GB741467A - Improvements in or relating to retractable landing gears for aircraft - Google Patents
Improvements in or relating to retractable landing gears for aircraftInfo
- Publication number
- GB741467A GB741467A GB33828/53A GB3382853A GB741467A GB 741467 A GB741467 A GB 741467A GB 33828/53 A GB33828/53 A GB 33828/53A GB 3382853 A GB3382853 A GB 3382853A GB 741467 A GB741467 A GB 741467A
- Authority
- GB
- United Kingdom
- Prior art keywords
- aircraft
- axis
- undercarriage
- leg
- wheel
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/02—Undercarriages
- B64C25/08—Undercarriages non-fixed, e.g. jettisonable
- B64C25/10—Undercarriages non-fixed, e.g. jettisonable retractable, foldable, or the like
- B64C25/14—Undercarriages non-fixed, e.g. jettisonable retractable, foldable, or the like fore-and-aft
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
741,467. Aircraft undercarriages. SOC. D'INVENTIONS AERONAUTIQUES ET MECANIQUES S.I.A.M. Dec. 4, 1953 [Aug. 14, 1953], No. 33828/53. Class 4. In an aircraft undercarriage in which the wheel is rotated through a predetermined angle about the longitudinal axis of the undercarriage, the leg 1, which is retracted about the axis A-A in the direction of arrow f<SP>1</SP> by shortening of the jack V, encloses a rotatable cylinder 3 which houses a shock-absorber 4 and is connected to the axle of the wheel 6. The upper end of the cylinder 3 is formed with forks 7 to carry a pivot pin 9 on an axis which is normal to and intersects the longitudinal axis of the leg 1, an arm 10 being pivotally mounted at one end on the pin 9 and at the other end in an elbow member 11 connected to a shaft 12 concentric with the axis A-A and connected to a lever 13 rigidly fixed to the structure of the aircraft. Consequently when the undercarriage is retracted the elements 7, 9, 10 and 11 act as a swash-plate mechanism to cause the tube 3 and the wheel 6 to rotate about the axis of the leg 1 from the position shown in Fig. 2 to the position of Fig. 3. In a further embodiment (Figs. 4-6, not shown) wherein provision is made for shimmy damping and steering movements of the undercarriage, the member 11, instead of being fast with the aircraft structure, constitutes the operating arm of hydraulic steering motor.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR741467X | 1953-08-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB741467A true GB741467A (en) | 1955-12-07 |
Family
ID=9138202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB33828/53A Expired GB741467A (en) | 1953-08-14 | 1953-12-04 | Improvements in or relating to retractable landing gears for aircraft |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB741467A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2132578A (en) * | 1982-12-30 | 1984-07-11 | Messier Hispano Sa | Aircraft landing gear |
| GB2137147A (en) * | 1983-03-25 | 1984-10-03 | Messier Hispano Bugatti Sa | Nose-wheel type landing gear for aircraft |
-
1953
- 1953-12-04 GB GB33828/53A patent/GB741467A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2132578A (en) * | 1982-12-30 | 1984-07-11 | Messier Hispano Sa | Aircraft landing gear |
| GB2137147A (en) * | 1983-03-25 | 1984-10-03 | Messier Hispano Bugatti Sa | Nose-wheel type landing gear for aircraft |
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