Patent ID: 7621601
Filing Date: 2009-11-24
Classification: B60B

Abstract:
1. A bicycle hub, comprising: a central tube having an axial receiving groove for installing an axial shaft of a wheel; a first peripheral disk formed at one end of the central tube; a second peripheral disk formed at another end of the central tube; the second peripheral disk being formed with a plurality of radial insertion holes for receiving spokes; a peripheral of the first peripheral disk being formed with a plurality of ribs; each rib having a penetrating axial installing hole which penetrates through the rib and axially arranged along the axial direction of the central tube; the installing hole having a larger opening at an inner side facing the second peripheral disk and having a smaller opening at an outer side opposite to the inner side; the opening at the inner side being greater than an enlarged head of a respective spoke; the opening of the installing hole at the outer side being smaller than the enlarged head of the respective spoke; and each rib of the first peripheral disk having a positioning groove; two ends of the positioning groove being opened at two lateral sides of the rib so as to form two openings; the positioning groove being approximately transversal to an axial direction of the installing hole and a lower side of the installing hole is opened to the positioning groove.