Screw gun drive

B - Operations – Transporting – 25 – B

Patent

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Details

B25B 3/00 (2006.01) B23P 19/06 (2006.01) B25B 21/00 (2006.01)

Patent

CA 2102930

TITLE OF THE INVENTION SCREW GUN DRIVE ABSTRACT OF THE DISCLOSURE A screw gun drive is adapted to adjust itself automatically to the pitch of the threading of the screw being driven. For this purpose a spindle-type spring biassed coupling is provided between the screw driving blade and the drive shaft of the motor. As a result of such a coupling the screw driv- ing blade first begins a rotational movement when the drive motor is switched on, and then it superimposes an automatic axial feed advance which adapts itself to the pitch of the screw being driven. An adjustment member provides for adjusting the spindle coupling to the length of the screws being driven. - 1 -

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