Washer feeder for nail driver

Claim 2

In a nailing machine having a reciprocating nail driver, a reservoir for holding a supply of washers on one side of the nail driver and in cooperative relation thereto, reciprocating means for feeding by a forward stroke thereof a washer from said supply to nailing position directly below the nail drive, means for holding said washer in said nailing position until said driver is operated, means for retracting said feed means in preparation for feeding another washer when said driver is operated, and contrOl means having a first position for actuating the driving stroke of said nail driver and the retracting stroke of said feeding means and a second position for actuating the retracting stroke of said nail driver and the feeding stroke of said feeding means.

Claim 3

In a nailing machine having a reciprocating nail driver arranged to drive a nail, means to actuate said driver in a driving stroke, and means to retract said driver; means for holding a supply of washers on one side of said driver, reciprocating means for feeding a washer from said supply to nailing position directly below said driver, means to retract said feed means upon actuation of said driver and feeding a washer after actuation of said driver, means for holding a washer in said nailing position until said driver is actuated in a driving stroke, and control means having two positions, said driver-actuating means and said feed-means retracting means being responsive to one and said driver-retracting means and said feeding means to the other of said positions.

Claim 4

In a nailing machine having a reciprocating nail driver arranged to drive a nail, means to actuate said driver in a driving stroke, and means to retract said driver; means for holding a supply of washers on one side of said driver, reciprocating means for feeding a washer from said supply to nailing position directly below said driver, means to retract said feed means upon actuation of said driver and feeding a washer after actuation of said driver, means for holding a washer in said nailing position until said driver is actuated in a driving stroke, and control means having two positions, said driver-actuating means and said feed-means retracting means being responsive to one and said driver-retracting means and said feeding means to the other of said positions.

Claim 5

In a nailing machine having a nail driver arranged to drive a nail, a washer feed tube on one side of said driver, a soleplate having an opening positioned below and in axial alignment with said driver, a semicircular washer pocket above said opening on one side thereof, a reciprocating arm for sliding a washer from said feed tube into said pocket after operation of said driver, means for holding said washer in said pocket, first means for retracting said arm in preparation for feeding another washer and for operating said driver, and second means for retracting said driver and moving said arm in its forward feeding stroke.

Claim 6

In a nailing machine having a nail driver arranged to drive a nail, a washer feed tube on one side of said driver, a soleplate having an opening positioned below and in axial alignment with said driver, a semicircular washer pocket above said opening on one side thereof, a reciprocating arm for sliding a washer from said feed tube into said pocket after operation of said driver, means for holding said washer in said pocket, first means for retracting said arm in preparation for feeding another washer and for operating said driver, and second means for retracting said driver and moving said arm in its forward feeding stroke.

Claim 7

In a nailing machine having a nail driver arranged to drive a nail, a washer feed tube on one side of a soleplate having an opening positioned below and in axial alignment with said driver, a washer pocket above said opening on one side thereof, a reciprocating washer feeder, first means for actuating said feeder in a feed stroke to slide a washer from said feed tube into nailing position in said pocket and for retracting said driver, and second means for actuating said feeder in a retract stroke and said driver in its operating stroke.

Claim 8

In a nailing machine having a nail driver arranged to drive a nail, a washer feed tube on one side of a soleplate having an opening positioned below and in axial alignment with said driver, a washer pocket above said opening on one side thereof, a reciprocating washer feeder, first means for actuating said feeder in a feed stroke to slide a washer from said feed tube into nailing position in said pocket and for retracting said driver, and second means for actuating said feeder in a retract stroke and said driver in its operating stroke.

Claim 9

The device of claim 4 wherein means are provided to retain the washer in said pocket until rejected during a driver stroke.

