Stick with roll tip e.g. for blindman's stick, has in direction of ground straight area and which roller is arranged to vertical axis and to horizontal axis

摘要

The stick (1) has in the direction of the ground and a straight area and which a roller (12) is arranged to the vertical axis (8) and to the horizontal axis (9). The roller runs continually on the vertical axis (8). Two rollers are provided which are arranged at a distance from each other on the horizontal axis (9).