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Winch for boat trailer

  • US 7,017,887 B1
  • Filed: 11/22/2004
  • Issued: 03/28/2006
  • Est. Priority Date: 11/22/2004
  • Status: Expired due to Fees
First Claim
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1. A winch for operating off a 12-volt DC power supply so as to draw fewer than 30 amps comprising in combination:

  • a motor having an output shaft with a first gear;

    a first gear pair having a second gear for meshing with said first gear and a third gear, said second gear having a greater diameter than said first gear and said third gear having a smaller diameter than said second gear, said second and third gears being operatively interconnected to rotate in unison;

    a second gear pair having a fourth gear meshed with said third gear and having a diameter at least as great as said third gear and a fifth gear of a smaller diameter than said fourth gear, said fourth and fifth gears being operatively interconnected to rotate in unison;

    a sixth gear meshed with said fifth gear, said sixth gear having a greater diameter than said fifth gear;

    a seventh gear having a smaller diameter than said sixth gear and adapted to be rotated in unison with said sixth gear;

    an eighth gear meshed with said seventh gear and having a diameter greater than said seventh gear;

    a spool operatively connected to said eighth gear to rotate in unison therewith; and

    a compressible, flexible cable made of a synthetic material having one end anchored to said spool, said cable being wrappable about said spool upon energization of said motor.

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  • 3 Assignments
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