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US 2020/0138253 A1Published application
Cleaning Device
AssigneeRobert Bosch GmbH
InventorRhys Jenkins
Life of this patent
Estimating the term…
Abstract
A cleaning device, in particular for a cleaning attachment for a hard surface vacuum cleaner, includes at least a first wiper lip and a second wiper lip. A third lip is arranged between the first and second wiper lips so as to space apart the first and second wiper lips.
Claims21
A cleaning device, comprising:
- at least one first wiper lip and at least one second wiper lip;
- and
- a third lip arranged between the first and second wiper lips and configured to space apart the first and second wiper lips.
A hard surface vacuum cleaner, comprising:
- a cleaning device including:
- at least one first wiper lip and at least one second wiper lip, and
- a third lip arranged between the first and second wiper lips and configured to space apart the first and second wiper lips.
(canceled)
A method for sucking in air or a mixture of air and liquid into a cleaning device, comprising:
- sucking the air or the mixture of air and liquid into a suction nozzle defined by a first wiper lip and a second wiper lip of the cleaning device;
- and
- guiding the air or the mixture of air and liquid through a gap defined by the first wiper lip and a third lip of the cleaning device into a suction channel after the air or the mixture of air and liquid is sucked into the suction nozzle, the third lip spacing the first and second wiper lips apart independently of one or more of an angle of deflection and an angle of attack of the first wiper lip, the second wiper lip, and the third lip.
Dependencies are inferred from the claim text.