagement with one another on parallel shafts, one of said shafts being operatively connected to the prime mover driven shaft for continuous rotation of said gear wheels in opposite directions about the shaft axes, both of said shafts being rotatably mounted in a cradle which is pivotable about an axis parallel with the axes of rotation of said gear wheels, said cradle being adapted to selectively move each gear wheel into and out of a position in which its rotation is transmitted through said driving means and said driven means to rotate said drum in one or the other direction.
Dependencies are inferred from the claim text.