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Projectile guidance

  • US 5,085,380 A
  • Filed: 09/06/1988
  • Issued: 02/04/1992
  • Est. Priority Date: 09/10/1987
  • Status: Expired due to Fees
First Claim
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1. Airfoil actuating system for a projectile comprising:

  • a tubular member mounted in the projectile for fore and aft movement with respect to the projectile,a crank member coupled between a projectile airfoil and the tubular member for said fore and aft movement of the tubular member to turn the airfoil, anda push-pull actuator for driving said fore and aft movement of the tubular member,wherein a portion of at least one of said push-pull actuator and said crank member is engaged in an annular channel formed in the tubular member so that the tubular member and said portion can rotate relative to one another.

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