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US 10,117,554 B2Granted
Cleaner head for a vacuum cleaner
AssigneeDyson Technology Limited
InventorsHeidi Williamson, Stephen Robert Dimbylow, Donald James McIntosh, Gerard Matthew Shevlin
Life of this patent
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Abstract
A cleaner head for a vacuum cleaner including a housing, a roller and a wheel assembly arranged to support the cleaner head on a surface such that the roller is held out of pressing engagement with the surface. The roller is arranged to rotate with respect to the housing and the wheel assembly includes a first wheel which is arranged to drive the roller.
Claims16
A cleaner head for a vacuum cleaner, comprising:
- a housing;
- a roller arranged to rotate with respect to the housing about a rotational axis;
- and
- a wheel assembly arranged to support the cleaner head on a surface such that the roller is held out of pressing engagement with the surface, wherein the wheel assembly comprises:
- a first wheel which is arranged to drive the roller as the cleaner head is moved across the surface, wherein a rotational axis of the first wheel is coaxial with the rotational axis of the roller, and
- a second wheel spaced from the first wheel in a direction which is parallel with the rotational axis of the roller, wherein the second wheel is free to rotate relative to the roller and the housing.
3 more elements
Dependencies are inferred from the claim text.