Speed control device of an automatic operating apparatus for a door or the like

Claim 1

A SYSTEM FOR AUTOMATICALLY CONTROLLING THE OPERATION OF A DOOR OR THE LIKE COMPRISING: A MOTOR HAVING SERIES FIELD AND ARMATURE WINDINGS, RESISTANCE MEANS IN PARALLEL WITH SAID ARMATURE WINDINGS, SHAFT MEANS CONNECTING SAID MOTOR TO THE DOOR FOR MOVEMENT THEREOF, CAM MEANS MOUNTED ON THE SAID SHAFT MEANS FOR ROTATION THEREWITH, RELAY MEANS IN CIRCUIT WITH SAID MOTOR FOR REVERSING THE DIRECTION OF ROTATION, FIRST AND SECOND DRIVE SWITCH MEANS IN CIRCUIT WITH SAID MOTOR AND IN ABUTTED RELATION WITH SAID CAM MEANS FOR ACTUATION THEREBY, FIRST AND SECOND CONTROL SWITCH MEANS IN CIRCUIT WITH SAID ARMATURE WINDING AND SAID RESISTANCE MEANS IN ABUTTED RELATION WITH SAID CAM MEANS FOR ACTUATION THEREBY, SAID FIRST CONTROL SWITCH MEANS AND SAID FIRST DRIVE SWITCH MEANS ACTUATED CLOSED AND OPENED RESPECTIVELY AND IN SEQUENTIAL ORDER BY SAID CAM MEANS TO SHORT CIRCUIT A PORTION OF SAID RESISTANCE MEANS THEREBY SLOWING THE SPEED OF SAID MOTOR BEFORE THE DOOR IS FULLY OPEN AT WHICH TIME THE SAID MOTOR IS DEENERGIZED, SAID SECOND CONTROL SWITCH MEANS AND SAID SECOND DRIVE SWITCH MEANS ACTUATED CLOSED AND OPEN RESPECTIVELY AND IN SEQUENTIAL ORDER BY SAID CAM MEANS FOR SHORT CIRCUITING A PORTION OF SAID RESISTANCE MEANS THEREBY SLOWING THE SPEED OF SAID MOTOR BEFORE THE DOOR IS FULLY CLOSED, AT WHICH TIME SAID MOTOR IS DEENERGIZED, AND CONTACT MEANS ON SAID RELAY MEANS FOR REMOVING SAID SHORT CIRCUIT FROM SAID PORTION OF SAID RESISTOR WHEN THE DOOR IS ACTUATED OPEN FROM ITS FULL CLOSED POSITION AND WHEN THE DOOR IS ACTUATED CLOSED FROM ITS FULL OPEN POSITION.

Claim 2

A SYSTEM FOR AUTOMATICALLY CONTROLLING THE OPERATION OF A DOOR OR THE LIKE COMPRISING: A MOTOR HAVING SERIES FIELD AND ARMATURE WINDINGS, RESISTANCE MEANS IN PARALLEL WITH SAID ARMATURE WINDINGS, SHAFT MEANS CONNECTING SAID MOTOR TO THE DOOR FOR MOVEMENT THEREOF, CAM MEANS MOUNTED ON THE SAID SHAFT MEANS FOR ROTATION THEREWITH, RELAY MEANS IN CIRCUIT WITH SAID MOTOR FOR REVERSING THE DIRECTION OF ROTATION, FIRST AND SECOND DRIVE SWITCH MEANS IN CIRCUIT WITH SAID MOTOR AND IN ABUTTED RELATION WITH SAID CAM MEANS FOR ACTUATION THEREBY, FIRST AND SECOND CONTROL SWITCH MEANS IN CIRCUIT WITH SAID ARMATURE WINDING AND SAID RESISTANCE MEANS IN ABUTTED RELATION WITH SAID CAM MEANS FOR ACTUATION THEREBY, SAID FIRST CONTROL SWITCH MEANS AND SAID FIRST DRIVE SWITCH MEANS ACTUATED CLOSED AND OPENED RESPECTIVELY AND IN SEQUENTIAL ORDER BY SAID CAM MEANS TO SHORT CIRCUIT A PORTION OF SAID RESISTANCE MEANS THEREBY SLOWING THE SPEED OF SAID MOTOR BEFORE THE DOOR IS FULLY OPEN AT WHICH TIME THE SAID MOTOR IS DEENERGIZED, SAID SECOND CONTROL SWITCH MEANS AND SAID SECOND DRIVE SWITCH MEANS ACTUATED CLOSED AND OPEN RESPECTIVELY AND IN SEQUENTIAL ORDER BY SAID CAM MEANS FOR SHORT CIRCUITING A PORTION OF SAID RESISTANCE MEANS THEREBY SLOWING THE SPEED OF SAID MOTOR BEFORE THE DOOR IS FULLY CLOSED, AT WHICH TIME SAID MOTOR IS DEENERGIZED, AND CONTACT MEANS ON SAID RELAY MEANS FOR REMOVING SAID SHORT CIRCUIT FROM SAID PORTION OF SAID RESISTOR WHEN THE DOOR IS ACTUATED OPEN FROM ITS FULL CLOSED POSITION AND WHEN THE DOOR IS ACTUATED CLOSED FROM ITS FULL OPEN POSITION.