Movable or removable closures – Operator interrelated with closure latch release – Motor driven
Patent
1980-03-03
1982-02-02
Downey, Kenneth
Movable or removable closures
Operator interrelated with closure latch release
Motor driven
49360, 49139, E05F 1500
Patent
active
043132812
ABSTRACT:
An improved gate opening and closing apparatus which is designed to shift a gate from an opened position to a closed position and from the closed position to the opened position with respect to an access opening and which preferably shifts the gate in a linear path with respect to the access opening. The apparatus generally comprises a housing which may contain a gear drive along with a motor, such as an electric motor. The motor, through the gear drive, may rotate a drive member, such as a drive wheel, which is operatively connected to the motor and which drive member is capable of being operatively connected to a gate for causing shifting movement of the gate. The apparatus is also provided with a locking mechanism associated with the drive member to prevent movement of the gate when the motive means is not energized. In like manner, the locking mechanism is designed to automatically open or shift to the unlocked position when the motor is energized so that the drive member, powered by the motor, may cause the gate to shift between the open and closed positions. The apparatus further comprises a manually operable release member which is connected to the locking mechanism and to the drive member such that the manually operable release member when operated opens the locking mechanism and substantially simultaneously operatively disconnects the drive member from the motor. In this way, it is possible to override the drive mechanism in the event of an emergency condition such as a power failure or the like.
REFERENCES:
patent: 3606699 (1971-09-01), Robinson, Sr.
patent: 4159599 (1979-07-01), Richmond
Downey Kenneth
Schaap Robert J.
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