Cranes TRIZ Cases
- Self-Reeling Belt Drive With Variable-Speed Tension Control
A variable-speed spool, idler shaft, and one-way bearings keep belt tension stable during payout and winding while preventing slack from spool momentum.
- Pinned Telescoping Boom Locking Head for Faster Section Extension
A cable-and-sheave locking head moves boom sections faster while avoiding trombone-tube weight and cylinder positioning issues.
- Telescoping Crane Boom Locking Head Drive for Faster Extension
A cable-and-sheave locking head drive speeds telescoping boom extension and retraction while keeping drive weight in the base section.