Electric fastening tool

Claim 1

AN ELECTRICALLY POWERED TOOL FOR DRIVING ANY ONE OF A PLURALITY OF FASTENERS HAVING UNLIKE CONFIGURATIONS INTO A WORKPIECE, SAID TOOL HAVING INTERCHANGEABLE COMPONENTS OF THE TYPE DESCRIBED, SAID TOOL COMPRISING: (A) A HOUSING OPEN ALONG THE LENGTH OF THE BOTTOM THEREOF AND ALONG AT LEAST A PORTION OF THE FRONT THEREOF; (B) A SOLENOID ASSEMBLY COMPRISED OF A CASING HAVING A SLOT THEREIN, A WOUND COIL HAVING A CENTRAL BORE AND A MAGNETIZABLE ARMATURE LINEARLY MOVABLE THROUGH THE BORE OF SAID COIL, SAID SOLENOID BEING SECURED WITHIN SAID HOUSING WITH A PORTION OF SAID ARMATURE EXTENDING OUTWARDLY THROUGH THE SLOT OF SAID CASING; (C) ELONGATED SPRING MEANS HAVING A PORTION FIXED RELATIVE TO SAID CASING AND AT LEAST ONE FREE END SECURED TO SAID ARMATURE EXTERNALLY OF SAID CASING, SAID SPRING MEANS BEING ARRANGED TO RETURN SAID ARMATURE TO ITS ORIGINAL POSITION AT THE END OF EACH STROKE; (D) A TRIGGER CARRIED BY SAID HOUSING; (E) SWITCH MEANS CONTAINED IN SAID HOUSING IN ELECTRICAL CONNECTION WITH SAID SOLENOID, SAID TRIGGER BEING ARRANGED TO ACTUATE SAID SWITCH MEANS WHEREBY SAID SOLENOID IS ENERGIZED; (F) A FASTENER DRIVER BLADE LOOSELY SECURED TO THE EXTERNALLY EXTENDING PORTION OF SAID ARMATURE FOR MOVEMENT TOGETHER THEREWITH, SAID DRIVER BLADE BEING DISPOSED ON THE OUTSIDE OF SAID SOLENOID CASING FOR MOVEMENT IN A PLANE PARALLEL TO THAT OF SAID ARMATURE; (G) A COMBINATION HEAD AND FASTENER SUPPLY HOUSING REMOVABLY MOUNTED ON SAID HOUSING IN COVERING RELATIONSHIP TO THE OPEN FRONT AND BOTTOM SURFACES, RESPECTIVELY, THEREOF, THE HEAD PORTION OF SAID COMBINATION HOUSING DEFINING A GUIDE TRACK FOR SAID DRIVER BLADE, THE FASTENER SUPPLY PORTION OF SAID COMBINATION HOUSING DEFINING A GUIDE TRACK FOR THE FASTENERS TO BE DRIVEN; (H) A FASTENER PUSHER BAR SLIDINGLY DISPOSED IN THE FASTENER SUPPLY PORTION OF SAID COMBINATION HOUSING AND (I) RETAINING MEANS TO RELEASABLY HOLD SAID COMBINATION HOUSING ON SAID TOOL HOUSING.