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    • 21. 发明专利
    • SLEEPER
    • JP2002004202A
    • 2002-01-09
    • JP2000187037
    • 2000-06-22
    • KUBOTA KK
    • SHIMIZU YUTAKAOGINO YOSHIMICHI
    • E01B3/24
    • PROBLEM TO BE SOLVED: To provide a metallic sleeper, which can obtain excellent insulation between rails and in which adjustment of a rail-gage is also facilitated. SOLUTION: The sleeper is composed of a pair of metallic rail support members 11, 12 corresponding to the left and right rails respectively, and a connecting member 25, connecting the rail support members 11 and 12, under the condition that the members 11 and 12 are electrically isolated, and screw members 26, 27 located at the ends of the connecting member 25. The screw members 26, 27 of the connecting member 25 are screwed to the rail supporting members 11, 12 through an insulating bushing 28. The screw members 26, 27 of the connecting member 25 are formed to be insertable to the rail supporting member 11, 12, so that the screw members can be inlaid after the rail supporting members 11, 12 are constructed on a ballast bed 36.