Creation of temporary safety spaces for elevators

Details Creation of temporary safety spaces for elevators Creation of temporary safety spaces for elevators

2007-08-21

2007-08-21

Crawford, Gene O. (Department: 3654)

Elevator, industrial lift truck, or stationary lift for vehicle

Having specific means contacting or on load support for...

C187S414000, C187S377000, C187S379000, C074S054000

Reexamination Certificate

active

11110574

ABSTRACT:
The invention provides an elevator having a car movable along guide rails mounted in a shaft. The elevator comprises an inspection control station mounted on top of the car and accessible via a movable control station cover, blocking means for selectively preventing movement of the car into a safety space within the shaft and actuation means for actuating the blocking means. The actuation means is configured for concurrent movement with the control station cover. Accordingly, a temporary safety space is automatically created within the shaft as the maintenance technician opens the control station cover to move the car using the inspection control station.

REFERENCES:
patent: 5411117 (1995-05-01), Hayrinen
patent: 5773771 (1998-06-01), Chatham
patent: 6202801 (2001-03-01), Muller et al.
patent: 99 07654 (2000-12-01), None
patent: 2000016725 (2000-01-01), None

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