Adjusting device for lifting and lowering a workbench
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United States of America Patent
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Jan 3, 2017
Grant Date -
Aug 4, 2016
app pub date -
Feb 2, 2015
filing date -
Feb 2, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
An adjusting device for lifting and lowering a workbench is provided between a workbench and a workbench rest. An adjusting seat is firmly secured with the workbench rest and an adjusting wheel is screwed and locked on the adjusting seat. A screwing fastener is inserted through the underside of the workbench and the adjusting wheel, and an elastic member is provided between an upper flange of the screwing fastener and the topside of a fixed plate of the workbench. Thus, by the prestress of the elastic member pushing against the workbench, the workbench can be surely driven by screw rotation of the adjusting wheel and hence the adjusting wheel can easily drive the workbench to move up and down.
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