GB1412874A - Helicopter rotor with blade pitch lock - Google Patents

Helicopter rotor with blade pitch lock

Info

Publication number
GB1412874A
GB1412874A GB721173A GB721173A GB1412874A GB 1412874 A GB1412874 A GB 1412874A GB 721173 A GB721173 A GB 721173A GB 721173 A GB721173 A GB 721173A GB 1412874 A GB1412874 A GB 1412874A
Authority
GB
United Kingdom
Prior art keywords
lock
blades
apertures
pins
plungers
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
Application number
GB721173A
Other languages
English (en)
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.)
Raytheon Technologies Corp
Original Assignee
United Aircraft Corp
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.)
Filing date
Publication date
Application filed by United Aircraft Corp filed Critical United Aircraft Corp
Publication of GB1412874A publication Critical patent/GB1412874A/en
Expired legal-status Critical Current

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)
GB721173A 1972-02-18 1973-02-14 Helicopter rotor with blade pitch lock Expired GB1412874A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US22739572A 1972-02-18 1972-02-18
US22735972A 1972-02-18 1972-02-18

Publications (1)

Publication Number Publication Date
GB1412874A true GB1412874A (en) 1975-11-05

Family

ID=26921386

Family Applications (1)

Application Number Title Priority Date Filing Date
GB721173A Expired GB1412874A (en) 1972-02-18 1973-02-14 Helicopter rotor with blade pitch lock

Country Status (5)

Country Link
JP (1) JPS4888700A (xx)
AU (1) AU471502B2 (xx)
DE (1) DE2307182C2 (xx)
FR (1) FR2172430B1 (xx)
GB (1) GB1412874A (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
FR2172430A1 (xx) 1973-09-28
JPS4888700A (xx) 1973-11-20
AU471502B2 (en) 1976-04-29
DE2307182C2 (de) 1983-10-06
FR2172430B1 (xx) 1977-02-04
DE2307182A1 (de) 1973-08-23
AU5212173A (en) 1974-08-15

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee