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1. WO1990014267 - A LATERAL MOVEMENT DEVICE FOR THE ROLLER OF AN AIRCRAFT TRANSFER DEVICE

Note: Text based on automatic Optical Character Recognition processes. Please use the PDF version for legal matters

[ EN ]

Patent Claims

1. A lateral movement device for the roller (3) of a transfer device, which transfer device is intended to move an aircraft (1) or other wheeled device on a base by rotating a friction roller (3, 4) pressed against one or more wheels (6), which roller (3) may be purely a pressure roller or a friction roller, and which is arranged to be able to be moved out of the track of the wheel (6) and back into the track, and which transfer device includes a frame (2) , to which the roller (3) is attached, and in which lateral movement device the support of the roller (3) is located on a transverse guide (11), which is arranged to move in a slide (10) located in the frame, and which includes lateral movement devices (15, 16, 17, 18) to move the roller (3) laterally, characterized in that the guide (10) forms part of the support of the roller (3) and that it extends for at least the greatest part of the length of the roller (3) , in which case an essentially shorter slide (10) is located in the frame (2) .

2. A lateral movement device for the roller (3) of a transfer device in accordance with Patent Claim 1, characterized in that the roller (3) and the bearings supporting it are located in a tube, which forms the aforementioned guide (11) , and that an opening is formed in the tube (11) at the point of contact of the roller (3) and the wheel (6).

3. A lateral movement device for the roller (3) of a transfer device in accordance with Patent Claims 1 or 2, in which the slide (10) is permanently attached to the frame (2) , characterized in that the lateral transfer devices (15, 16, 17, 18) include a chain or cable member (15), attached to two points on the guide (11) between the ends in the direction of the lateral movement, or to the carrier of the roller (3) , at least three pulley wheels (16, 17) and an operating device (18), two of which pulley wheels (16) are located close to the slide (10) to change the direction of the chain or cable member from the guide (11) towards and round a third (17) pulley wheel located at the end between the others, and that the operating device, e.g. a hydraulic cylinder (18) is arranged to pull the chain or cable member (15) between these others.

4. A lateral movement device for the roller (3) of a transfer device in accordance with Patent Claims 1 or 2, characterized in that the lateral movement device includes a toothed bar or chain attached to the guide (11) or carrier of the roller and a toothwheel that moves the toothed bar or chain and which is attached to the slide by bearings.

5. A lateral movement device for the roller (3) of a transfer device in accordance with Patent Claims 2, 3, or 4, characterized in that the motor (-20) and possible gearbox (21) is located in a tube forming a guide (11) .

6. A lateral movement device for the roller (3) of a transfer device in accordance with Patent Claim 5, characterized in that the motor (28) and gearbox, most advantageously a planet gearbox (29) , are located on opposite sides of the roller (26) in such a way that the axle (30) between the motor (28) and the gearbox (29) is arranged to run through the roller (26) .