Linear motor door system for elevators

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EP 0 751 089 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	28.05.1997 Bulletin 1997/22

(43)	Date of publication A2:
	02.01.1997 Bulletin 1997/01

(21)	Application number: 96304844.2

(22)	Date of filing: 01.07.1996

(51)	International Patent Classification (IPC)⁶: B66B 13/08

(84)	Designated Contracting States:
	DE ES FR GB IT

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Priority:

30.06.1995 US 497630

(71)	Applicant: OTIS ELEVATOR COMPANY
	Farmington, CT 06032 (US)

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Inventors:

Barrett,David W.
East Hartland, Connecticut 06027 (US)
Jaminet,Jerome F.
South Windsor, Connecticut 06074 (US)
Mchugh,Thomas M.
Farmington, Connecticut 06032 (US)
Kowalczyk, Thomas M.
Farmington, Connecticut 06032 (US)
Peruggi, Richard E.
Glastonbury, Connecticut 06033 (US)
He,Thomas
Unionville, Connecticut 06085 (US)
Ahigian, Edward E.
Chicago,Illinois 60622 (US)
Kulak,Richard E.
Bristol, Connecticut 06010 (US)

(74)	Representative: Tomlinson, Kerry John et al
	Frank B. Dehn & Co., European Patent Attorneys, 179 Queen Victoria Street London EC4V 4EL London EC4V 4EL (GB)

(54)	Linear motor door system for elevators

(57) A linear motor door system (100) for elevator car doors (120,140) includes first and second doors movable horizontally toward or away from one another, and a linear motor attached to the doors. The primary (150) of the linear motor is fixed to and movable with the first door (140) and the secondary (160) of the linear motor is fixed to and movable with the second door (120).

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