Garage door closing apparatus

Details Garage door closing apparatus Garage door closing apparatus

1990-08-31

1991-07-02

Lindsey, Rodney M.

Movable or removable closures

Time controlled

Predetermined delay governs start of closure movement

E05F 1520

Patent

active

050275534

ABSTRACT:
An add-on device for a motorized garage door opener for automatically closing the door after a delay following the opening of the garage door by a driver and movement of a vehicle out of the garage. The device automatically prevents the door being inadvertently left open, as when a driver forgets to operate a remote controller to close the door.

REFERENCES:
patent: 2807460 (1957-09-01), Guimont
patent: 3060361 (1962-10-01), Purdy
patent: 3510982 (1970-05-01), Purdy
patent: 3733747 (1973-05-01), Fox et al.
patent: 4414778 (1983-11-01), Carli
patent: 4583517 (1986-04-01), Hilton et al.
patent: 4821024 (1989-04-01), Bayha

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