Drive assembly and apparatus for hoist
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United States of America Patent
Stats
-
Mar 24, 2015
Grant Date -
Dec 15, 2011
app pub date -
Mar 1, 2010
filing date -
Mar 2, 2009
priority date (Note) -
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status (Latency Note)
Importance
Abstract
An assembly includes a motor; a second motor; a planetary transmission coupled to the motor and the second motor, and a spool coupled to the transmission. The spool has an interior volume for receiving the motor, the second motor and the transmission, and the motor and the second motor are disposed or disposable entirely within the spool. The motor and the second motor are capable of being operated such that one of the motors is speed controlled, and the other motor is torque controlled.
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