| 摘要 |
PCT No. PCT/FI89/00040 Sec. 371 Date Sep. 7, 1990 Sec. 102(e) Date Sep. 7, 1990 PCT Filed Mar. 8, 1989 PCT Pub. No. WO89/08583 PCT Pub. Date Sep. 21, 1989.The object of the invention is a transfer device that will grip double wheels of very different size, which is intended to move an aircraft (1) or other device equipped with double wheels on a base, which transfer device includes a fork-shaped frame and pairs of rollers (3, 4) attached to both forks (2), compression devices for them and devices to rotate the rollers, both pairs of which rollers (3, 4) being placed from the side in front and behind the wheel (6) of the device (1) to be moved. According to the invention the forks (2) are attached to the frame part (7) that connects them by means of parallelogram arms (5), which are adapted to provide the rollers (3, 4) with the lateral movement required when being placed around double wheels (6) and which transfer device includes operating devices (18) to turn the parallelogram arms.
|
