Title:
OUTDOOR SURFACE CLEANING APPARATUS WITH SPRAY MECHANISM
Document Type and Number:
WIPO Patent Application WO/2021/151370
Kind Code:
A1
Abstract:
The invention provides a rugged cleaning device configured to clean outdoor surfaces using a variety of fluids and techniques. The outdoor cleaning device includes a brush head, a motor and a transmission for providing a driving force to the brush head, a fluid tank for storing a fluid (e.g., a cleaning solution or detergent), and a controller for controlling mixing (or not mixing) the fluid stored in the fluid tank during operation of the outdoor cleaning device. The controller may enable fluid from the cleaning tank to be mixed with a second fluid (e.g., water) prior to being dispensed via at least one nozzle. The at least one nozzle may be secured to a guard cover via grooves on an inner guard cover and an outer guard cover. The nozzle (s) enables the distribution of cleaning fluids in various directions, enhancing the brush head's cleaning capability.
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Inventors:
LEE WAI CHUNG (CN)
CHUNG KOON FOR (CN)
AN WEIWEI (CN)
WONG WAI FOR (CN)
CHUNG KOON FOR (CN)
AN WEIWEI (CN)
WONG WAI FOR (CN)
Application Number:
PCT/CN2021/073033
Publication Date:
August 05, 2021
Filing Date:
January 21, 2021
Export Citation:
Assignee:
TECHTRONIC CORDLESS GP (US)
LEE WAI CHUNG (CN)
LEE WAI CHUNG (CN)
International Classes:
A46B13/00; A46B13/02; A46B13/04; B05B7/24; B08B3/02; E01H1/05; E01H1/10; E01H1/12
Domestic Patent References:
| WO2016008763A2 | 2016-01-21 |
Foreign References:
| US20120189372A1 | 2012-07-26 | |||
| DE102018102964A1 | 2019-08-14 |
Attorney, Agent or Firm:
BEIJING PAT SF INTELLECTUAL PROPERTY AGENCY CO. LTD (CN)
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