Spiral propeller

Spiral propeller

  • CN 202,751,188 U
  • Filed: 07/16/2012
  • Issued: 02/27/2013
  • Est. Priority Date: 07/16/2012
  • Status: Active Grant
First Claim
Patent Images

1. spiral propeller is characterized in that it comprises spiral propeller body (1), central shaft (2), gear (3);

  • Central shaft (2) be arranged on spiral propeller body (1) in the heart, gear (3) is arranged on the bottom of spiral propeller body (1), described spiral propeller body (1) is vertical drum type shape, the bottom of spiral propeller body (1) is provided with six screw heads, be the thread (1-1) that starting point has formed the different gradients in six roads by six screw heads, six road threads (1-1) spiral clockwise on the surface of spiral propeller body (1).

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