Loading/Unloading TRIZ Cases
- Retractable Van Loading Ramp With Internal Guide-Rail Storage
Guide rails and wheels let a van loading ramp retract fully inside the cargo area, easing machinery loading while keeping rear doors usable.
- Orbiting Ramp Assembly for Fast Low-Friction Truck Unloading
Low-friction bearing wheels and sliding surfaces let a truck ramp orbit for faster setup, easier stowage, and lower wear.
- Foldable Wheelchair Ramp Lifting Arm for Low-Force Initial Uplift
A spring-biased swivel lifting arm helps raise a foldable wheelchair ramp from its flat stored position without motors or high manual force.