Patent ID: 6460272
Filing Date: 2002-10-08
Classification: F26B

Abstract:
A safety hot air blowing gun comprisinga cylindrical housing having a front side and a rear side, an inner barrel mounted inside said housing, said inner barrel having a front side and a rear side, a high-impedance resistance type heating element mounted around an inside wall of said inner barrel, a nozzle tip fastened to the front side of said housing, said nozzle tip having a front side and a rear side, and a fan motor assembly mounted inside said housing and aimed at the rear side of said inner barrel and controlled to blow air through said inner barrel and said nozzle tip, said inner barrel comprises an outward flange extended around the rear side thereof and adapted to support said fan motor assembly, said outward flange having a plurality of air vents respectively; characterized in that: a heat-resisting protective ring is mounted inside said housing to support said inner barrel, said protective ring comprising a plurality of protruded portions protruded from the inner diameter thereof and respectively abutted against a periphery of said inner barrel and defining with said protective ring and the periphery of said inner barrel of a plurality of open spaces for the passing of currents of air from said fan motor assembly.