Vacuum cleaner power drive
A vacuum cleaner having an improved power drive utilizing a ball disc transmission. In one form, the transmission is self-centering for automatic return thereof to a position wherein the wheel drive is effectively locked. The transmission is arranged to permit free wheeling when desired by suitable...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A vacuum cleaner having an improved power drive utilizing a ball disc transmission. In one form, the transmission is self-centering for automatic return thereof to a position wherein the wheel drive is effectively locked. The transmission is arranged to permit free wheeling when desired by suitable manipulation of the control provided for controlling the transmission. In another illustrated form, the transmission is arranged to provide free wheeling when the transmission is returned to a minimum speed arrangement. The system provides a smooth, accurately controllable power drive of the vacuum cleaner. |
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