US Patent 8444234 Washing machine

A washing machine of the present invention comprises a top cover where a laundry entrance hole is formed through which laundry is put in from above; a lid assembly coupled to the top cover in a rotatable manner and opening and closing the laundry entrance hole; and a stopper being formed at least in one of the top cover and the lid assembly and preventing the lid assembly from being rotated more than a maximum opening angle. The stopper prevents a lid assembly from being rotated more than a maximum opening angle.