Roller for railed devices has each side next to rotary body track face a roller ring of more elastic material and with smaller diameter producing greater friction value

摘要

The rotationally symmetrical rotary body rolls on the associated track through a cylindrical track face (4) and each side next to this is a roller ring (7) connected to the rotary body and consisting of a more elastic material than same. The inner diameter is smaller than the diameter of the track face. The two rings each have a cylindrical track face (5) rolling on the track (1) and the difference in diameter between the two track faces (4, 5) is selected so that from a predetermined stand-up force as a result of the greater elasticity of the track rings (7) all the stand-up faces of the roller lie in a common plane. Each track ring has a greater friction value than the rotary body (3).