Patent ID: 8070633
Filing Date: 2011-12-06
Classification: B62K,B62M,F16H

Abstract:
1. A bottom bracket assembly in a bottom bracket portion of a bicycle frame requiring one bottom bracket assembly for the bicycle frame, said bottom bracket assembly comprising: (a) a body member having a longitudinal axis for mounting within the bicycle frame and for receiving a pedal shaft, said body member having: (b) at least a first wing member and a second wing member that are separate structures from said body member, said first wing member and said second wing member having an axis parallel to the first cylindrical external surface of the body member, said first and second wing members each having: whereby, when said wedge driver is rotated, said at least two wedge members are laterally displaced co-acting with said first and second wing members to circumferentially expand away from said body member such that the cylindrical external surfaces of said assembly are engageable with the inner surface of the shell of the bicycle frame.