| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To minimize bending deformation of a shaft and a crank arm of a bottom bracket assembly of a bicycle. <P>SOLUTION: The crank arm assembly (10) for the bottom bracket assembly of the bicycle (100) comprises a shaft (20) extending along a longitudinal axial center (X-X), at least one of crank arms (30, 40) connected to at least one of opening ends (20a, 20b) of the shaft (20), a first front face connecting means (60) formed on the shaft (20), and a second front face connecting means (50) formed on at least one of the crank arms (30, 40). The first and second front face connecting means (60, 50) are connected to each other. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
