Installation with support means for driving an elevator car,...

Details Installation with support means for driving an elevator car,... Installation with support means for driving an elevator car,...

2007-04-24

2007-04-24

Crawford, Gene O. (Department: 3654)

Elevator, industrial lift truck, or stationary lift for vehicle

Having specific load support drive-means or its control

Includes linking support cable in drive-means

C187S252000, C187S254000, C187S414000, C474S260000, C474S266000

Reexamination Certificate

active

11459386

ABSTRACT:
An elevator installation has a support device engaging a driven drive pulley for driving an elevator car. The support device loops around the drive pulley at least partly and has a safety section which is so arranged that the safety section interacts with the drive pulley when the elevator car or a counterweight after overrunning an upper position approaches an upper shaft end. The safety section is formed in such a manner that a slipping through results due to the interaction between the drive pulley and the support device.

REFERENCES:
patent: 2855072 (1958-10-01), Drummond
patent: 4892510 (1990-01-01), Matsuoka et al.
patent: 7137918 (2006-11-01), Nonnast et al.

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