Described are headrests with a structural support surface and a torque hinge. The torque hinge includes a rotatable portion, a ball joint, and a plate assembly. The ball joint has a ball portion connected to a shaft. The ball portion is positioned within the rotatable portion, and the plate assembly is fitted over the shaft. The shaft is coupled to the structural support surface, and the plate assembly limits a rotational arc of the rotatable portion relative to the shaft.
Adjustable torque hinge assembly for headrests
2021-06-29
Patent
Electronic Resource
English
IPC: | F16M Rahmen, Gehäuse oder Grundplatten von Kraftmaschinen oder anderen Maschinen oder von Apparaten, nicht auf eine besondere Art von Maschine oder Apparat eingeschränkt, die anderweitig vorgesehen ist , FRAMES, CASINGS, OR BEDS, OF ENGINES OR OTHER MACHINES OR APPARATUS, NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUS PROVIDED FOR ELSEWHERE / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT |