Patent ID: 6626382
Filing Date: 2003-09-30
Classification: B05B

Abstract:
An air volume adjustment knob for a spray gun essentially comprising an opening provided in a rear end of the spray gun that is connected through an airway to accommodate a knob; characterized by that:the knob including a tube, a ring, a bonnet, a spring and a bolt; a hole being provided in the tube; a shaft being protruded from one end of the tube; a polygonal block being formed at one end of the shaft; the ring being sleeved onto the shaft; and a retaining hole corresponding to the shape of the polygonal block of the tube being axially provided at the center inside the bonnet; both of the ring and the tube being fixed in the opening of the spray gun; the retaining hole of the bonnet being inserted in relation to the polygonal block of the tube; the tube being secured in the opening of the spray gun by the ring and the tube being linked to the turning of the bonnet.