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US 4,664,342 AGranted
Methods of deploying parachutes
AssigneeThe Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland
InventorDavid J. Jones
Life of this patent
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Abstract
A ram air parachute assembly adapted for deployment by use of static line suitable for use at high altitudes and high drop speeds, the parachute assembly comprising a ram air parachute 21, a pilot parachute 23, attached by a bridle line 22, and slideable square 25 to the ram air parachute, and being packed in a parachute bag 10 attachable to an aircraft by way of a static line 11.
Claims2
A parachute assembly for attachment to a harness and adapted for deployent by a static line, comprising:
- a bag having a closed end and an openable end;
- a static line for attachment to an aircraft, said static line being attached to and extendable from said closed end of the bag;
- a pilot parachute and a ram air type main parachute both enclosed within said bag, the pilot parachute being located within the bag closer than said main parachute to said closed end of the bag;
- rigging lines each attached at one end to the main parachute and adapted to be attached at its other end through the openable end of the bag to the harness;
- a square slidably mounted on said rigging lines;
- a bridle line attached at one end to the square and at its other end through the main parachute to the pilot parachute, whereby in use the static line on becoming taut withdraws the main parachute from the bag before the pilot chute is withdrawn therefrom but full deployment of the main parachute is delayed by the deployment of the pilot parachute creating tension in the bridle line to maintain the square close to the main parachute.
3 more elements
Dependencies are inferred from the claim text.