A bottom bracket assembly with interconnected axle and crank arms. Each end of the axle has a plurality of angled surfaces and a recess formed with a depth through at least the axle perimeter and at least partially around the perimeter of the axle. Each crank arm has a slot formed a distance along the length such that the end of the crank arm is separated into two deflectable jaws. A bore is formed orthogonal to the slot and a fastener is installed in the bore, wherein the fastener has a length to span the slot in the crank arm to engage both deflectable jaws. The fastener has a shank radius that extends to a depth of the recess. Removal of the crank arm from the axle end is opposed when the fastener is in the bore.
MECHANICALLY INTERLOCKED SPLINE FOR CRANK AND BOTTOM BRACKET INTERFACE OF A MICROMOBILITY VEHICLE
25.04.2024
Patent
Elektronische Ressource
Englisch
MECHANICALLY INTERLOCKED SPLINE FOR CRANK AND BOTTOM BRACKET INTERFACE OF A MICROMOBILITY VEHICLE
Europäisches Patentamt | 2024
|MECHANICALLY INTERLOCKED SPLINE FOR CRANK AND BOTTOM BRACKET INTERFACE OF A MICROMOBILITY VEHICLE
Europäisches Patentamt | 2024
|