US Patent 12058960 Walk-behind self-propelled machine

A walk-behind self-propelled machine includes: a body, wheels, a handle connected to the body, a motor, a driver coupled to the motor and driven by the motor, and a follower coupled to the wheels and enabled to drive the wheels to rotate, and a clutch. The clutch allows the driver to transmit power to the follower when the clutch is in a first position, the clutch cuts off a power transmission path between the motor and the wheels when the clutch is in a second position, the clutch is rotatably mounted to the driver, the clutch is in contact with the follower when the clutch rotates to the first position, and the clutch is disengaged from the follower when the clutch rotates to the second position.