GB388226A - Improvements in retractable landing gear - Google Patents

Improvements in retractable landing gear

Info

Publication number
GB388226A
GB388226A GB862432A GB862432A GB388226A GB 388226 A GB388226 A GB 388226A GB 862432 A GB862432 A GB 862432A GB 862432 A GB862432 A GB 862432A GB 388226 A GB388226 A GB 388226A
Authority
GB
United Kingdom
Prior art keywords
wheel
yoke
strut
pivoted
pulley
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
GB862432A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB862432A priority Critical patent/GB388226A/en
Publication of GB388226A publication Critical patent/GB388226A/en
Expired legal-status Critical Current

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
    • 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
    • B64C25/12—Undercarriages non-fixed, e.g. jettisonable retractable, foldable, or the like sideways
    • B64C2025/125—Undercarriages non-fixed, e.g. jettisonable retractable, foldable, or the like sideways into the fuselage, e.g. main landing gear pivotally retracting into or extending out of the fuselage

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Pulleys (AREA)
  • Pivots And Pivotal Connections (AREA)

Abstract

388,226. Retractable undercarriages. GRUMMAN, L. R., 75, Ivy Way, Port Washington, New York, U.S.A. March 23, 1932, No. 8624. [Class 4.] An aeroplane comprises a body having an opening in the side, a collapsable undercarriage having a jointed compression member one end of which carries a wheel, and means acting upon one joint of the compression member to collapse the undercarriage and retract it into the body in such a manner as to cause the wheel to overlie the opening in the body side. A wheel 1 is mounted on an angular axle 2 held at its lower end by a pivoted yoke 3 and at its upper end by a similar yoke 4 pivoted to the body inwardly of and above the pivot of yoke 3. Movement of the wheel in its extended position is restrained by a compression strut having a lower portion 5 and an upper portion 6 pivoted together by an offset pivot 16. The upper portion 6 is formed as a yoke and pivoted to spaced transverse bulkheads as are the members 3, 4. Fixed to the upper end of part 6 is a pulley or similar device 10 which may be rotated by cables 11 from a winch or similar means within reach of the pilot. Clockwise rotation of the pulley when the strut is in the position shown at the right of Fig. 1 causes the hinge 16 to break inwardly, continued rotation causing the wheel to assume the position shown in the left side of the Figure. Reversed rotation of the pulley 10 would cause the wheel and strut to resume their original position. The strut part 5 may incorporate a hydraulic shock absorber. Specification 17433/15, [Class 4, Aeronautics], is referred to.
GB862432A 1932-03-23 1932-03-23 Improvements in retractable landing gear Expired GB388226A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB862432A GB388226A (en) 1932-03-23 1932-03-23 Improvements in retractable landing gear

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB862432A GB388226A (en) 1932-03-23 1932-03-23 Improvements in retractable landing gear

Publications (1)

Publication Number Publication Date
GB388226A true GB388226A (en) 1933-02-23

Family

ID=9856044

Family Applications (1)

Application Number Title Priority Date Filing Date
GB862432A Expired GB388226A (en) 1932-03-23 1932-03-23 Improvements in retractable landing gear

Country Status (1)

Country Link
GB (1) GB388226A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109850132A (en) * 2018-12-07 2019-06-07 中国航空工业集团公司成都飞机设计研究所 A kind of detachable undercarriage contracting leg mechanism
CN112623204A (en) * 2021-02-18 2021-04-09 江西洪都航空工业集团有限责任公司 Novel undercarriage centering mechanism

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109850132A (en) * 2018-12-07 2019-06-07 中国航空工业集团公司成都飞机设计研究所 A kind of detachable undercarriage contracting leg mechanism
CN112623204A (en) * 2021-02-18 2021-04-09 江西洪都航空工业集团有限责任公司 Novel undercarriage centering mechanism
CN112623204B (en) * 2021-02-18 2023-03-10 江西洪都航空工业集团有限责任公司 Undercarriage mechanism of going back to well

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