| 摘要 |
1. Adjustable spiral staircase, of the type comprising a central pillar or newell (1) and a plurality of length-adjustable steps (8) of said staircase, which is provided with a handrail, characterized in that said handrail has an adjustable configuration and is constituted by handrail elements or modules (12) assembled to one another by means of at least one joint (17), each handrail element or module (12) being connected to and supported by a single step bracket (2). |
