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Step support or plate support for tread units of respectively an escalator or moving walkway, of particular dimensions for enhanced stress distribution under load
Step support or plate support for tread units of respectively an escalator or moving walkway, of particular dimensions for enhanced stress distribution under load
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机译:用于分别为自动扶梯或自动人行道的胎面单元的阶梯支撑或板支撑,其特定尺寸可增强负载下的应力分布
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摘要
The step support (17) or plate support comprises a rear crossmember (22) and a front crossmember (24) which together form a plane (E3) for receiving the tread element (9). There are two outer step cheeks (20.1, 20.2), wherein one of the step cheeks (20.1) is arranged on the right and one of the step cheeks (20.2) is arranged on the left, substantially perpendicular with respect to the crossmembers (22, 24). The two crossmembers (22, 24) are manufactured from deep-drawing sheet metal and are welded or joined or riveted or screwed or adhesively bonded or clinched to the step cheeks (20.1, 20.2) or plate cheeks to form a load-bearing frame. The height (H2) of the crossmembers (22, 24) at its ends is smaller than the height (H3) of the crossmembers (22, 24) in the centre, with the result that the crossmembers (22, 24) have a curved shape.
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