Claim 10

In a pneumatic nailing machine having a driver, a driver cylinder, an air supply reservoir, an inlet valve between said reservoir and cylinder, a double acting piston for operating said inlet valve, and a trigger valve for connecting one side of said piston to pressure and exhaust for opening and closing said inlet valve; a washer feed tube on one side of said driver, a soleplate having an opening in nailing position for passing a washer through the soleplate when said driver is operated, a washer pocket above said opening on one side thereof, a washer feed piston in a double-acting cylinder, an air conduit connecting one end of said feed cylinder with said driver cylinder and reservoir when said inlet valve is opened by operation of said trigger valve whereby when said driver is operated, said feed piston is in a retract stroke and an air conduit connecting the opposite end of said feed cylinder with said reservoir when said trigger valve is released, to operate said feed piston in a feed stroke for sliding a washer from said feed tube into nailing position in said pocket.

Claim 11

In a pneumatic nailing machine having a driver, a driver cylinder, an air supply reservoir, an inlet valve between said reservoir and cylinder, a double acting piston for operating said inlet valve, and a trigger valve for connecting one side of said piston to pressure and exhaust for opening and closing said inlet valve; a washer feed tube on one side of said driver, a soleplate having an opening in nailing position for passing a washer through the soleplate when said driver is operated, a washer pocket above said opening on one side thereof, a washer feed piston in a double-acting cylinder, an air conduit connecting one end of said feed cylinder with said driver cylinder and reservoir when said inlet valve is opened by operation of said trigger valve whereby when said driver is operated, said feed piston is in a retract stroke and an air conduit connecting the opposite end of said feed cylinder with said reservoir when said trigger valve is released, to operate said feed piston in a feed stroke for sliding a washer from said feed tube into nailing position in said pocket.

Claim 12

In a pneumatic nail-driving machine having a driver and valve-controlled air supply and exhaust passages, means for holding a supply of washers, pneumatic means for feeding one washer at a time from said supply to nailing position beneath said driver after operation of said driver, fluid pressure connections between said feed means and said passages for operating said feed means, a soleplate having an opening in said nailing position for passing a washer through the soleplate with a nail when said driver is operated, and means independent of said feeding means for holding a waSher in said nailing position above the bottom of said soleplate and over said opening until said driver is operated.

Claim 13

In a pneumatic nail-driving machine having a driver and valve-controlled air supply and exhaust passages, means for holding a supply of washers, pneumatic means for feeding one washer at a time from said supply to nailing position beneath said driver after operation of said driver, fluid pressure connections between said feed means and said passages for operating said feed means, a soleplate having an opening in said nailing position for passing a washer through the soleplate with a nail when said driver is operated, and means independent of said feeding means for holding a waSher in said nailing position above the bottom of said soleplate and over said opening until said driver is operated.

Claim 14

In a mailing machine having a nail driver arranged to drive a nail, means for holding a supply of washers on said one side of said driver, means for feeding one washer at a time from said supply to mailing position beneath said driver on said one side of the work piece, a soleplate on said machine having an opening positioned directly below and in axial alignment with said driver for passing a washer through the soleplate with a nail when said driver is operated, and means for holding a washer in said nailing position above the bottom of said soleplate and over said opening until said driver is operated.

Claim 15

In a mailing machine having a nail driver arranged to drive a nail, means for holding a supply of washers on said one side of said driver, means for feeding one washer at a time from said supply to mailing position beneath said driver on said one side of the work piece, a soleplate on said machine having an opening positioned directly below and in axial alignment with said driver for passing a washer through the soleplate with a nail when said driver is operated, and means for holding a washer in said nailing position above the bottom of said soleplate and over said opening until said driver is operated.

Claim 16

A machine as defined in claim 8, wherein said holding means comprises magnets positioned above said opening engageable with the upper side of a washer adjacent the perimeter thereof in said nailing position.

Claim 17

A machine as defined in claim 8, wherein said holding means comprising a pair of constrictive spring arms arranged to clamp a washer by its opposite edges in said nailing position.

Claim 18

A machine as defined by claim 7 wherein said washer holding means comprises subjecting jets of air against the bottom of said washer.