Double reduction gear drive means
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United States of America Patent
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-
Jun 4, 2002
Grant Date -
N/A
app pub date -
Jan 25, 2001
filing date -
Jan 25, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A double gear reduction drive mechanism for powering movement of a boat lifting cable for moving of a watercraft upwardly from the water to an elevated position and downwardly from the elevated position of storage to a position in the water therebelow. The device includes two gear reduction mechanisms within the same housing or within separate adjacent housings which can be connected to a drive means for powering rotational movement of a cable spool with at least one boat lift cable attached thereto. This gear drive is a direct drive system since it does not include any belts, chains or pulleys but utilizes direct engagement between two immediately adjacently positioned pairs of gears each of which reduces rotational speed to effect an increase in power, torque and accurate control of movement of boat lifting cable.
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