A hinge is a type of bearing that connects two solid objects, typically allowing only a limited angle of rotation between them. Two objects connected by an ideal hinge rotate relative to each other about a fixed axis of rotation. Hinges may be made of flexible material or of moving components.
Ideal for schools, hospitals, and other high-use environments. One piece seamless steel spring tube. Double heat treated steel, tempered springs. Adjustable latching and sweep speed valves. Full rack and pinion operation. Precision machined, heat treated steel piston.