Multi-stage parachute release

Details Multi-stage parachute release Multi-stage parachute release

1996-10-01

1999-03-30

Barefoot, Galen L.

Aeronautics and astronautics

Safety lowering devices

Parachutes

244151B, 244152, B64D 1738

Patent

active

058878254

ABSTRACT:
A parachute release mechanism is provided which is compact, lightweight, and free from external wire harnesses. The release mechanism includes a passage connected between a source of pressurized gas and a piston chamber having a piston disposed therein. A shear pin is disposed in an opening in the piston and in the piston chamber. Activation of the source of pressurized gas causes the piston to move forward shearing the shear pin and either deploying or releasing a parachute.

REFERENCES:
patent: 2502470 (1950-04-01), Martin
patent: 3713387 (1973-01-01), Karp
patent: 3730099 (1973-05-01), Schoop
patent: 3872556 (1975-03-01), Frost
patent: 3926391 (1975-12-01), Nordine
patent: 3992999 (1976-11-01), Chevrier et al.
patent: 4637577 (1987-01-01), Miseyko et al.
patent: 4721272 (1988-01-01), Nordhaus
patent: 4953813 (1990-09-01), Postler et al.
patent: 5386781 (1995-02-01), Day

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