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US 11,998,160 B2Granted
Autonomous cleaning device
AssigneeBeijing Xiaomi Mobile Software Co., Ltd.
InventorsXing Li, Zitao Wang, Zhijun Li, Yongfeng Xia
Life of this patent
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Abstract
An autonomous cleaning device is provided. The autonomous cleaning device includes: a device body; and a drive module, a cleaning module and a sensing module, wherein the drive module, the cleaning module and the sensing module are detachably assembled to the device body, respectively.
Claims18
A main brush assembly for an autonomous cleaning device, comprising:
- a main brush;
- and
- a main brush casing for receiving the main brush, wherein the main brush casing comprises:
- at least two anti-winding guards each extending between a forward side and a rearward side of the main brush casing, wherein the forward side is arranged opposite to forward of the rearward side;
- and wherein each of the at least two anti-winding guards comprises an obstacle-crossing assisting member lower than a plane defined by the lower most point of the forward side and the rearward side of the main brush casing;
- and
- a flexible wiping strip arranged rearward of the at least two anti-winding guards and extending in a lengthwise direction of the main brush, wherein the flexible wiping strip is at a preset distance away from the main brush to intercept and collect objects that is not directly swept up by the main brush;
- wherein each said obstacle-crossing assisting member is a protrusion at a rearward end of one of the anti-winding guards.
5 more elements
Dependencies are inferred from the claim text.