Moving system for a cableway plant comprising two hauling cables
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United States of America Patent
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N/A
Issued Date -
Nov 9, 2006
app pub date -
Apr 19, 2006
filing date -
May 3, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Simplified regulation and balancing system applicable to cableway plants, of the continuous or to-and-fro type, equipped with two hauling cables functioning in parallel. In a system according to the invention, the two cables are moved by distinct pulleys with separate winches; the kinematic chains of the two winches however are connected to each other by a device which is structurally similar to a car differential, whose outer box is kept blocked during normal functioning. In this way, the two winches are mechanically constrained and can rotate only at the same speed. By rotating the differential box with an external system, a corresponding difference in the rotation rate is actuated between the two motor shafts; the rotation can take place, for example, with a small balancing motor-reducer which activates a toothed crown integral with the box.
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