B - Operations – Transporting – 25 – B
Patent
B - Operations, Transporting
25
B
B25B 21/00 (2006.01) B25B 23/04 (2006.01)
Patent
CA 2048007
A handheld screw driving gun has a handle extending essentially perpendicularly relative to the motor axis and a screwing axis which is off-set below the motor axis. The handle is connected approximately at the center of gravity of the screw gun. A screwing bit is also offset from the motor axis and is rotatably supported in a guide head between the motor axis and the handle. In this arrangement, the index finger of an operator's hand on the handle approxi- mately aligns with the axis of the screwing bit so as to assure a screwing direction perpendicularly to a work sur- face without applying any tilting forces to a screw. The arrangement of the drive motor behind the handle and the screwing unit in front of the handle provides a balance that reduces fatigue while holding and operating the screw gun with one hand.
Farian Gerhard
Haas Gunter
Gowling Lafleur Henderson Llp
Karl M. Reich Maschinenfabrik Gmbh
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