Abstract: The invention relates to a landing gear, wherein a connecting plate 12 is joined to a strut tube 5 of a shock strut which is joined to a bearing member 1, and wherein the strut tube 5 houses an inner member 8 which with its terminal end engages the bearing member 1. It is desirable to model a shock strut formed with a deflecting C-member and hydraulic spring system with simple means as authentically as possible. This is achieved in that the strut tube 5 is joined to the bearing member 1 via a spring-action C-member 7 to permit up and down motions while the connecting plate 12 is solidly attached, in that the bearing member 1 is of integral construction with the connecting plate 12, the strut tube 5 and the C-member and in that the inner member is formed as a metal pin 8 which is axially slidable in the strut-tube 5, the metal pin 8 being loaded at its one end by a metal compression coil spring 10 abutting on a fixed part at its far end.

Abstract: During flight, helicopter landing gears are suspended by a tuning spring m the helicopter airframe to provide limited relative movement between the landing gear masses and the airframe. As the aircraft vibrates due to vertical or in-plane forces at the rotor head, the landing gear masses react oppositely thereto, thus generating balancing forces which are applied to the airframe to balance the rotor excitations.

Abstract: An actuating and bracing jack comprising a cylinder and a rod which are pivotably connected at their free ends to a fixed member and to a moveable member respectively. The cylinder has at least at one of its extremities, an internal resilient catch member, and the rod carries a projection capable of coming into engagement behind the catch member. The cylinder has an enlarged cylindrical chamber housing a displaceable locking device capable of being driven by the rod upon retraction movement thereof, to a first position to which the catch member is firmly applied against the projection. The locking device is displaceable in the opposite direction in the cylinder under the action of an actuating fluid to a second position to which the catch member is freed. The rod is provided with a device for taking up play between the rod and cylinder, such device including a displaceable draw member which acts upon a member urging a slotted portion of the rod outwardly into close proximity to the cylinder.