Treadmill motor having a heat dissipating device

Abstract

A treadmill includes an endless belt disposed in a base, a motor coupled to the endless belt for driving the endless belt and having a spindle, and a fan device secured to the spindle for being driven by the motor and having a number of blades for drawing air through the motor to dissipate a heat generated by the motor and for preventing the motor from being over-heated and damaged, and for increasing the working life of the motor. A wheel is secured to the spindle and secured to the fan device device for allowing the fan device to be driven by the motor via the wheel.

I claim:  
     
         1 . A treadmill comprising: 
 a base,    an endless belt provided in said base,    a motor coupled to said endless belt for driving said endless belt, said motor including a spindle extended therefrom, and    a fan device secured to said spindle for being driven by said motor, and including a plurality of blades for drawing air through said motor to dissipate a heat generated by said motor.    
     
     
         2 . The treadmill according to  claim 1 , wherein said fan device includes a peripheral wall, and said blades are extended from said peripheral wall of said fan device.  
     
     
         3 . The treadmill according to  claim 1 , wherein said fan device includes a plurality of casings provided therein and each having a cavity formed therein, and said blades are extended from said casings.  
     
     
         4 . The treadmill according to  claim 1  further comprising a wheel secured to said spindle, said fan device being secured to said wheel and including an opening formed therein for receiving said spindle.  
     
     
         5 . The treadmill according to  claim 4 , wherein said wheel includes a peripheral depression formed therein, said blades of said fan device are extended inward of said peripheral depression of said wheel.  
     
     
         6 . The treadmill according to  claim 4 , wherein said motor includes a first end having a hood provided thereon and partially engaged into said opening of said fan device, said hood includes a plurality of holes formed therein for air circulating purposes.