Portable Lifting TRIZ Cases
- Unitary Hoist Single Crank Power Line Transfer
A unitary hoist uses a single crank arm to control multiple tension lines via independent ratchet mechanisms.
- Sliding Hoist Platform for Side-Loading Construction Loads
A sliding hoist platform with a winch and sheave mechanism transfers loads between building floors.
- Backlash-Free Spur Gear With Inclined Hub Stops
Inclined contact surfaces on hub stops allow spring ends to slide, distributing cantilever loads across the root area to prevent local overloading.
- Nylon 6T/11 Toothed Pulley Resin Composition for Dimensional Stability
A toothed pulley uses a nylon 6T and 11 copolymer matrix with flat glass fibers to resolve weight reduction versus dimensional stability trade-offs.
- Injection-Molded Drive Wheel Hub Design for Weight Reduction
Relocating axial bearing points radially inward eliminates intermediate rings, reducing weight while maintaining strength through integral injection molding.
- Gear Seizing Resistance via Nitrided Surface Microstructure
Nitrided gear surface layer with tempered martensite and retained austenite resists seizing in high slippage electric motor environments.
- Modular Crane Hook Block with Locking Bars for Stable Reeving
Locking bars and stabilizing feet secure sheave housings during reeving, preventing tipping and reducing manual handling effort.