公开(公告)号：US20110258946A1

公开(公告)日：2011-10-27

申请号：US13131308

申请日：2009-11-27

申请人： Fausto Scherma

发明人： Fausto Scherma

IPC分类号： E04F11/032

CPC分类号： E04F11/032

摘要： A spiral staircase comprises a central supporting element and a plurality of steps which are connected to the supporting element at a first end, there being two types of steps positioned in an alternating fashion, of which a first type of step is substantially “L”-shaped and a second type of step is substantially arrow-shaped.

摘要翻译： 螺旋楼梯包括中心支撑元件和在第一端连接到支撑元件的多个台阶，存在以交替方式定位的两种类型的台阶，其中第一类型的台阶基本上为“L” - 并且第二类型的台阶基本上是箭形的。