×

Tandem winch reels

  • US 4,721,051 A
  • Filed: 12/23/1985
  • Issued: 01/26/1988
  • Est. Priority Date: 12/23/1985
  • Status: Expired due to Fees
First Claim
Patent Images

1. Apparatus comprising a tandem-reel winch system, a line and a centerboard keel;

  • wherein said tandem-reel winch system comprises a first cylindrical reel, a second cylindrical reel in series with said first reel, and a means for rotating said reels;

    wherein said line is wound in a first direction around said first reel;

    wherein said line runs from said first reel around a substantial portion of the periphery of said keel to said second reel;

    wherein said line is wound in a reverse direction around said second reel; and

    wherein said keel can be raised or lowered by rotation of said reels.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×