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    • 7. 发明授权
    • Bicycle head tube spacer
    • 自行车头管隔垫
    • US09415826B2
    • 2016-08-16
    • US14680580
    • 2015-04-07
    • INDUSTRIES RAD INC.
    • D'Arcy O'Connor
    • B62K21/02B62K21/20
    • B62K21/20Y10T29/49716
    • A spacer for positioning between a head tube of a bicycle frame and a front wheel fork of the bicycle. The spacer includes an annular body defines a center axis and extends axially between annular upper and lower spacer surfaces. A bore extends axially through the body concentrically with the center axis between a first opening in the annular upper spacer surface and a second opening in the annular lower spacer surface. The annular upper spacer surface includes a radially outer planar rim and an engagement flange disposed radially inwardly from the planar rim, the engagement flange projecting axially upwardly from the planar rim and circumscribing the opening. The planar rim and the engagement flange abut complementary surfaces on a lower mating surface of the head tube and form a seal with the head tube upon being engaged therewith.
    • 用于定位在自行车车架的头管和自行车的前轮叉之间的间隔件。 间隔件包括环形体,其限定中心轴线并且在环形上部和下部间隔件表面之间轴向延伸。 孔在轴向通过主体同心地延伸,其中心轴线位于环形上间隔件表面中的第一开口和环形下间隔件表面中的第二开口之间。 环形上间隔件表面包括径向外平面边缘和从平面边缘径向向内设置的接合凸缘,接合凸缘从平面边缘轴向向上突出并限制开口。 平面边缘和接合凸缘邻接头管的下配合表面上的互补表面,并在与头管接合时形成与头管的密封。