Patent ID: 7424779
Filing Date: 2008-09-16
Classification: B23D

Abstract:
1. A cutting tool comprising: a metal housing on which an insulating cover is placed; a motor accommodated in a motor housing connected to the rear of the housing; at least one exhaust port provided with the housing for discharging cooling air for the motor; a slider held by the housing so as to be movable back and forth for performing reciprocating motion by the operation of a reciprocating motion mechanism in accordance with the operation of the motor; a blade attached to the front end of the slider for protruding to the front of the housing, and a guide member attached to the housing being parallel to the slider and adjustable the length of forward extrusion, wherein the insulating cover is extended to a rear part of the housing so as to cover the at least one exhaust port, and wherein between the housing and the insulating cover an air passage is provided in which the cooling air discharged from the at least one exhaust port is guided into an attaching portion of the guide member after passing through the clearance between the housing and the insulating cover, and discharged to the front.