METHOD OF FABRICATION OF ARTICULATING JOINTS, PARTICULARLY FOR SEATS WITH ADJUSTABLE BACKREST

摘要

A hinge has two hinge parts pivotally connected with one another and an adjusting and fixing device including interengaging external and internal gears, wherein each gear has an annular groove formed by deformation in the region of its teeth root circle so that during formation of the annular groove the material is displaced toward the teeth tips of the respective gear.