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
2006-11-21
2006-11-21
Matecki, Kathy (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
C187S266000, C187S411000, C187S414000, C057S231000, C057S232000
Reexamination Certificate
active
07137483
ABSTRACT:
An elevator in which the sheave diameter is reduced and the attendant lowering of the rope life and strength is suppressed to secure safety and reliability. To this end, a rope is used in which a plurality of element wires constituting the wire rope are each covered with resin material and the whole wire rope is covered with resin material, thereby reducing the wear due to slippage between the element wires and the wear due to contact with the sheave, which wear occurs when the rope is entrained around the sheave. When the elevator sheave diameter is reduced, a worried lowering of the rope life can be suppressed or the rope life can be improved. Thus, it is possible to achieve reduction of size and weight of equipment including motors and hoists, installation space saving for elevators, improved safety and reliability of the system by virtue of the increased rope life.
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Communication from the EPO with observations by a third party, dated Feb. 4, 2004, for No. EP 01 90 1497.
Inaba Hiromi
Kato Kensuke
Nagase Hiroshi
Nakamura Ichiro
Teramoto Takashi
Hitachi , Ltd.
Kruer Stefan
Matecki Kathy
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