| 摘要 |
PROBLEM TO BE SOLVED: To carry out simple accurate fixing onto the upper frame of an opening section by separably forming a large number of mounting holes proper to the mounting inclination of an inclined rail to the mounting piece of the inclined rail, in which length and the mounting inclination are calculated in response to the opening width of the opening section, in the horizontal direction. SOLUTION: An inclined rail 1 fixed onto the upper frame 2, etc., of an opening section A while being tilted in the closing direction hangs down the sliding door 4 in a manner that the sliding door 4 can be closed automatically by a wheel 3 engaged with the inclined rail 1. A rack 5 installed near the closing-side end section of the inclined rail 1 is engaged with a pinion 7 for a speed adjusting mechanism 6 utilizing the viscous resistance force, etc., of a fluid fitted near the closing-side end section of the sliding door 4, and the closing speed of the automatically closed sliding door 4 is adjusted. A large number of mounting holes 8 separably formed to the mounting piece 9 of the inclined rail 1 are formed directly in the horizontal direction proper to the mounting inclination of the inclined rail 1 at that time after an inclination corresponding to the opening width of the opening section A of the inclined rail 1 having length corresponding to the opening width of the opening section A is calculated.
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