B - Operations – Transporting – 65 – F
Patent
B - Operations, Transporting
65
F
232/22, 342/17.2
B65F 1/16 (2006.01) B65D 55/00 (2006.01)
Patent
CA 1280725
Abstract of the Disclosure The automatic touch actuated door opener includes an elongated flexible tension member having one end connected to a door and the other end connected to a tension member take-up device. The door is biased to its closed position for maintain- ing tension in the tension member when the door is moved to its closed position. A switch in contact with the tension member senses decreased tension due to external touching pressure against the door and actuates the take-up device to automatically open the door. A time delay switch causes the take-up device to allow the door to return to its closed position after the preselected time interval. An alternate emobidment includes a pair of limit switches which are sequentially engaged and released in response to increased and decreased tension respectively in the tension member.
545576
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