Mazda Motor Corporation

Mitsuo Iwano

Hidenori Matsuoka

Shigeaki Watanabe

Akiyoshi Masuda

Hiroyuki Okamoto

Hideyuki Tsukamoto

Shin Murata

Kenji Hamada

Hisashi Kajikawa

Eiichi Tanaka

Junki Kitano

Yasutomo Abe

A suspension device for vehicles (a front suspension ()) is disclosed in which, of connecting portions () of a lower arm () and a tie rod () for connection to a knuckle (), one of the connecting portions () which is close to the rear of the vehicle is offset inward in the vehicle width direction with respect to the other connecting portion () which is close to the front of the vehicle, in the steering neutral state. The center (P) of a lower end portion of a coil spring () is offset outward in the vehicle width direction and rearward in the vehicle's longitudinal direction with respect to the center (P) of an upper end portion of the coil spring ().

Suspension device for vehicles

Provided is a method for manufacturing a knuckle that includes a bearing mounting portion on which a hub bearing is mounted, a damper holding portion which holds a damper, and a damper mounting arm portion which couples the bearing mounting portion and the damper holding portion, the method being such that by using one core, the knuckle is integrally casted so as to formed therein a cylindrical opening which is the inner space of the damper holding portion, a hollow opening in which the inner space in a hollow portion of the damper mounting arm portion, the hollow portion extending in a closed cross section from the damper holding portion, is continuous with an opening formed in the damper holding portion, and an arm-portion opening which is surrounded by a front arm portion and a rear arm portion of the damper mounting arm portion, extending from the hollow portion.

Method for manufacturing automobile knuckle and automobile knuckle

A rear vehicle-body structure of a vehicle comprises a wheel house provided at a side face portion of a vehicle-body rear portion, a side frame extending in a vehicle longitudinal direction on an inward side, in a vehicle width direction, of the wheel house, a suspension comprising a damper provided to extend in a vehicle vertical direction for damping a vertical load inputted from a wheel thereto and a bump stopper provided on a shaft center of the damper, and a suspension housing including a support face portion for supporting the damper and provided to connect the side frame and the wheel house, wherein the suspension housing comprises a peripheral wall portion which is provided to extend downward from the support face portion and enclose the bump stopper at least partially.

Rear vehicle-body structure of vehicle

Growing community of inventors

Higashihiroshima, Japan

Mitsuo Iwano