Elevator system including door operator having an enclosure whic

Details Elevator system including door operator having an enclosure whic Elevator system including door operator having an enclosure whic

1975-08-28

1977-01-25

Blunk, Evon C.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

49409, 187 1R, 187 56, B66B 1308

Patent

active

040046559

ABSTRACT:
An elevator system including an elevator car, a passenger opening in the elevator car, a door operable between open and closed positions relative to the passenger opening, and a door operator for the door. The door operator includes a drive motor, a drive for imparting linear motion to the door, speed control and limit switches, associated door control, and various accessory equipment, such as emergency lighting control, alarm bell, and control for object sensing door re-opening devices, all mounted within a common enclosure on the top of the elevator car, which permits open wiring between the electrical components. The common enclosure also functions as the hanger roller track and up thrust roller guide.

REFERENCES:
patent: 1934867 (1933-11-01), Lindstrom et al.
patent: 2900521 (1959-08-01), Eames
patent: 2905463 (1959-09-01), Borden
patent: 3426480 (1969-02-01), Dzamba

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