Roller seating device

A method for providing a roller mounting device having a hollow-cylindrical element, the method comprising the steps of:

• mounting a cylindrical roller transversely to a central axis of the hollow-cylindrical element, the cylindrical roller including a pair of front faces on opposite ends of the roller, a cylindrically-shaped rounded rolling surface between the pair of front faces, and a rotational axis extending through each of the front faces at a geometric center of that front face, and
• providing a single-member, wire-shaped securing element, which is implemented and situated in such a way that it is coupled in a formfitting way to the hollow-cylindrical element and disposed at least partially within an inner chamber of the hollow-cylindrical element in relation to axial and rotational directions on the central axis of the hollow-cylindrical element,
• the single-member, wire-shaped securing element including (a) a pair of front face contacting portions configured to physically contact each front face of the cylindrical roller at the geometric center through which the rotational axis extends to fix the roller along the rotational axial of the roller, and (b) rolling surface contacting portions configured to contact the cylindrically-shaped rounded rolling surface of the cylindrical roller at one or more locations forward of the rotational axis of the roller in a direction along the central axis of the hollow-cylindrical element to restrain the roller along the central axis of the hollow-cylindrical element.

A roller mounting device comprising:

• a hollow-cylindrical element, in which a roller is mounted transversely to a central axis of the hollow-cylindrical element, the roller including a pair of front faces on opposite ends of the roller, a cylindrically-shaped rounded rolling surface between the pair of front faces, and a rotational axis extending through each of the front faces at a geometric center of that front face, and
• a single-member, wire-shaped securing element physically coupled to each front face of the cylindrical roller at the geometric center through which the rotational axis extends, and coupled in a formfitting way to the hollow-cylindrical element and disposed at least partially within an inner chamber of the hollow-cylindrical element in relation to axial and rotational directions on the central axis of the hollow-cylindrical element such that the single-member, wire-shaped securing element fixes the cylindrical roller on its front faces axially along the rotational axis of the roller, and wherein the single-member, wire-shaped securing element contacts the cylindrically-shaped rounded rolling surface of the cylindrical roller at one or more locations forward of the rotational axis of the roller in a direction along the central axis of the hollow-cylindrical element to secure the cylindrical roller from leaving the hollow-cylindrical element in the direction of the central axis of the hollow-cylindrical element.