Patent ID: 8752405
Filing Date: 2014-06-17
Classification: D06F,H01H

Abstract:
1. A washing machine having a control panel assembly to control an operation of the washing machine, the control panel assembly comprising: a control panel; a push button having a button shaft; a knob guide installed on the control panel and including a boss insertion part; a rotary knob rotatably mounted on the knob guide and including a boss passing through the knob guide; and a shaft insertion hole to receive the button shaft of the push button, wherein the boss insertion part restricts the boss to prevent the rotary knob from shaking, the boss insertion part includes an extension extended from a bottom surface of the knob guide and forming a boss insertion hole, into which the boss is inserted, therein, an inner surface of the extension forming the boss insertion hole is inclined such that a distance between the inner surface of the extension and the boss gradually increases from a point at which the extension abuts the boss, wherein the rotary knob includes first hooks protruded towards the knob guide, and the knob guide includes second hooks protruded towards the rotary knob and engaged with the first hooks.