Crank for use in single cylinder internal combustion engine of bike, has crank parts that are connected using connecting pieces, which are interpersed at right angle to both parts, where one part is arranged at rotary axis

摘要

The crank has two crank parts (18, 20), where one crank part is arranged at a rotary axis with its end that is at a distance from a bending point. The crank parts are dimensioned such that one crank part is enclosed with an intended connection line between the rotary axis and a pivoted end of a crank angle. The crank parts are connected using connecting pieces (23) that are interpersed at right angle to both the parts.