Mechanisms — lifting tongs

Recent Blogs

Lifting Tongs diagram
Lifting Tongs Mechanism: How Scissor Plate Clamps Grip Loads, Diagram, Formula and Calculator
Lifting Tongs grip and hoist loads using their own weight to clamp. Learn the geometry, friction math, and real rigging applications in steel and precast...
Releasing Grip diagram
Releasing Grip Mechanism Explained: How It Works, Parts, Trigger Formula, and Construction Uses
Releasing grip mechanisms let construction crews drop loads on demand — how the trigger, jaw, and safety latch work in cranes, pile drivers, and lifting...
Lever Grip Tongs diagram
Lever Grip Tongs Mechanism Explained: How Self-Locking Lifting Tongs Work, Parts and Uses
Lever grip tongs use compound leverage to lift loads up to 2,000 lbs in construction and forestry. See how the geometry, jaws, and pivot ratios...
Adjustable Grip Tongs diagram
Adjustable Grip Tongs Mechanism Explained: How Scissor Lifting Clamps Work, Parts, Diagram
Adjustable Grip Tongs explained — how the sliding pivot, jaw geometry, and clamping force work in construction lifting, masonry, and steel handling rigs.