Stair climbing aid consists of brake block with handle guided along inside of polygonal rail and fitted with braking plates, e.g. of rubber, on both sides of both ends

摘要

The stair climbing aid consists of a brake block (1) with a handle (2) that is guided along the inside of a polygonal rail (5). The brake block has an oval shape and is fitted with braking plates (3), which can be made of rubber for example, on both sides of both ends.