Platform Lift
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United States of America Patent
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Issued Date -
Nov 12, 2015
app pub date -
May 9, 2014
filing date -
May 9, 2014
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A platform lift employs flexible polyurethane timing belts as flexible rack members in a rack and pinion type drive mechanism. The platform lift includes a horizontal platform or deck shiftably mounted to a frame upright, post or column that is raised and lowered by movement of a “drive” carriage shiftably disposed within the frame upright. The carriage is driven along the flexible polyurethane timing belt disposed within the frame upright by a reversible electric motor that turns the pinion gear inside the carriage. The timing belt passes through a carriage and is trained around the pinion and between two idle rollers in a serpentine fashion.
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