Aeronautics and astronautics – Safety lowering devices – Parachutes
Patent
1986-06-23
1988-05-24
Barefoot, Galen
Aeronautics and astronautics
Safety lowering devices
Parachutes
244142, 224159, B64D 1730
Patent
active
047460849
ABSTRACT:
A student's parachute harness attaches to an instructor's parachute harness allowing both to descend in tandem. Detaching snaps at the shoulders and waist of the student's harness detachably engage fittings on generally corresponding portions of the instructor's harness to couple the tandem in proper relative body positions. The fittings at the instructor's shoulders are load distribution fittings which have a flat tangential portion connected to the canopy and reserve risers and a forwardly jutting portion connected to a snap hook on the student's harness. A drogue provides stabilization during a prone free fall by having its riser connected to the instructor's harness where the shoulder straps cross each other in the center of the instructor's back. Pulling a rip cord at the end of the drogue free fall detaches the drogue bridle from the drogue riser to release the drogue which deploys the canopy from a container attached to the instructor's harness. The student's rip cord is operated by a D-ring stowed in the student's harness, while an instructor's rip cord, operatively interconnected with the student's rip cord, is operated by a D-ring stowed in the instructor's harness.
REFERENCES:
patent: 620694 (1899-03-01), Chadwick
patent: 2556923 (1951-06-01), Irvin
patent: 2605065 (1952-07-01), Wilkins
patent: 3018074 (1962-01-01), Quilter
patent: 3088700 (1963-05-01), Carrey
patent: 4337913 (1982-07-01), Booth
patent: 4560097 (1985-12-01), Reynolds
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