| US 7,540,511 B2 | ||
| Support structure of motor-driven steering assist apparatus | ||
| Mitsuo Saito, Tochigi (Japan); Koichi Hata, Tochigi (Japan); and Hideo Yanai, Saitama (Japan) | ||
| Assigned to Showa Corporation, Saitama (Japan); and Honda Motor Co., Ltd., Tokyo (Japan) | ||
| Filed on Sep. 14, 2007, as Appl. No. 11/900,960. | ||
| Prior Publication US 2008/0011538 A1, Jan. 17, 2008 | ||
| Int. Cl. B62D 7/22 (2006.01) | ||
| U.S. Cl. 280—89 [280/272] | 7 Claims |
| 1. A support structure of a motor-driven steering assist apparatus interposed between an upper steering shaft in a steering
wheel side and a lower steering shaft in a tire wheel side,
wherein the motor-driven steering assist apparatus is provided with an input shaft and an output shaft, a torsion bar is provided
between the input shaft and the output shaft, a torque sensor is provided which detects steering torque on a basis of displacement
in a rotating direction of the input shaft and the output shaft, an upper steering shaft is provided with the input shaft
via a connecting device, and a lower steering shaft is provided with the output shaft via an another connecting device,
a steering angle regulating structure for limiting a maximum steering angle of the upper steering shaft is provided between
the upper steering shaft and the vehicle body side, and
a steering angle regulating structure for limiting a maximum steering angle of the lower steering shaft is provided between
the lower steering shaft and the vehicle body side.
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