Title: Elevator system

Abstract: An elevator system including an elevator car having an electromechanical door restraint mechanism which prevents the forceable opening of an elevator car door by passengers when the elevator car stops outside a predetermined zone adjacent to a floor level, at least to an extent which would enable passenger exit from the car.

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Inventors: Dorman, John G. (Randolph, NJ)
Balbo, Anthony M. (Millburn, NJ)
Randall, Charles E. (Boiling Springs, PA)
Sette, Robert A. (Gettysburg, PA)

Application Number: 06/375249
Filing Date: 1982-05-05
Publication_date: 1984-03-13
Assignee: WESTINGHOUSE ELECTRIC CORP (US)

Primary Class(es): 187/331 187/57
Other Classes: B66B13/08; B66B13/02; B66B13/16
US Patent Ref:

1822152	September, 1931	Kinnard et al.	187/29	Selenium cell door closer
3721319	March, 1973	Hall et al.	187/57	HOISTS
3878919	April, 1975	Dewhurst	187/57	Elevator car door operating and locking device
3991858	November, 1976	Westerlund	187/57	Locking device for a door
4313525	February, 1982	McDonald	187/57	Car door safety interlock
4357998	November, 1982	Gibson et al.	187/57	Between landing car door safety lock

Other Refs: DE2334844

February, 1975

187/57

Primary Examiner: Truhe V, J.
Assistant Examiner: Duncanson Jr., W. E.
Attorney: Lackey D. R.

Claims:

We claim as ou