Machine element or mechanism – Control lever and linkage systems – Elements
Patent
1992-06-22
1993-12-28
Braun, Leslie A.
Machine element or mechanism
Control lever and linkage systems
Elements
280276, 280279, B62K 2118
Patent
active
052729362
ABSTRACT:
A headset for rotatably attaching a fork stem to a head pipe of a frame of a bicycle or the like. The headset includes an inner tube fitted on an outer surface of the fork stem, an outer tube coaxially surrounding the inner tube and fitted in an inner surface of the head pipe, and a ball bearing mounted between the inner tube and outer tube for allowing relative rotation about an axis thereof and restricting relative axial movement between the inner tube and the outer tube. The inner tube, outer tube and ball bearing are assembled into an integral unit attachable to and detachable from the head pipe and fork stem.
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Braun Leslie A.
Massey Ryan W.
Shimano Inc.
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