Hollow sleeper with four rail or slide chairs and core dimension of 650 mm has hole pattern for rail or slide chairs so drilled that in combination with clearance of bolt connection

摘要

The hollow sleeper with four rail or slide chairs and a core dimension of 650mm has a hole pattern for rail or slide chairs so drilled that in combination with the clearance of the bolt connection the sleeper is suitable for both simple left and simple right points. The drilling of the holes is effected symmetrically, and for a symmetrical input angle of 1:200.