Universal garage door closer

Details Universal garage door closer Universal garage door closer

1996-04-29

1998-05-19

Dorner, Kenneth J.

Movable or removable closures

Time controlled

49 31, E05F 1520

Patent

active

057523436

ABSTRACT:
An add-on control device is shown that is used in conjunction with existing garage door opener systems. The device includes an electronic control device that will automatically close the door if left open, or can be programmed to stay open, and will automatically close an open door when it gets dark. The device includes a control circuit, connected in parallel with the push button control of the garage door opener, actuated when the garage door is opened. A timing circuit having at least two selectable timing cycles is actuated when the garage door is opened and closes the garage door after a selected timing cycle. A cancel circuit cancels the selected timing cycle when the garage door is to remain open. A reset circuit, called the cancel switch is used for re-initiating the selected timing cycle to close the garage door.

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patent: 5282337 (1994-02-01), Duhame et al.
patent: 5357183 (1994-10-01), Lin
patent: 5428278 (1995-06-01), Bollengier et al.

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