Simple drive assembly for bicycles with a plain axle containing

Details Simple drive assembly for bicycles with a plain axle containing Simple drive assembly for bicycles with a plain axle containing

1995-08-24

1999-12-21

Hurley, Kevin

Land vehicles

Wheeled

Occupant propelled type

745941, 384545, F16C 902

Patent

active

060038896

ABSTRACT:
A bottom bracket bearing assembly for bicycles comprising a plain axle 1 into which the inner rings of bearings 4, 4' employing steel rollers 3 or balls 3' may be pressed, the outer tracks of the bearings being provided within bracket cups 2, 2', whose outer diameters are adapted to be secured into the ends of the bracket shell 5. The bearings are held between pedal crank 8 and chain wheel 9 with a washer or a spring washer 6, expanding distance pieces 12, 13, or any suitable combination thereof. Pedal crank 8 or chain wheel crank 9 may be built into the axle.

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