Simultaneous connection between handlebar and steering fork of bicycles
Journal for a head tube of a bicycle
Upper steering assembly
Steering bearing assembly for a bicycle
Apparatus for rotatably fitting a fork stem in a head tube of a bicycle
Bicycle steering fork bearing system Patent #: 5332245
ApplicationNo. 360027 filed on 12/20/1994
US Classes:403/370, Threaded actuator74/551.1, Handle bars280/279, Front forks and heads403/373Clamped members
ExaminersPrimary: Dorner, Kenneth J.
Assistant: Kim, Harry C.
Attorney, Agent or Firm
Foreign Patent References
International ClassB62K 021/18
AbstractA bicycle front fork mounting structure including a locating socket mounted around the top coupling tube of the front fork and supported on a ball bearing above the head tube of the bicycle frame, the locating socket having an outer thread and a tapered center through hole, a split holding-down ring fitted into the tapered center through hole of the locating socket, and a lock nut threaded onto the outer thread of the locating socket to compress the holding-down ring by forcing an inside annular flange thereof into an outside annular groove on the holding-down ring, causing the holding-down ring and the locating socket to securely fix the front fork to the head tube.
Field of SearchCOUPLING SUPPORTED BY INDEPENDENT BEARING
Radially interposed shim or bushing
Wedging or camming
Engaged by axial movement
Plural, circumferentially related shims between members
Split or slotted bushing
HAVING A CAM, WEDGE, OR TAPERED PORTION
Front forks and heads