power source to the motor trigger member 13 is also molded from plastic as an integral substantially hollow piece and includes a body portion 32 a finger engageable surface 33 and a pair of aligned holes 35 which mate with the sleeve 16 of button member 12 to secure member 13 to member 12 for pivoting about sleeve 16 the hollow interior portion of trigger member 13 encloses lower leaf spring 29 and body portion 30 of button member 12 once button member 12 and trigger member 13 are secured together and mounted within the handle see fig2 lower leaf spring 29 rests against the inside wall surface of trigger member 13 so as to bias trigger 13 to a non depressed 34 off 34 position trigger member 13 also includes a conductor strip 38 mounted on an inside wall thereof by a rivet 39 as explained below strip 38 is adapted to electrically connect connectors 25 26 by contacting rivets 27 28 whose heads 27 39 28 39 make contact with strip 38 when the trigger switch is in the 34 on 34 position as illustrated by fig5 and 8 the sequence of operating the trigger switch 11 will now be described in detail with reference to fig6 and 8 fig6 depicts the switch 11 in its normal locked position as noted previously the aligned holes 35 of trigger member 13 are mounted on sleeve 16 so that the trigger may pivot about the sleeve the sleeve 16 is in turn mounted on the inner walls of the handle housing as is locating pin 17 in the locked position trigger.