FIELD: mechanical engineering; heavily-loaded structures with limited angle of turn. SUBSTANCE: support consists of knife-edge support with flat working surface and knife-edge support with curvilinear working surface mounted for rolling over flat surface. Lateral faces of knife-edge support hold limiting rollers; knife-edge support has recesses for receiving rollers at angular turn of one knife-edge support relative to other knife-edge support. EFFECT: possibility to change rate of motion of instant center of rotation of support. 1 dwg
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