A window cleaning machine includes a body, walking module, air extracting module, first cleaning device and driving device. The body defines a primary suction space. The walking module is disposed near the body. The air extracting module is disposed on the body and is in communication with the primary suction space, allowing the body to cling to the pane surface by suction. The first cleaning device is in contact with the pane surface while performing a cleaning operation. The driving device is connected to the first cleaning device to cause the first cleaning device to undergo a reciprocating motion so as to wipe the pane surface back and forth. The body further comprises a bottom board and a carrying board. The bottom board comprises a bottom board wall portion enclosing a first bottom board through hole. The carrying board is disposed between the first cleaning device and the bottom board.
WINDOW CLEANING MACHINE
2025-01-30
Patent
Electronic Resource
English
Window cleaning machine convenient to cross window frame
European Patent Office | 2021
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