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Self-adjusting crankshaft drive

  • US 5,439,360 A
  • Filed: 07/22/1991
  • Issued: 08/08/1995
  • Est. Priority Date: 07/22/1991
  • Status: Expired due to Term
First Claim
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1. A self-adjusting crankshaft drive comprising:

  • driven means having an axially extending opening therein;

    a crankshaft having an axis;

    axially extending drive means integral with said crankshaft and eccentrically located with respect to said axis;

    said drive means being drivingly located in said opening of said driven means and one of said drive means and driven means having an axially curved surface and the other one of said drive means and driven means having a corresponding flat surface parallel to said axis whereby when said crankshaft rotates about said axis, said drive means rotates eccentrically with respect to said axis and coacts with and drives said driven means such that said axially curved surface engages said corresponding flat surface at an essentially constant axial location relative to said axis even when said drive means is deformed under load.

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