Tilt-ball turret with gimbal lock avoidance

  • US 9,156,551 B2
  • Filed: 08/29/2011
  • Issued: 10/13/2015
  • Est. Priority Date: 08/29/2011
  • Status: Active Grant
First Claim
Patent Images

1. A turret assembly for attachment on the undersurface of an aircraft, the assembly comprising:

  • a roll actuator including a drive shaft;

    a yoke having a cross member coupled to the drive shaft and a pair of prongs, the yoke being rotated via the roll actuator and drive shaft along a roll axis oriented substantially parallel to the body of the aircraft;

    a turret mounted on the prongs of the yoke;

    a tilt actuator within the turret, the tilt actuator tilting the turret on a tilt axis relative to the yoke, the tilt axis being perpendicular to the roll axis;

    a fairing containing the roll actuator, the fairing coupled to the undersurface of the aircraft behind the turret; and

    a wiring harness for delivery of electrical signals between the turret and the fairing, the wiring harness including one or more wires having a first portion that extends through the drive shaft and a second portion that is mounted exteriorly of a first prong of the yoke, between the first prong and the turret.

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