Secured fixing screw mechanism e.g. for securing building components of traction device drive, secures screw of tension roller during transport or to prevent it from coming loose

摘要

The mechanism secures a screw (1d) of a tension roller (15) during transport or to prevent it from coming loose. The mechanism has a sleeve (6d) having an elastic material that is fixed onto the shank (2) of a screw (1d). When fitted, the sleeve is elastically deformed and is supported against a central bore (19) of the spacer element (17), ensuring that the entire assembly consisting of the tension roller (15), centering disc (18), spacer and screw is held together.