Reserve parachutes

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4467986
SERIAL NO

06298690

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A reserve parachute for deployment under low descent speeds includes a rubber ring packed with the canopy and rigging lines and attached to the canopy in the region of the canopy apex and being disposed concentric with respect to a vent hem of the canopy. Upon deployment the ring expands to increase profile drag to ensure the canopy mouth faces substantially downwardly during deployment. The peripheral hem of the canopy at the canopy mouth is stiffened with a tape loop treated with polyurethane so that the peripheral hem springs apart upon deployment. An inhibitor tie is attached to a loop of the folded rigging lines within the pack to permit only a part of the rigging to be released initially; the inhibitor tie breaks at a predetermined tension in the lines to permit the remainder of the rigging lines to be released and to permit fully canopy deployment.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Birch, Stanley A c/o Irvin Great Britain Limited, Icknield Way, Letchworth, Hertfordshire, GB2 1 3
Edmonds, Eric J F c/o PQ Division N.A.M.M.A. Arabella Strasse 16,8, Munich 36, DE 1 3
Gigg, Robert V c/o ADAES, A & AEE, Boscombe Down, Wilshire, GB2 1 3
Haggert, Norman L c/o ADAES, A & AEE, Boscombe Down, Wilshire, GB2 1 3
Jackson, Sidney B c/o Irvin Great Britain Limited, Icknield Way, Letchworth, Hertfordshire, GB2 1 3

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