E05F1/1223

Systems and devices for motion control
12486705 · 2025-12-02 · ·

Systems and devices to control rotational and/or arcuate motion are provided herein. In some examples, a hinge system is configured to replace a conventional door hinge and to control motion of the door. In some examples, a hinge system is configured to replace a conventional door hinge and to control motion of the door by employing a shear thickening fluid. In some examples, a door closure system is configured to replace a conventional door hinge and to control motion of the door by employing two opposing springs.

Self-closing adjustable tension spring hinge
12624584 · 2026-05-12 · ·

A self-closing adjustable tension spring hinge to close a gate or door without manual assistance from a person including a spring hinge disposed within a hinge housing and mounted between a bracket and mounting bracket by an upper bearing assembly and upper spring coupler, and a lower bearing assembly and lower spring coupler respectively.