Power operated screw driver and feeding mechanism

Claim 1

A FASTENER FEEDING AND DRIVING MECHANISM COMPRISING A FASTENER FEEDER, A FLEXIBLE DELIVERY TUBE, A POWER OPERATED DRIVER HAVING A NOISE PIECE CONSTITUTING THE WORK END, THE FASTENER FEEDER HAVING A MOTOR TO OPERATE THE FEEDER, A PNEUMATIC VALVE TO RELEASE AIR UNDER PRESSURE INTO THE DELIVERY TUBE TO IMPEL A FASTENER INTO THE NOSE PIECE, CONTROL MEANS TO OPERATE THE AIR VALVE AND MOTOR, AND A FEED TRACK TO SUPPLY FASTENERS TO THE FEEDER, THE FEEDER HAVING A FEED SLIDE MOVABLE ACROSS THE ADJOINING END OF THE FEED TRACK TO SERVE THE FASTENERS, ONE BY ONE, FROM THE FEED TRACK, THE SLIDE HAVING AN OPENING THEREIN, A SPACED FINGER MECHANICALLY CONNECTED TO THE FEED SLIDE AND DISPOSED BY THE UPPER END OF THE OPENING AND EXTENDING BETWEEN THE FEED TRACK AND OPENING WHEN THE TRACK AND OPENING ARE ALIGNED, THE FEEDER HAVING A SMOOTH BORE TO RECEIVE FASTENERS FROM THE FEED SLIDE, A SLIDE MEMBER TO INTERMITTENTLY OPEN AND CLOSE SAID BORE, THE FEED SLIDE, FINGER AND SLIDE MEMBER BEING MECHANICALLY CONNECTED TO AND ACTUATED BY THE MOTOR, THE NOSE PIECE BEING CONNECTED TO THE TUBE AND HAVING MEANS TO RECEIVE AND HOLD A FASTENER IN EXTENDED POSITION FOR DRIVING, THE CONTROL MEANS BEING EFFECTIVE TO DELIVER A JET OF AIR BEHIND A FASTENER AFTER ITS RELEASE BY THE SLIDE MEMBER, THE CONTROL MEANS BEING ACTUATED FROM THE DRIVING MECHANISM TO DELIVER A FASTENER TO THE NOSE PIECE, IMMEDIATELY THAT IT IS NEEDED.