Moisture responsive window control system

• US 3,168,303 A
• Filed: 11/08/1962
• Issued: 02/02/1965
• Est. Priority Date: 11/08/1962
• Status: Expired due to Term

• Current Assignee: Kenneth R. Skinner
• Original Assignee: Kenneth R. Skinner
• Inventors: Skinner, Kenneth R.
• Application Number:
  US04/237,433
• Time in Patent Office: 817 Days
• US Class Current: 49/21
• CPC Class Codes: E05F 15/71 responsive to temperature changes, rain, wind or noise
• CPC Class Codes: H02P 1/04 Means for controlling progress of starting sequence in dependence upon time or upon current, speed, or other motor parameter

Claims

1. A RAIN RESPONSIVE AUTOMATIC WINDOW CLOSING SYSTEM INCLUDING A VOLTAGE SOURCE, A WINDOW OPERATING MOTOR CONNECTED TO CLOSE A WINDOW, WIRING CONNECTING SAID VOLTAGE SOURCE WITH SAID MOTOR, A SWITCH CONNECTED BETWEEN SAID SOURCE AND SAID MOTOR, SWITCH OPERATING MEANS, MOISTURE RESPONSIVE MEANS CONNECTED BETWEEN SAID SWITCH OPERATING MEANS AND SAID VOLTAGE SOURCE AND OPERATIVE WHEN WET TO ENERGIZE SAID SWITCH OPERATING MEANS TO CAUSE SAID SWITCH OPERATING MEANS TO CLOSE SAID SWITCH AND CONNECT SAID MOTOR WITH SAID VOLTAGE SOURCE, SAID WIRING HAVING A PREDETERMINED RESISTANCE PROVIDING LESS THAN A PREDETERMINED VOLTAGE DROP BETWEEN SAID VOLTAGE SOURCE AND SAID MOTOR WHEN SAID MOTOR IS OPERATING FREELY AND PROVIDING SAID PREDETERMINED VOLTAGE DROP WHEN SAID MOTOR IS STALLED DUE TO ITS WINDOW ENCOUNTERING A RESISTANCE, AND ADDITIONAL MEANS CONNECTED BETWEEN SAID SWITCH OPERATING MEANS AND SAID VOLTAGE SOURCE AND RESPONSIVE TO SAID PREDETERMINED VOLTAGE DROP FOR CAUSING SAID SWITCH OPERATING MEANS TO OPEN SAID SWITCH UPON THE OCCURRENCE OF SAID PREDETERMINED VOLTAGE DROP.