MANUAL SCREW SHAFT DRIVING DEVICE
Number of patents in Portfolio can not be more than 2000
United States of America
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Issued Date -
Apr 10, 2025
app pub date -
May 8, 2024
filing date -
May 8, 2024
priority date (Note) -
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Abstract
Disclosed is manual screw shaft driving device, comprising: a screw shaft, a driving member, a gripping member and a driving direction switching member, wherein the driving member is fitted around the screw shaft in a screw fit manner, the screw shaft is provided passing through a sliding and rotating space inside the gripping member, and the driving member is disposed in the sliding and rotating space, wherein while the driving direction switching member is switched to a first switching position, the screw shaft is driven to rotate only in a first rotation direction by a manual forward and backward sliding operation of the gripping member, and while the driving direction switching member is switched to a second switching position, the screw shaft is driven to rotate only in a second rotation direction by the manual forward and backward sliding operation of the gripping member.
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