GB782667A - Improvements in or relating to connections for connecting and disconnecting a parachute to and from its load - Google Patents

Improvements in or relating to connections for connecting and disconnecting a parachute to and from its load

Info

Publication number
GB782667A
GB782667A GB2576553A GB2576553A GB782667A GB 782667 A GB782667 A GB 782667A GB 2576553 A GB2576553 A GB 2576553A GB 2576553 A GB2576553 A GB 2576553A GB 782667 A GB782667 A GB 782667A
Authority
GB
United Kingdom
Prior art keywords
hook
spring
stop
lever
detent
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB2576553A
Inventor
George Anderson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
National Research Development Corp UK
Original Assignee
National Research Development Corp UK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by National Research Development Corp UK filed Critical National Research Development Corp UK
Priority to GB2576553A priority Critical patent/GB782667A/en
Publication of GB782667A publication Critical patent/GB782667A/en
Application status is Expired legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64DEQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLYING SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D17/00Parachutes
    • B64D17/22Load suspension
    • B64D17/38Releasable fastening devices between parachute and load or pack
    • B64D17/383Cargo release hooks

Abstract

782,667. Hooks; time-delayed fastenings. NATIONAL RESEARCH DEVELOPMENT CORPORATION. Dec. 7, 1954 [Sept. 17, 1953], No. 25765/53. Classes 44 and 89(2) [Also in Group XXI] A hook-device for connecting and disconnecting a load to and from a parachute, comprises a body 1 with end-cap 2 and sidearms 2b, between which is pivoted hook 4 to engage a load-link 7 and encased by a cover 21. The load tends to turn the hook to release link 7 but is prevented by the hook abutting a trip-lever 9 which is urged by a spring 14 to release the hook, and which engages, by a detent 15, a stop 16. Stop 16 is attached to a time-delay mechanism, e.g. a dashpot, or a gear-driven escapement 17, which includes a pallet and is actuated by a spring 19 through a stationary screw 34 engaging the threaded bore of the first gear of the escapement. The hook-device is loaded by removing a cover 21 and hook 4 with pivot 5, rotating lever 9 against spring 14, pulling down stop 16, engaging detent 15 in recess 18 of the stop, replacing the hook with link 7 in position and finally replacing cover 21. In use, the sudden force as the parachute opens causes lever 9 to turn slightly and move detent 15 out of recess 18, whereupon spring 19 moves mechanism 17 through clearance 34a between a crew 34 and cap 2. Thus, detent 15 can no longer engage recess 18 and spring 19 causes operation of mechanism 17 which ultimately abuts cap 2 with stop 16 clear of lever 9. In this condition, the hook will remain closed so long as the drag exceeds the force of spring 14, but lever 9 will trip when spring 14 predominates, whereupon any drag will turn hook 4 anti-clockwise and release link 7.
GB2576553A 1953-09-17 1953-09-17 Improvements in or relating to connections for connecting and disconnecting a parachute to and from its load Expired GB782667A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2576553A GB782667A (en) 1953-09-17 1953-09-17 Improvements in or relating to connections for connecting and disconnecting a parachute to and from its load

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2576553A GB782667A (en) 1953-09-17 1953-09-17 Improvements in or relating to connections for connecting and disconnecting a parachute to and from its load

Publications (1)

Publication Number Publication Date
GB782667A true GB782667A (en) 1957-09-11

Family

ID=10232935

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2576553A Expired GB782667A (en) 1953-09-17 1953-09-17 Improvements in or relating to connections for connecting and disconnecting a parachute to and from its load

Country Status (1)

Country Link
GB (1) GB782667A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1431205B1 (en) * 1964-04-16 1969-12-04 Autoflug Gerhard Sedlmayr Gmbh Parachute clutch
US5687931A (en) * 1993-09-23 1997-11-18 Irvin Industries Canada Limited Parachute ground disconnecting devices
EP2121442A1 (en) * 2007-01-16 2009-11-25 Airborne Systems Canada Ltd. Parachute ground disconnecting device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1431205B1 (en) * 1964-04-16 1969-12-04 Autoflug Gerhard Sedlmayr Gmbh Parachute clutch
US5687931A (en) * 1993-09-23 1997-11-18 Irvin Industries Canada Limited Parachute ground disconnecting devices
EP2121442A1 (en) * 2007-01-16 2009-11-25 Airborne Systems Canada Ltd. Parachute ground disconnecting device
EP2121442A4 (en) * 2007-01-16 2013-09-04 Airborne Systems Canada Ltd Parachute ground disconnecting device

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