Patent ID: 7959092
Filing Date: 2011-06-14
Classification: B05B

Abstract:
1. A rotary atomizing head for a coating machine, the rotary atomizing head comprising: an inner bell; an outer bell, the inner bell being attached to and positioned within the outer bell, and the outer bell being attachable to an end of a tubular rotary shaft of the coating machine; a coating material chamber formed between a rear face of the inner bell and the outer bell, the coating material chamber being supplied with coating material such that a centrifugal force causes the coating material to flow out from a coating material discharge that penetrates a periphery of the coating material chamber and along an inner surface of a ring portion of the outer bell, wherein the coating material is atomized under rotation by an atomizing edge formed at an end of the ring portion of the outer bell; and fins configured to stir the coating material within the coating material chamber, the fins being disposed radially at a rear face of the inner bell, and the fins having tapered surfaces increasing in height gradually from forward to backward with respect to a rotational direction of the fins.