WAVE GEAR-AND-BELT DRIVE Russian patent published in 1999 - IPC

FIELD: wave drives with flexible coupling. SUBSTANCE: mounted in housing are wave generator with shroud embracing it, driven pulley and toothed quadrant which is secured in housing. Quadrant, pulley and shroud are provided with convex-concave teeth having longitudinal slots in their center. belt in form of endless tape convex-concave profiles on outer and inner equidistant working surfaces is thrown into engagement with quadrant, shroud and pulley. Longitudinal recesses made in center projections of belt profile are used for engagement with longitudinal slots on teeth of quadrant, shroud and pulley. Ends of tape are connected by lap joints over their projections. Longitudinal recess at one end of tape is wider and deeper as compared with longitudinal recess at other end by thickness of tape. EFFECT: increased gear ration and loading capacity of drive. 3 cl, 3 dwg