Elevator apparatus

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

C187S254000

Reexamination Certificate

active

07316296

ABSTRACT:
In an elevator apparatus, a first driving machine having a first drive sheave and a second driving machine having a second drive sheave are disposed in an upper portion of a hoistway. A car and first and second counterweights are suspended inside the hoistway by a main rope body wound around the first and second drive sheaves. The car and the first and second counterweights are raised and lowered inside the hoistway by a driving force from the first and second driving machines.

REFERENCES:
patent: 5226507 (1993-07-01), Kawarasaki
patent: 6193017 (2001-02-01), Koster
patent: 6193018 (2001-02-01), Schroder-Brumloop et al.
patent: 6247557 (2001-06-01), Kobayashi et al.
patent: 7117977 (2006-10-01), Abe
patent: 2006/0175138 (2006-08-01), Hashiguchi
patent: 1094887 (2002-11-01), None
patent: 1 006 071 (2000-06-01), None
patent: 7-117957 (1995-05-01), None
patent: 11-246145 (1999-09-01), None
patent: 11-310372 (1999-11-01), None
patent: 2000-255933 (2000-09-01), None
patent: WO 02/30801 (2002-04-01), None
patent: WO 03/104126 (2003-12-01), None
International Search Report dated Sep. 14, 2004.
Chinese Office Action, with English-language Translation, dated Dec. 22, 2006.

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