GB705511A - Improvements relating to safety devices for aircraft pilots - Google Patents
Improvements relating to safety devices for aircraft pilotsInfo
- Publication number
- GB705511A GB705511A GB386851A GB386851A GB705511A GB 705511 A GB705511 A GB 705511A GB 386851 A GB386851 A GB 386851A GB 386851 A GB386851 A GB 386851A GB 705511 A GB705511 A GB 705511A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cylinder
- cylinders
- sleeve
- aircraft
- breech
- 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
Links
- 239000002360 explosive Substances 0.000 abstract 3
- 239000007789 gas Substances 0.000 abstract 2
- 239000006096 absorbing agent Substances 0.000 abstract 1
- 238000010304 firing Methods 0.000 abstract 1
- 229910001234 light alloy Inorganic materials 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000000717 retained effect Effects 0.000 abstract 1
- 230000035939 shock Effects 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D25/00—Emergency apparatus or devices, not otherwise provided for
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Earth Drilling (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
705,511. Ejector seats for aircraft. M. L. AVIATION CO., Ltd., and LOBELLE, M. J. O. Feb. 8. 1952 [Feb. 16, 1951], No. 3868/51. Addition to 590,253. Class 4 A modification of the safety device for use by pilots of aircraft as claimed in the parent Specification including a gun for set ejection comprises three or more cylinders, telescopically arranged and mounted to slide in an upward direction, in which the outer cylinder is fixed to the aircraft and the inner cylinder to the seat and the remaining cylinder or cylinders are retained by the fixed outer cylinder when fully extended under the action of the explosive charge. The cylinder arrangement comprises an outer cylinder 1, formed with a sleeve 2, to which a base cap 3 is attached for connection to the aircraft structure; an inner cylinder 4 formed at its base with a sleeve 7 and at its upper end with a connection to a trunnion block 5 on the back of the seat, and an intermediate cylinder 6. The sleeve 2 is formed with radial grooves to accommodate balls 10 held in contact with recesses in the sleeve 7 by a retaining ring 14 held in the locking position by a spring 31. The end face of a sleeve 8 attached to the cylinder 6 is placed in communication with the explosive gases by the provision of ports 13 in the sleeve 7 and the outer face of the cylinder is formed with longitudinally directed serrations 16 which cut into a light alloy shock absorber ring 17 within the top of the outer cylinder when the cylinders are fully extended under the action of the explosive charge. The breech 18 is pivotally mounted at 28 to side plates 19 on the trunnion block 5, a roller 20 on the breech engaging an arcuate slot 21 in one side plate. The breech is swung out of engagement with an exhaust 35 and into line with the cylinders by means of a cam 22 which is pivoted at 23 and moved by a rod 34 to engage the roller 20. A pair of links 25, 27 actuate the cartridge firing mechanism when the breech 18 is aligned with the cylinders and expanding gases depress the ring 14 to free the balls 10 and release the inner cylinder which leaves the aircraft with the seat when the intermediate and outer cylinders are in their fully extended position. Specification 645,323 is referred to and the Provisional Specification refers to Specification 704,332.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB386851A GB705511A (en) | 1951-02-16 | 1951-02-16 | Improvements relating to safety devices for aircraft pilots |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB386851A GB705511A (en) | 1951-02-16 | 1951-02-16 | Improvements relating to safety devices for aircraft pilots |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB705511A true GB705511A (en) | 1954-03-17 |
Family
ID=9766402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB386851A Expired GB705511A (en) | 1951-02-16 | 1951-02-16 | Improvements relating to safety devices for aircraft pilots |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB705511A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2951420A (en) * | 1955-10-13 | 1960-09-06 | Svenska Aeroplan Ab | Ejection gun for aircraft ejection seat |
-
1951
- 1951-02-16 GB GB386851A patent/GB705511A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2951420A (en) * | 1955-10-13 | 1960-09-06 | Svenska Aeroplan Ab | Ejection gun for aircraft ejection seat |
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