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(11) | EP 1 130 191 A3 |
(12) | EUROPEAN PATENT APPLICATION |
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(54) | Rail construction as well as a fundament-rail bar combination for use in the rail construction |
(57) A rail structure, in particular for a crane trolley of a siding maintenance installation
consists of bases 57 and rails 61. The bases 57 are parallel to the rails 61 and each
base forms, together with a rail, a single unit 53. This base/rail combination 53
is easy to place on the roof of a building. The base/rail combination 53 is provided with couplers 77 for coupling with another base/rail combination and further couplers 81 for coupling with a coupling element. The couplers 77 consist of a protrusion 85 that cooperates with a recess in another base/rail combination and the further couplers 81 consist of a further protrusion 97 that cooperates with couplers of the coupling element. |