Mechanisms — mechanical jack

Recent Blogs

Pawl Lift diagram
Pawl Lift Mechanism Explained: How It Works, Parts, Formula, Diagram and Uses
Pawl Lift mechanisms convert reciprocating motion into stepped lifting in jacks, hoists and stamping presses. See the formula, worked example and design rules.
Skip Jack diagram
Skip Jack Mechanism Explained: How the Ratchet and Pawl Lifting Jack Works, Parts and Uses
Skip Jack mechanism explained — how the ratchet-and-pawl lifting jack works, where road crews use it, formulas, worked example, and failure modes.
Ratchet Lift diagram
Ratchet Lift Mechanism Explained: How It Works, Diagram, Parts, Formula and Uses
Ratchet Lift mechanism explained — how the pawl-and-toothed-bar system holds load in stage rigging, jacks, and scissor lifts without backdrive.