Equipment for fine positioning of the cars of a multi-stage...

Details Equipment for fine positioning of the cars of a multi-stage... Equipment for fine positioning of the cars of a multi-stage...

2007-06-19

2007-06-19

Crawford, Gene O. (Department: 3654)

Elevator, industrial lift truck, or stationary lift for vehicle

Having independent supports carrying distinct loads and...

C187S291000, C187S251000, C254S265000, C254S385000

Reexamination Certificate

active

11080034

ABSTRACT:
A multi-stage elevator car has equipment for fine positioning of the cars wherein the car thresholds are positionable at the level of the floor thresholds. Adjusting equipment operating on the principle of a differential block and pulley is provided for fine positioning of the cars, the equipment including an endless cable guided over deflecting rollers arranged at the main frame of the multi-stage car and over deflecting rollers arranged at the cars, wherein the cars execute vertical movements of opposite sense.

REFERENCES:
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patent: 2000296971 (2000-10-01), None
patent: WO02/38342 (2002-05-01), None
patent: WO03/086932 (2003-10-01), None
patent: WO2004/087552 (2004-10-01), None

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