Electric hair dryer with abrasive elements for severing of loose hair

Abstract From the Canadian patent

In a hair dryer having a housing including air inlets, a motor for driving a fan which draws air into the housing through the air inlets and blows the air over a heating element to discharge the heated air through air outlets,the improvement which includes providing abrasive means in the housing for cutting loose hairs which enter the dryer with the incoming air and become entrapped about the fan blades or motor shaft, thereby preventing the hair from jamming the motor and permitting the cut hairs to be discharged from the dryer housing with the air coming out of the air outlets.