Rotor and rotor housing for a snowthrower |
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| 申请号 | US15371370 | 申请日 | 2016-12-07 | 公开(公告)号 | US09863107B2 | 公开(公告)日 | 2018-01-09 |
| 申请人 | THE TORO COMPANY; | 发明人 | Nathan J. Friberg; Philip G. Stalpes; Derek S. Duchscherer; Nicholas J. Wersal; | ||||
| 摘要 | A self-propelled snowthrower wherein, in one embodiment, drive members on each side of the snowthrower provide variable speed propulsion. A transmission that delivers power to the drive members may be adapted to de-clutch one of the two drive wheels when the ground speed of that wheel exceeds the driving speed of the transmission. In other embodiments, the snowthrower includes a rotor having a snow ejection surface forming a negative rake angle. Yet other embodiments include a chute rotation control mechanism that permits manual discharge chute rotation via one-handed input. | ||||||
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| 说明书全文 | |||||||
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