AU471502B2 - Helicopter blade pitch lock - Google Patents
Helicopter blade pitch lockInfo
- Publication number
- AU471502B2 AU471502B2 AU52121/73A AU5212173A AU471502B2 AU 471502 B2 AU471502 B2 AU 471502B2 AU 52121/73 A AU52121/73 A AU 52121/73A AU 5212173 A AU5212173 A AU 5212173A AU 471502 B2 AU471502 B2 AU 471502B2
- Authority
- AU
- Australia
- Prior art keywords
- blade pitch
- helicopter blade
- pitch lock
- lock
- helicopter
- 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
- 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 |
---|---|
AU5212173A AU5212173A (en) | 1974-08-15 |
AU471502B2 true AU471502B2 (en) | 1976-04-29 |
Family
ID=26921386
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU52121/73A Expired AU471502B2 (en) | 1972-02-18 | 1973-02-13 | Helicopter blade pitch lock |
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 |
JPS4888700A (US07923587-20110412-C00022.png) | 1973-11-20 |
FR2172430B1 (US07923587-20110412-C00022.png) | 1977-02-04 |
FR2172430A1 (US07923587-20110412-C00022.png) | 1973-09-28 |
DE2307182A1 (de) | 1973-08-23 |
DE2307182C2 (de) | 1983-10-06 |
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