GB1081117A – Improvements in or relating to fastening devices
– Google Patents
GB1081117A – Improvements in or relating to fastening devices
– Google Patents
Improvements in or relating to fastening devices
Info
Publication number
GB1081117A
GB1081117A
GB2036865A
GB2036865A
GB1081117A
GB 1081117 A
GB1081117 A
GB 1081117A
GB 2036865 A
GB2036865 A
GB 2036865A
GB 2036865 A
GB2036865 A
GB 2036865A
GB 1081117 A
GB1081117 A
GB 1081117A
Authority
GB
United Kingdom
Prior art keywords
members
pistons
detonator
link
block
Prior art date
1965-05-14
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
GB2036865A
Inventor
James Thomas Basnett
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.)
GQ Parachute Co Ltd
Original Assignee
GQ Parachute Co Ltd
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.)
1965-05-14
Filing date
1965-05-14
Publication date
1967-08-31
1965-05-14
Application filed by GQ Parachute Co Ltd
filed
Critical
GQ Parachute Co Ltd
1965-05-14
Priority to GB2036865A
priority
Critical
patent/GB1081117A/en
1967-08-31
Publication of GB1081117A
publication
Critical
patent/GB1081117A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
B—PERFORMING OPERATIONS; TRANSPORTING
B64—AIRCRAFT; AVIATION; COSMONAUTICS
B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
B64D17/00—Parachutes
B64D17/22—Load suspension
B64D17/38—Releasable fastening devices between parachute and load or pack
Abstract
1,081,117. Parachutes. G. Q. PARACHUTE CO. Ltd. April 25, 1966 [May 14, 1965], No. 20368/65. Heading B7G. [Also in Division E2] A fastening device, e.g. for a parachute, comprises a pair of members 11, 12 one of said members 11 carrying one or more pistons 38, 39, or similar movable units, which enter a housing 30 carried by the second of said members 12 to hold the said members together, means by which the or each piston or similar movable unit is moved manually, and other means by which the or each piston is moved to disconnect the said piston or pistons or similar movable unit or units from the said housing to release the two members of the fastening device. In the construction shown there are two pistons 38, 39 carried by the member 11 in cylinders 18, 19, and the housing is in the form of a block 30 which has a T-shaped chamber drilled in it, the bar 32 of the T- shaped chamber accommodating adjacent end portions of the pistons 38, 39 and the stem 47 of the chamber being arranged to hold a detonator 31 which constitutes part of the second means for releasing the two members; the detonator is fired by batteries 34, 35 which produce a current when immersed in water, the water being able to reach the batteries through holes 21 in the member 11; the firing of the detonator pushes the end portions of the pistons out of the block 30 and at the same time the detonator is pushed against a cam surface 51 on the member 11 to positively move the two members apart about their hinge 13. This movement is assisted by gas escaping out of a discharge hole 33 into the space between the two members. Either of the batteries is sufficient to provide enough current to operate the detonator. The manual release means comprises rods 40, 41 upon which the pistons slide under the pressure of the gas, breaking a shear pin before they can move. Each of the rods 40, 41 is carried by a respective L-shaped plate 42, 43 which plates are retained in position on the member 11 by a plate 26 screwed to the member 11; the plates 42, 43 can slide relative to the member 11 and to each other and when they are moved apart by triggers 24, 25 connected to them, the rods 40 and 41 move the pistons out of the block 30 so that the two members can be moved apart. Ball catches 44, 45 are provided which retain the pistons either in the positions of engagement with the block 30 or in their release positions. The triggers 24, 25 are so connected to the plates 42, 43 that they must be moved towards each other to move the plates apart and this movement is normally prevented by a lift block 22 mounted on the upper side of the member 11; the block can be lifted out of the path of the triggers 24, 25 when it is desired to move them together. The hinge pin 13 connecting the two members together at one end also carries a link 14 by which a strap 15 is connected to the fastening device; another strap carrying link 16 is held between the two members 11, 12 when they are in their closed position; as shown, the link 16 has a bar 46 which is engaged between the two members, the members having openings 52, 53 in their end walls for the stem by which the bar is connected to the remainder of the link. In a modification, a loop type of link is used and the member 12 has side openings to enable the link to be engaged with it. Instead of the detonator being fired by a battery it could be fired by barometrically operated or time controlled means contained between the two members or elsewhere, or electrically under manual control by a parachutist. Instead of using pistons, similar units of other than the normal disc-like shape of pistons can be used.
GB2036865A
1965-05-14
1965-05-14
Improvements in or relating to fastening devices
Expired
GB1081117A
(en)
Priority Applications (1)
Application Number
Priority Date
Filing Date
Title
GB2036865A
GB1081117A
(en)
1965-05-14
1965-05-14
Improvements in or relating to fastening devices
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
GB2036865A
GB1081117A
(en)
1965-05-14
1965-05-14
Improvements in or relating to fastening devices
Publications (1)
Publication Number
Publication Date
GB1081117A
true
GB1081117A
(en)
1967-08-31
Family
ID=10144785
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB2036865A
Expired
GB1081117A
(en)
1965-05-14
1965-05-14
Improvements in or relating to fastening devices
Country Status (1)
Country
Link
GB
(1)
GB1081117A
(en)
Cited By (2)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
FR2031510A1
(en)
*
1969-02-19
1970-11-20
Coyle Jan R
FR2412282A2
(en)
*
1977-12-09
1979-07-20
Guilhaudin Andre
Automatic release for car or aircraft seat belt – has pyrotechnic charge in two part housing with springs to maintain engagement of coupling balls
1965
1965-05-14
GB
GB2036865A
patent/GB1081117A/en
not_active
Expired
Cited By (2)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
FR2031510A1
(en)
*
1969-02-19
1970-11-20
Coyle Jan R
FR2412282A2
(en)
*
1977-12-09
1979-07-20
Guilhaudin Andre
Automatic release for car or aircraft seat belt – has pyrotechnic charge in two part housing with springs to maintain engagement of coupling balls
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