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How does a screw jack work

How does a screw jack work

2025-10-27

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TAG: jack work

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A mechanical jack is a type of manual lifting tool. It features a compact structure and utilizes the swing of a rocker lever to rotate a pinion. This, coupled with a pair of bevel gears, drives a screw, which in turn pushes a lifting sleeve, thereby raising or lowering a load.

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