ARCHED RAIL Russian patent published in 2003 - IPC

FIELD: railway transport. SUBSTANCE: invention relates to crane tracks designed for high speed and intensive operation. Proposed arched rail has head and foot. Arch of rail is made parabolic in section, section of rail head being formed by two parabolic triangles comprising integral unit with arch lock. Two feet rail arranged symmetrically relative to vertical axis outside the arch, being pivots of arch. Section of rail relative to main horizontal axis X is balanced. EFFECT: improved reliability, reduced materials usage, simplified rolling of rail. 3 tbl, 2 dwg