The car is placed on the pallet, and the pallet rises. When the pallet rises, the guide rollers close to prevent it from falling, and when it descends, the guide rollers open.
This allows the pallet to be lowered. Power Cylinder is used to open and close these guide rollers.
Using Power Cylinder eliminates the need for complicated piping work and makes maintenance easier.

In a two-tiered multi-story parking system, cars are placed on pallets, and when they are raised, hooks are attached to safety pins to prevent them from falling.
When the hook is attached, it will naturally latch on due to its own weight. When lowering, Power Cylinder releases the hook and unlocks it.