Riding lawn mower, display interface of a power tool and riding machine

A riding lawn mower, comprising:

• a seat for a user to sit thereon;
• a chassis configured to support the seat;
• a cutting assembly mounted to the chassis, the cutting assembly comprising a cutting member for cutting grass;
• a walking assembly configured to drive the riding lawn mower to walk on a surface;
• a motor for driving the walking assembly;
• and
• a steering wheel assembly, comprising a steering wheel operable by the user,
• wherein the riding lawn mower further comprises:
• a control circuit configured to control the motor, the control circuit having a first state that permits the motor to rotate and a second state that prevents the motor from rotating;
• and
• an operating member operable to switch the control circuit into the first state,
• wherein the operating member is mounted to the steering wheel, and
• wherein the control circuit further has a third state in which the control circuit stops the motor and then permits the motor to rotate reversely, and the operating member is operable to switch the control circuit into the third state.

A riding machine, comprising:

• a seat for a user to sit thereon;
• a chassis configured to support the seat;
• a walking assembly configured to drive the riding machine to walk on a plane;
• a motor for driving the walking assembly;
• and
• a steering wheel assembly, comprising a steering wheel operable by the user and a connecting rod configured to connect the steering wheel and the chassis,
• wherein the steering wheel assembly further comprises:
• a mounting assembly, connecting the steering wheel and the connecting rod;
• a control circuit having a first state that permits the motor to start and a second state that prevents the motor from starting;
• and
• an operating member operable to switch the control circuit into the first state,
• wherein the operating member is mounted to the steering wheel or the mounting assembly, and
• wherein the control circuit further has a third state, in which the control circuit stops the motor and then permits the motor to rotate reversely, and when the control circuit is in the third state and the operating member is released, the control circuit is switched into the first state.