Mechanisms — draw latch

Recent Blogs

Toggle Latch diagram
Toggle Latch: Over-center Arrangement and Elastic Comparison
Explore an over-center draw latch and compare an assumed elastic extension with a constant rate. The calculation does not establish latch force or locking reliability.
Draw Latch diagram
Draw Latch Mechanism Explained: How It Works, Parts, Over-Center Geometry & Clamp Force Formula
Explore an over-center draw latch and calculate ideal bail tension from hand force, handle length and the perpendicular moment arm at a selected angle.
Cam Latch diagram
Cam Latch Mechanism: How It Works, Diagram, Parts, Formula, and Uses Explained
Explore an eccentric compression-latch example. Compare panel draw, gasket compression, clamping force and signed handle torque through the closing stroke.