Patent ID: 9463824
Filing Date: 2016-10-11
CPC Classification: B60R,B62D,Y10T

Claim Text:
1. A steering wheel, comprising: a boss joined to a steering shaft; a rim arranged at an outer circumferential position of the boss; a first spoke connecting a first point of the boss and a first joining point of the rim, and having two bending portions in a longitudinal direction of the first spoke; and a second spoke connecting a second point of the boss different from the first point of the boss and a second joining point of the rim opposite to the first joining point of the rim to the boss, and having two bending portions in a longitudinal direction of the second spoke, wherein the first spoke has a circular first hole in a portion of the first spoke located at a middle in the longitudinal direction of the first spoke and at a center in a widthwise direction of the first spoke between the two bending portions of the first spoke, the second spoke has a circular second hole in a portion of the second spoke located at a middle in the longitudinal direction of the second spoke and at a center in a widthwise direction of the second spoke between the two bending portions of the second spoke, the first hole is a first through hole penetrating the first spoke in a direction perpendicular to the widthwise direction of the first spoke, the second hole is a second through hole penetrating the second spoke in a direction perpendicular to the widthwise direction of the second spoke, a first hole diameter of the first through hole in the longitudinal direction of the first spoke is within a range of 0.5 to 1.5 times a second hole diameter of the first through hole in the widthwise direction of the first spoke, and a third hole diameter of the second through hole in the longitudinal direction of the second spoke is within a range of 0.5 to 1.5 times a fourth hole diameter of the second through hole in the widthwise direction of the second spoke.