the fastening means being of screw-and-nut type (portable apparatus for fixing or removing screws or the like B25B); Apparatus therefor, adapted to additionally drilling holes

Full Title

Laying, rebuilding, or taking-up tracks; Tools or machines therefor (E01B27/00, E01B31/00 take precedence) > Fixing or removing detachable fastening means or accessories thereof; Pre-assembling track components by detachable fastening means (E01B29/02, E01B31/26 take precedence) > the fastening means being of screw-and-nut type (portable apparatus for fixing or removing screws or the like B25B); Apparatus therefor, adapted to additionally drilling holes

Child Classifications

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• E01B 29/29 for horizontally-arranged fastening elements, e.g. fish-bolts