Concealed Hinge Pivot Layout for High Overlap and Durability

The patent extracts and eliminates the complex S-shaped guide track from the hinge system. Instead of using a guide track with intricate curvature, the invention employs a simplified straight or gently curved guide track combined with an offset pivot axis placement, removing the source of tribological problems while preserving the high overlap capability through alternative geometric arrangement.

The patent resolves the overlap problem by shifting from a two-dimensional guide track curvature solution to a three-dimensional spatial arrangement. The offset pivot axis placement in the wall-side hinge housing creates a different geometric configuration that achieves high overlap through spatial positioning rather than through complex two-dimensional track curvature, thereby simplifying the guide track design.

The patent converts the potential harm of complex guide track geometry into a benefit by deliberately simplifying the guide track design. The offset pivot axis placement compensates for the simplified guide track, transforming what would be a limitation into an advantage that reduces wear and improves durability while maintaining high overlap capability.

The patent changes the geometric parameters of the hinge system by offsetting the pivot axis from the center of the wall-side hinge housing. This parameter change in pivot axis position allows the use of a simpler guide track with reduced curvature, thereby decreasing the tribological stress and wear on the guide track while preserving the high overlap function.