Patent ID: 9221474
Filing Date: 2015-12-29
Classification: B61D

Abstract:
1. A retractable step arrangement for a rail vehicle with a first housing that is mountable on a coach body of the rail vehicle and features a first housing opening, with a step that is movably supported in the first housing in an initial position and is displaceable through the first housing opening between the initial position and a final position, in which the step at least sectionally protrudes from the first housing, and with a drive unit for the step that features a motor and at least one movable connecting means that transmits a motion generated by the motor to the step, wherein the drive unit comprises at least the motor with gear components, wherein a separate second housing is provided, in which the drive unit is arranged, wherein the interior of the first housing is spatially separated from the interior of the second housing, wherein the at least one connecting means consists of a driving rod that connects the drive unit to the step, and wherein the at least one connecting means extends through respective connection openings provided in the first housing and the second housing in a hermetically sealed fashion.