| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a stair handrail device which can reinforce a handrail bar using a reinforcing material and make the handrail bar smaller (small diameter) and moreover improve its fitting strength. SOLUTION: In a stair handrail device, a handrail bar 3 is supported by a bracket 2 provided protrudingly from a wall surface 1. A groove 3a which is opened downward or toward the wall surface along the longitudinal direction of the handrail bar 3 is recessedly provided in the lower part of the handrail bar 3. A reinforcing material 20 which is opened downward or toward the wall surface along the longitudinal direction of the groove 3a is accommodatedly arranged in the groove 3a. The reinforcing material 20 and the bracket 2 are then connected to support the handrail bar 3.</p> |
