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A portable, handheld, power tool is operable to rotate a tap in an opening in a workpiece to form an internal thread convolution in the opening. The power tool includes a chuck which holds the tap. Left and right handles extend in opposite directions from the chuck and are connected with a housing.

A portable, handheld, power tool is operable to rotate a tap in an opening in a workpiece to form an internal thread convolution in the opening. The power tool includes a chuck which holds the tap. Left and right handles extend in opposite directions from the chuck and are connected with a housing. A motor is disposed in one of the handles and is connected with the chuck by a drive mechanism. Manual actuation of a motor control lever mounted on the one handle initiates operation of the motor. Upon operation of the motor, force is transmitted through a drive mechanism to the chuck to rotate the chuck and the tap. Upon interruption of operation of the motor, the tap may be rotated under the influence of force which is manually applied to the handles.

대표청구항 ▼

A portable, handheld, power tool for threading an opening in a workpiece with a tap, said power tool comprising: a housing; a first longitudinally extending handle having an inner end portion connected with said housing and an outer end portion which is spaced from said housing, said first handle ha

A portable, handheld, power tool for threading an opening in a workpiece with a tap, said power tool comprising: a housing; a first longitudinally extending handle having an inner end portion connected with said housing and an outer end portion which is spaced from said housing, said first handle having a manually engageable outer side surface with a longitudinal central axis extending through said housing and through said inner and outer end portions of said first handle, said first handle extends away from said housing to said outer end portion of said first handle in a first direction which is parallel to the longitudinal central axis of said manually engageable outer side surface of said first handle; a second longitudinally extending handle having an inner end portion connected with said housing and an outer end portion which is spaced from said housing, said second handle having a manually engageable outer side surface with a longitudinal central axis extending through said housing and through said inner and outer end portions of said second handle, said second handle extends away from said housing to said outer end portion of said second handle in a second direction which is opposite to the first direction and is parallel to the longitudinal central axis of said manually engageable outer side surface of said second handle; chuck means for holding a tap, said chuck means being connected with and rotatable relative to said housing about an axis which extends transverse to said longitudinal central axes of said manually engageable outer side surfaces of said first and second handles; a motor is disposed within said first handle and is enclosed by said manually engageable outer side surface of said first handle, said motor includes a rotor which is rotatable about an axis extending parallel to the longitudinal central axis of said manually engageable outer side surface of said first handle; and a control member connected with said motor and actuatable to effect operation of said motor.