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https://drivepatents.com/patents/1393161 · 2 Oct 2024
A walk-behind electric device includes a device body, a moving wheel, a moving motor, a power interface, and a control unit. The moving wheel is connected to the device body. The moving motor is configured to drive the moving wheel. The power interface is ...
https://drivepatents.com/patents/1001012 · 27 Jun 2012
A cordless mower (10) includes a deck (50), a rechargeable battery (12), a blade (16) for cutting grass, a blade motor (54) and a drive motor (56). The deck is supported by front and rear wheels (30) and has a top side, a bottom side, a front end and a rea...