Tubular linear motor driven elevator
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 5, 1994
Grant Date -
N/A
app pub date -
Mar 24, 1992
filing date -
Mar 25, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A linear motor driven elevator comprises: a cab capable of upward and downward movement; a linear motor comprising a movable element and a stationary element; a counterweight attached to the movable element such that the movable element is disposed thereon out of register with the center of gravity of the counterweight; and a rope connecting the cab and the counterweight at the center of gravity of the counterweight.
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Family
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