Mixer blade attachment with flexible fins

  • US 7,690,836 B2
  • Filed: 01/19/2006
  • Issued: 04/06/2010
  • Est. Priority Date: 01/31/2005
  • Status: Active Grant
First Claim
Patent Images

1. An improved blade for a mixer having a drive shaft, comprising:

  • a means for attaching the blade to the drive shaft;

    a mixing body, disposed about an axis of rotation defined by the drive shaft attaching means, the mixing body having, when viewed in profile, a pair of rays that extend outward, forming an obtuse angle, from a vertex, the outward ends of the rays connected to a pair of curved arms that come to a noticeable but blunt point at a bottom of the body, the vertex and point aligned along the axis of rotation; and

    an elastomeric sheath, disposed on at least the pair of curved arms, the elastomeric sheath further comprising means for wiping a surface proximate to the mixing body as the mixing body is rotated by the drive shaft.

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