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Position and restraint system for aircrewman

  • US 4,437,628 A
  • Filed: 06/29/1979
  • Issued: 03/20/1984
  • Est. Priority Date: 06/29/1979
  • Status: Expired due to Term
First Claim
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1. A system for positioning and restraining an aircrewman in an aircraft ejection seat catapulted by a thrust motor comprising, in combination:

  • a torso harness suit including lap belt means formed to be releasably connected at one end to the seat, and shoulder strap means;

    retracting means formed to be secured to the seat including restraint strap means releasably connected at the outer ends to said shoulder strap means;

    inflatable vest means formed to be worn by the aircrewman and positioned beneath the front and shoulder portions of said suit adjacent to said lap belt means and said shoulder strap means for forcing upper and lower torso of the aircrewman against the back of the seat; and

    control means operable by the aircrewman for emergency escape including first actuator means connected to said retracting means for concomittantly retracting said restraint strap means and inflating said vest means, and second actuator means formed to be connected to the thrust motor for initiating ejection a predetermine time after operation of said first actuating means;

    whereby the aircrewman'"'"'s spinal column is positioned as near as possible along the direction of seat ejection.

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