| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method of manufacturing a passenger conveyor treading board capable of reducing the number of production steps and joining the portions of the treading board without requiring auxiliary materials. Ž<P>SOLUTION: The passenger conveyor treading board includes a cleat body 31 arranged horizontally, a riser body 32 to which the rear end and upper end of the cleat body are connected, which has a projecting curved part 32a, and which extends downward, a bracket body 33 which has a generally triangular cross sectional shape, are arranged symmetrical bilaterally, and supports the cleat body and the riser body at both ends in the lateral direction, cleat reinforcement bodies 36, 37 interposed between the cleat body and the bracket body, and riser reinforcement bodies 38, 39 interposed between the riser body and the bracket body. In the method of manufacturing the passenger conveyor treading board, at least one of the joining of the cleat reinforcement body to the bracket body and the joining of the riser reinforcement body to the bracket body is performed by caulking. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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