Automatic Clutch Employing Expanding Friction Disk and an Adjustable Pressure Plate

  • US 20090242351A1
  • Filed: 03/26/2009
  • Published: 10/01/2009
  • Est. Priority Date: 03/27/2008
  • Status: Active Grant
First Claim
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1. An expanding friction disk apparatus for centrifugal engagement of a clutch comprising:

  • a;

    first plate, a second plate, at least one centrifugal actuating member disposed between said first plate and said second plate, at least one ramping mechanism disposed between said centrifugal actuating member and said first plate and at least one biasing spring disposed between said first plate and said second plate;

    wherein said biasing spring provides a force to urge said first plate and said second plate towards each other and wherein when said expanding friction disk assembly is rotated above a threshold speed, said centrifugal actuating member moves radially outward against the force of said biasing spring and said ramping mechanism causing said expanding friction disk assembly to expand.

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