Coaxial solenoid for starter motors

Claim 1

IN A STARTER DRIVE, A STARTER MOTOR INCLUDING A ROTATABLE ARMATURE HAVING A SHAFT PROVIDED WITH DRIVING SPLINES, AN OVERRUNNING CLUTCH ASSEMBLY INCLUDING A DRIVING PINION ENGAGING SAID SPLINES IN A DRIVING RELATION MOVABLE ALONG SAID SHAFT TO MESH THE PINION WITH A RING GEAR OF AN ENGINE TO BE STARTED BY TRANSFERRING DRIVING TORQUE FROM SAID MOTOR TO THE ENGINE RING GEAR, A SOLENOID ASSEMBLY INCLUDING A MAGNETIC CIRCUIT POSITIONED IN COAXIAL RELATION WITH REFERENCE TO THE ARMATURE SHAFT HAVING AN ARMATURE RESILIENTLY ENGAGING THE CLUTCH ASSEMBLY TO MOVE THE CLUTCH ASSEMBLY TOWARD THE RING GEAR TO MESH THE PINION WITH THE RING GEAR, A MANUAL SWITCH TO CONTROL THE ENERGIZATION OF THE SOLENOID, A NORMALLY-OPEN SECOND SWITCH CAPABLE OF BEING ACTUATED BY THE SOLENOID ARMATURE TO CONTROL THE ENERGIZATION OF THE STARTER MOTOR, AND PIVOTED MEANS MOVABLE BY THE SOLENOID ARMATURE IN A DIRECTION TO CLOSE THE SECOND SWITCH.