Patent ID: 7650817
Filing Date: 2010-01-26
Classification: B62M,Y10T

Abstract:
1. A bicycle crank assembly comprising: a crank axle having a first axial end and a second axial end; a crank body having a crank axle mounting part with a crank axle receiving hole non-rotatably installed on the first axial end of the crank axle, an arm part extending from the crank axle mounting part, a pedal fitting part provided on a radial outer end of the arm part, and a first screw part formed on the crank axle mounting part; an adjustment member having a tube-shaped fixing part and a contact part formed as a unit, with the tube-shaped fixing part including a second screw part threadedly engaged with the first screw part to selectively position the contact part formed relative to the crank axle mounting part in an axial direction with respect to a center axis of the crank axle receiving hole, the contact part being fixedly formed on one end of the tube-shaped fixing part and extending radially inward with towards the center axis of the crank axle receiving hole from the tube-shaped fixing part, the contact part being disposed radially inward with respect to the first and second screw parts towards the center axis of the crank axle receiving hole; and a bearing disposed on the first axial end of the crank axle adjacent to the adjustment member with the adjustment member being axially disposed between the bearing and the crank axle mounting part with respect to the axial direction.