Patent ID: 7458610

Claim:
A roller D-ring for a seat belt of a vehicle comprising: a cylindrical roller; and a body having a folded structure to hold the roller by a folding portion of the body while allowing the roller to be rotatable, the folded structure being formed in a state in which the roller is seated on the folding portion of the body, the body defining, together with a peripheral surface of the roller, a gap, through which a webbing of the seat belt passes, wherein the body comprises a pair of closing sections that come into close contact with each other when the folded structure is completely formed, and a single opening provided between the pair of closing sections, to which the peripheral surface of the roller is exposed, the single opening being substantially symmetrical with respect to both an axis of the roller and a central line crossing the closing sections, such that when the body is folded so that the closing sections contact each other, a pair of spaced apart holding sections each formed at opposite sides of the single opening are entirely spaced apart by the single holding opening; the roller including a roller body and a plurality of rolling sections provided on opposite ends of the roller body; a diameter of at least one of the rolling sections is smaller than a diameter of the roller body; and the rolling sections are formed unitarily and in one-piece at the opposite ends of the roller body.