Elevator installation with flat-belt-type suspension means...

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

Reexamination Certificate

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Details

C187S251000, C187S252000, C187S254000, C187S411000, C187S412000

Reexamination Certificate

active

07077241

ABSTRACT:
In an elevator installation with an elevator car and a counterweight suspended and driven by several flat-belt-type suspension devices arranged in parallel, the suspension devices are arranged in parallel vertical planes that run diagonal to main horizontal axes of the counterweight and/or of the elevator car. Mounted on the counterweight and on the elevator car are suspension-sheave systems of which at least one comprises several suspension-sheave units which each have one suspension sheave and are arranged adjacent to each other, the suspension-sheave units being fastened to the counterweight and/or to the elevator car in such manner that the axles of the suspension sheaves are essentially horizontal and each are swivelable about one associated vertical axis.

REFERENCES:
patent: 611416 (1898-09-01), Reynolds
patent: 1861908 (1932-06-01), Culp
patent: 2322774 (1943-06-01), Polack
patent: 5533595 (1996-07-01), Narumi et al.
patent: 5957243 (1999-09-01), Root et al.
patent: 6341669 (2002-01-01), St. Pierre et al.
patent: 6386324 (2002-05-01), Baranda et al.
patent: 6488123 (2002-12-01), Pitts et al.
patent: 6742628 (2004-06-01), Bauer
patent: 6820726 (2004-11-01), Ericson et al.
patent: 05294584 (1993-11-01), None
patent: WO 99/43593 (1999-09-01), None
patent: WO 9943591 (1999-09-01), None

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