Automatically actuated door arrangement

Details Automatically actuated door arrangement Automatically actuated door arrangement

1993-02-19

1994-09-20

Kannan, Philip C.

Movable or removable closures

Radiant energy control

49 13, 49 28, 49 29, 49118, 49123, 49138, 49231, 49280, E05F 1520, E05C 706

Patent

active

053477553

ABSTRACT:
An automatically actuated door arrangement is provided. The arrangement includes a plurality of slidable doors which are opened and closed by an electric motor/cable arrangement. Open and close switches control the opening and closing of the doors. A sensor device provides the open doors/close doors signals to the controller, and eventually to the motor. The motor is connected to the cable drive by a clutch arrangement which allows slippage should the movement of the doors become obstructed. The door travel path may be arranged in a slight V-shape, to allow for more efficient sealing of the door bottoms. A controller is provided to receive, process, and distribute electronic signals for controlling the extent of the door opening, the speed of opening and closing, and other operating parameters. The controller includes a series of indicators for monitoring the status of the door arrangement, and also includes inputs for altering the operating parameters of the door arrangement.

REFERENCES:
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patent: 3834081 (1974-09-01), Catlett
patent: 4142326 (1979-03-01), Schmitz
patent: 4376971 (1983-03-01), Landgraf et al.
patent: 4503637 (1985-03-01), Parente
patent: 4658545 (1987-04-01), Ingham et al.
patent: 4674231 (1987-06-01), Radek et al.
patent: 4771218 (1988-09-01), McGee
patent: 5019758 (1991-05-01), Jones et al.
patent: 5191268 (1993-03-01), Duhame

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