US Patent 11343963 Stand-on lawnmower

A stand-on lawnmower includes a vehicle body frame, a steering mechanism operable for maneuvering the lawnmower, and a platform assembly for an operator operating the steering mechanism. The platform assembly includes a stationary base mounted to the vehicle body frame, a platform supported to the stationary base and a swing mechanism provided between the stationary base and the platform. In the platform, a footrest face for the operator is formed. The swing mechanism includes a rolling mechanism for causing rolling of the footrest face and a pitching mechanism for causing pitching of the footrest face.