Stapling machine

Claim 1

IN A STAPLING MACHINE OF THE TYPE COMPRISING A HOUSING, ELONGATED PLUNGER AND STAPLE GUIDEWAY MEANS IN SAID HOUSING, SAID GUIDEWAY MEANS HAVING AN OPEN STAPLE EJECTING END, A PLUNGER SLIDABLE IN SAID GUIDEWAY MEANS AND POSITIONED IN REGISTRY WITH A STAPLE THEREIN WHEREBY MOVEMENT OF SAID PLUNGER IN ONE DIRECTION THRUSTS SAID STAPLE IN SAID GUIDEWAY MEANS TOWARD SAID STAPLE EJECTING END TO EFFECT DRIVING OF SAID STAPLE, MEANS FOR MOVING SAID PLUNGER IN SAID ONE DIRECTION TO DRIVE A STAPLE, SAID HOUSING HAVING AN ELONGATED FEED PORTION EXTENDING TRANSVERSE TO SAID GUIDEWAY MEANS, SAID FEED PORTION COMPRISING AN ELONGATED MAGAZINE RAIL FIXED IN SAID FEED PORTION TO SLIDABLY ACCOMMODATE A STICK OF STAPLES, SAID FEED PORTION HAVING A REPLACEABLE RETAINER SPACED FROM SAID MAGAZINE RAIL AND POSITIONED CLOSE ENOUGH THERETO TO PREVENT STAPLES FROM LEAVING THE MAGAZINE RAIL IN A DIRECTION GENERALLY TRANSVERSE THERETO, FEEDING MEANS FOR BIASING A STICK OF STAPLES ON SAID MAGAZINE RAIL TOWARD ONE END THEREOF WHEREBY THE END STAPLE IN SAID STICK IS FORCED INTO SAID GUIDEWAY MEANS PREPARATORY TO BEING DRIVEN, AND MEANS FOR REGULATING THE SPACING BETWEEN THE SAID RETAINER AND THE MAGAZINE RAIL IN ACCORDANCE WITH THE GAUGE OF THE WIRE COMPOSING THE STICK OF STAPLES, TO PREVENT THE FEEDING FORCE ON THE STAPLE STICK EXERTED BY THE BIASING MEANS FROM CAUSING STAPLES IN THE STAPLE STICK TO BREAK OFF AND CLIMB ON EACH OTHER TO JAM THE STAPLING MACHINE.