Remotely controllable automatic door operator and closer

Details Remotely controllable automatic door operator and closer Remotely controllable automatic door operator and closer

2005-05-10

2005-05-10

Hofsass, Jeffrey (Department: 2636)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S545100, C116S086000, C049S013000

Reexamination Certificate

active

06891479

ABSTRACT:
A remotely controllable door operator apparatus is mountable to a doorframe structure and a movable door to control door movement between a closed position and an opened position. The operator apparatus includes a motor assembly, a linkage device, a slip clutch assembly, and a controller unit. The motor assembly has an output shaft, and the motor is mountable to one of the door and the door frame structure. The slip clutch assembly is coupled between the output shaft and the linkage device to transfer torque therebetween, and can slip to enable manual and remote operation of the door. The controller unit is coupled to the motor assembly to activate the operator apparatus to close the door in manual operation, and to open and to close the door in response to at least one remote signal. A method of using the remotely controllable automatic door operator and closer is also disclosed.

REFERENCES:
patent: 5050346 (1991-09-01), Eccleston
patent: 5095654 (1992-03-01), Eccleston
patent: 5878530 (1999-03-01), Eccleston et al.
Doormaster—All Electric Light Duty Door Operator—Installation Instructions,Date Unknown, pp. 1-16, Lanson Industries, Inc., Greendale, Wisconsin.

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