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Title:
LEG DEVICE FOR AIRCRAFT
Document Type and Number:
Japanese Patent JP2012061984
Kind Code:
A
Abstract:

To provide a leg device for aircraft, in which seal member exchanging work is efficiently carried out in a state that the leg device is attached to an aircraft.

When a sliding direction of an inner cylinder 3 inside an outer cylinder 2 is a vertical direction, the leg device for aircraft includes: the outer cylinder 2; the inner cylinder 3 which slides around an axis of the outer cylinder 2 in a rotatable state; an upper locking member 4 which is fixed to the inner cylinder 3 moves inside the outer cylinder 2 together with the inner cylinder 3; a lower locking member 5, fitted to an inner periphery of the outer cylinder, for regulating relative rotation of the upper locking member 4 by locking with the upper locking member 4; a regulating member 6 for regulating the lower locking member 5 to rotate relatively to the outer cylinder 2; sealing members 71 and 72 for maintaining sealing of liquid inside the outer cylinder 2; and a support member 8 and a lower bearing 9, which support the sealing members 71 and 72. The leg device is passed through the regulating member 6 to the lower locking member 5, the support member 8 and the lower bearing 9, and a concave section 9b is provided at a lower face of the lower bearing.


Inventors:
Minoda, Takamichi
Application Number:
JP2010000208675
Publication Date:
March 29, 2012
Filing Date:
September 17, 2010
Export Citation:
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Assignee:
SUMITOMO PRECISION PROD CO LTD
International Classes:
B64C25/50
Domestic Patent References:
JPS62156599U1987-10-05
JPH10508813A1998-09-02
JPH10311433A1998-11-24
JPH0856777A1996-03-05
Foreign References:
US4007894A1977-02-15
Attorney, Agent or Firm:
森 道雄
松永 英幸