When the Hinge Recess Makes the Blades Touch

When the Hinge Recess Makes the Blades Touch Related diagnostic: Same Hinge Size, Different Geometry: Why Manufacturer Changes Can Matter explores the connected fault pattern and helps compare the evidence before choosing a repair. Hinge-side resistance can come from the hinge itself. An uneven, angled or over-cut recess can alter blade alignment and create interference as the hinge closes. What the pattern is telling you Operate the leaf slowly and watch the blades and knuckle. Inspect recess depth, flatness, timber removal and witness marks. Separate hinge-end contact from face-to-frame contact before choosing the next diagnostic path. For hinge faults I would preserve the hinge reference before changing hardware. Record position, make and model, recess, fixing condition and wear/play. The hinge line is a constraint system: a local change can appear remotely at the head, latch, seal or closer, while movement…