Motor reversing circuit

Claim 1

A REVERSING CIRCUIT FOR A REVISIBLE D.C. MOTOR ADAPTED TO BE ENERGIZED FROM A UNIDIRECTIONAL POWER SOURCE AND HAVING AN ARMATURE THROUGH WHICH CURRENT MAY PASS IN OPPOSITE DIRECTIONS TO REVERSE THE DIRECTION OF ROTATION OF THE MOTOR, SAID REVERSING CIRCUIT COMPRISING, IN COMBINATION WITH SAID MOTOR AND POWER SOURCE: (A) A CONTROL SWITCH HAVING MOVABLE CONTACT MEANS CONNECTED TO ONE SIDE OF THE POWER SOURCE, AND FIRST AND SECOND CONTACTS SELECTIVELY ENGAGED BY THE MOVABLE CONTACT MEANS; (B) A RELAY HAVING AN OPERATING COIL, A FIRST PAIR OF NORMALLY OPEN CONTACTS, A SECOND PAIR OF NORMALLY OPEN CONTACTS AND A THIRD PAIR OF NORMALLY CLOSED CONTACTS, SAID PAIRS OF NORMALLY OPEN CONTACTS BEING CLOSED AND SAID PAIR OF NORMALLY CLOSED CONTACTS BEING OPENED WHEN SAID COIL IS ENERGIZED; (C) FIRST CONDUCTOR MEANS CONNECTING THE RELAY COIL BETWEEN THE FIRST CONTROL SWITCH CONTACT AND THE OTHER SIDE OF THE POWER SOURCE; (D) SECOND CONDUCTOR MEANS CONNECTING ONE SIDE OF THE MOTOR ARMATURE TO THE SECOND CONTROL SWITCH CONTACT; (E) THIRD CONDUCTOR MEANS CONNECTING THE FIRST PAIR OF NORMALLY OPEN RELAY CONTACTS BETWEEN SAID ONE SIDE OF THE MOTOR ARMATURE AND SAID OTHER SIDE OF THE POWER SOURCE; (F) FOURTH CONDUCTOR MEANS CONNECTING THE SECOND PAIR OF NORMALLY OPEN RLAY CONTACTS BETWEEN THE FIRST CONTROL SWITCH CONTACT AND THE OTHER SIDE OF THE MOTOR ARMATURE; (G) FIFTH CONDUCTOR MEANS CONNECTING THE THIRD PAIR OF NORMALLY CLOSED RELAY CONTACTS BETWEEN SAID OTHER SIDE OF THE MOTOR ARMATURE AND SAID OTHER SIDE OF THE POWER SOURCE; (H) THE CONTROL SWITCH WHEN THE MOVABLE CONTACT MEANS ENGAGES THE CONTROL SWITCH SECOND CONTACT AND THE THIRD PAIR OF NORMALLY CLOSED RELAY CONTACTS COMPRISING A FIRST ARMATURE ENERGIZING CIRCUIT FOR CAUSING CURRENT FLOW THROUGH THE ARMATURE IN A CERTAIN DIRECTION; AND (I) THE CONTROL SWITCH WHEN THE MOVABLE CONTACT MEANS ENGAGES THE CONTROL SWITCH FIRST CONTACT AND THE FIRST AND SECOND PAIRS OF NORMALLY OPEN RELAY CONTACTS WHEN CLOSED COMPRISING A SECOND ARMATURE ENERGIZING CIRCUIT FOR CAUSING CURRENT FLOW THROUGH THE ARMATURE IN A REVERSED DIRECTION.