FR2172430A1 - - Google Patents
Info
- Publication number
- FR2172430A1 FR2172430A1 FR7306387A FR7306387A FR2172430A1 FR 2172430 A1 FR2172430 A1 FR 2172430A1 FR 7306387 A FR7306387 A FR 7306387A FR 7306387 A FR7306387 A FR 7306387A FR 2172430 A1 FR2172430 A1 FR 2172430A1
- Authority
- FR
- France
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/46—Blades
- B64C27/473—Constructional features
- B64C27/50—Blades foldable to facilitate stowage of aircraft
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Hydraulic Motors (AREA)
- Transmission Devices (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US22735972A | 1972-02-18 | 1972-02-18 | |
| US22739572A | 1972-02-18 | 1972-02-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2172430A1 true FR2172430A1 (US07923587-20110412-C00022.png) | 1973-09-28 |
| FR2172430B1 FR2172430B1 (US07923587-20110412-C00022.png) | 1977-02-04 |
Family
ID=26921386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7306387A Expired FR2172430B1 (US07923587-20110412-C00022.png) | 1972-02-18 | 1973-02-14 |
Country Status (5)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114923070B (zh) * | 2022-04-25 | 2023-10-13 | 中国电子科技集团公司第二十九研究所 | 一种超宽平板单元电液混合俯仰多杆机构及方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3219121A (en) * | 1962-08-03 | 1965-11-23 | John W Barden | Controllable pitch propeller hydraulic locking device |
| US3369611A (en) * | 1967-04-27 | 1968-02-20 | Navy Usa | Pitch mechanism lock for main helicopter rotor blade |
| US3438446A (en) * | 1967-10-03 | 1969-04-15 | United Aircraft Corp | Rotor blade pitch lock |
-
1973
- 1973-02-13 AU AU52121/73A patent/AU471502B2/en not_active Expired
- 1973-02-14 DE DE2307182A patent/DE2307182C2/de not_active Expired
- 1973-02-14 GB GB721173A patent/GB1412874A/en not_active Expired
- 1973-02-14 FR FR7306387A patent/FR2172430B1/fr not_active Expired
- 1973-02-17 JP JP48019673A patent/JPS4888700A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| AU5212173A (en) | 1974-08-15 |
| GB1412874A (en) | 1975-11-05 |
| AU471502B2 (en) | 1976-04-29 |
| JPS4888700A (US07923587-20110412-C00022.png) | 1973-11-20 |
| FR2172430B1 (US07923587-20110412-C00022.png) | 1977-02-04 |
| DE2307182A1 (de) | 1973-08-23 |
| DE2307182C2 (de) | 1983-10-06 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |