Parachutes

BPERFORMING OPERATIONS TRANSPORTING B64Aviation B64DEQUIPMENT FOR FITTING IN OR TO AIRCRAFT FLYING SUITS PARACHUTES ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT

B64D17/00Parachutes

B64D17/02Canopy arrangement or construction B64D17/025for gliding chutes B64D17/04formed with two or more canopies arranged about a common axis B64D17/06formed with two or more canopies arranged in a cluster B64D17/08Secondary or shock-absorbing canopies attached to load line B64D17/10Ribbon construction or the like B64D17/12constructed to provide variable or non-uniform porosity over area of canopy B64D17/14with skirt or air-deflecting panels B64D17/16secured to hem of main canopy B64D17/18Vent arrangement or construction B64D17/20variable in area B64D17/22Load suspension B64D17/24Rigging lines B64D17/26attached to hem of canopy B64D17/28attached to apex of canopy B64D17/30Harnesses B64D17/32Construction of quick-release box B64D17/34adapted to control direction or rate of descent B64D17/343by reefing means B64D17/346by anti-squid lines B64D17/36incorporating friction devices or frangible connections to reduce shock loading of canopy B64D17/38Releasable fastening devices between parachute and load or pack B64D17/383Cargo release hooks B64D17/386Devices adapted to cut lines or straps B64D17/40Packs B64D17/42rigid B64D17/44forming part of load B64D17/46Closing means B64D17/48with separate pack for extractor of auxiliary parachute B64D17/50formed with separate compartments for main canopy, rigging lines, or auxiliary parachute B64D17/52Opening B64D17/54automatic B64D17/56responsive to barometric pressure B64D17/58responsive to time-delay mechanism B64D17/60by static line B64D17/62Deployment B64D17/64by extractor parachute B64D17/66attached to hem of main canopy B64D17/68attached to apex of main canopy B64D17/70by springs B64D17/72by explosive or inflatable means B64D17/725by explosive means B64D17/74Sequential deployment of a plurality of canopies B64D17/76facilitated by method of folding or packing B64D17/78in association with other load-retarding apparatus B64D17/80in association with aircraft