Lift device for dust collection box of wood working machine
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United States of America Patent
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Sep 29, 2020
Grant Date -
N/A
app pub date -
Jul 3, 2019
filing date -
Jul 3, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
A lift device for a dust collection box of a wood working machine includes a driving shaft unit, a passive shaft unit, a rotary unit, a break unit, a pulley unit and a cable unit. The driving shaft unit and the passive shaft unit are connected to the underside of the working table. The driving shaft unit includes a first gear and a second gear. The passive shaft unit includes a third gear which is engaged with the second gear. The rotary unit is connected to the driving shaft unit to rotate the driving shaft. The break unit is pviotable between a break position and a loose position. When the break unit is at the break position, the break unit prevents the driving shaft from self-rotating. The lift device lifted or lowers the dust collection box by cooperation of the pulley unit and the cable unit the lift device.
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