Variable tread wheel |
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| 申请号 | JP1268982 | 申请日 | 1982-01-29 | 公开(公告)号 | JPS58128901A | 公开(公告)日 | 1983-08-01 |
| 申请人 | Iseki & Co Ltd; | 发明人 | WATANABE HIDEO; | ||||
| 摘要 | PURPOSE:To enable a tread to be steplessly adjusted, by arranging a plurality of brackets movable along a spiral rail formed in the inner peripheral surface of a rim so that the brackets are secured to a wheel disc. CONSTITUTION:A plurality of brackets 7 each having tapered parts 3, 4, a bifurcated engaging recessed part 5 and a bolt hole 6 are prepared, and may move along a spiral rail 2 of a rim 1 with the engaging recessed part 5 being made in close contact with the spiral rail 2. Further, the mounting seat 9 or 10 of a wheel disk 8 is fitted to the axial end part 19 of a wheel shaft 18 and then, the wheel disc 8 is secured to the wheel shaft 18 by means of bolts 20. The brackets 7 which are engaged to the spiral rail 2 of the rim 1 are secured to the disc 8 and the rim 1 by means of bolts 21 so that the tapered part 3 is fitted to a tapered part 12 of the wheel disc 8. Accordingly, the rim 1 and a tyre 23 moves with respect to the wheel disc 8, thereby the tread is adjusted. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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