Mechanisms — belt shifter

Recent Blogs

Belt Engage/disengage/reverse for Upright Shaft diagram
Belt Engage/disengage/reverse for Upright Shaft Mechanism: How It Works, Diagram & Parts
Explore a single-belt reversing drive with concentric shafts, a loose centre pulley and opposed bevel gears. Compare pulley spacing, fork opening and force units.
Shifting Device for Cone Pulleys diagram
Shifting Device for Cone Pulleys: How It Works, Parts, Diagram, and Speed Ratio Calculator
How a shifting device for cone pulleys works on lathes, drill presses, and line-shaft machinery — belt fork geometry, ratio steps, and worked sizing example.
Belt-shifter Reversing diagram
Belt-shifter Reversing Mechanism Explained: How It Works, Diagram, Parts, and Uses
See how open and crossed belts select opposite rotation through a fixed centre pulley and loose outer pulleys. Compare belt width and shaft-spacing references.