| 摘要 |
PURPOSE: An automatic handrail is provided to prevent to be damaged in rain by automatically making the handrail upright. CONSTITUTION: An automatic handrail comprises a supporting plate(100), a spring, a pivot axis, a housing frame(200), a handrail post(300), multiple railing rails(400), a first buoyancy member(500), and a second buoyancy member(600). The supporting plate supports the floor side and housing frame using an anchor(40). The spring makes the handrail post to upright. The pivot axis supports the housing frame and the handrail post. The housing frame comprises a first rotating shaft hole, a guide hole, a cover, and a stopper groove part. The guide hole guides the spring. The cover covers the upper end of the angular type. The stopper groove part settles the first buoyancy member on the cover. The railing rail is installed between the handrail posts. The second buoyancy member increases buoyancy of the first buoyancy member.
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