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US 5,403,091 AGranted
Spindle for rotary mixing device
OwnerJerry W. Thomasinventor
Life of this patent
Estimating the term…
Abstract
A novel rotatable mixing device having two intersecting mixing elements attached to an end of a rotatable shaft. The mixing elements intersect at 90.degree., have a generally U-shaped base portion, liner extensions of the legs of the U-shapes, and tip elements extending linearly from the end of the legs.
Claims4
A mixing device comprising:
- a rotatable shaft, said shaft having a longitudinal axis,
- an upper end for engagement with rotation means and a lower end,
- two mixing elements, each of said mixing elements having a generally U-shaped base portion,
- each of said U-shaped base portions of said two mixing elements having a midpoint where said base portions intersect at 90.degree., and where said mixing elements are attached to the lower end of said shaft,
- each of said generally U-shaped base portions of said two mixing elements having a linear element extending upwardly and parallel to the longitudinal axis of said shaft from each of the two legs of the U of said generally U-shaped base portions,
- each of said upwardly extending linear elements having a tip element, and
- each of said tip elements intersecting the associated linear element at an angle of 20.degree. to 55.degree..
4 more elements
Dependencies are inferred from the claim text.