초록 ▼

A boarding and/or access aid for vehicles with passenger carrying service contains a frame with two parallel side parts (4) connected by an end profile (5), contains a step plate (2) supported in the side parts (4) in such a manner that it can be retracted and extended, and contains drive means comp

A boarding and/or access aid for vehicles with passenger carrying service contains a frame with two parallel side parts (4) connected by an end profile (5), contains a step plate (2) supported in the side parts (4) in such a manner that it can be retracted and extended, and contains drive means comprising a drive motor (10) for the step plate (2). According to the invention the drive means contains two drive elements (19) designed as a chain or belt and associated one of the two side parts (4), which drive elements are arranged between guide tracks (9) and outer walls (4c) of the associated side parts (4), have a driving connection to the step plate (2) and are guided over a deflection roller (18) and a drive roller (17) connected to the drive motor (10).

대표청구항 ▼

The invention claimed is: 1. A boarding and access aid for vehicles with passenger carrying service, containing a frame (3) with two parallel side parts (4) connected by an end profile (5), which side parts are formed by a bottom part (4a), a cover part (4b) and an outer wall (4c) connecting the bot

The invention claimed is: 1. A boarding and access aid for vehicles with passenger carrying service, containing a frame (3) with two parallel side parts (4) connected by an end profile (5), which side parts are formed by a bottom part (4a), a cover part (4b) and an outer wall (4c) connecting the both of them, containing a step plate (2) supported in the side parts (4) in such a manner that it can be retracted and extended, and drive means for the step plate (2), which means comprises a drive motor (10), which drive motor (10) is arranged in a rear area of the frame (3) and in which the bottom parts and cover parts (4a, 4b) comprise guide tracks (9) for the step plate (2), characterized in that the drive means contains two drive elements (19) designed as a chain or belt and each associated with one of the two side parts (4), and that these drive elements (19) are arranged between the guide tracks (9) and the outer walls (4c) of the associated side parts (4), have a driving connection to the step plate (2) and are guided over a deflection roller (18) and a drive roller (17) connected to the drive motor (10), and inner sides of the side part (4) located opposite the outer wall (4c) are sealed with seals (24, 25), wherein the seals are labyrinth seals, and wherein one of the seals (24) is arranged on an inner side of the bottom parts and cover parts (4a), whereas the other of said seals (25) is fastened to a side plate (7a) of the step plate (2).