To provide a rear axle housing capable of reducing the weight in a large scale while securing enhanced deformation strength of each pair of boss parts in a seat part.
This rear axle housing 3 is provided with a seat part 4 forming a receiving seat of a leaf spring on both end upper surfaces along the longitudinal direction, and can fasten a central part of the leaf spring with respect to the seat part 4 by a pair of U bolts in the front and behind. The pair of boss parts 14 for fastening the U bolt are respectively provided in the front and the behind of the seat part 4, and a wall part between the respective pairs of the boss parts 14 are formed to be inclined so that an upper part of the wall part protrudes outward in the vehicle longitudinal direction and the wall part gradually retreats inward in the vehicle longitudinal direction as going to the lower part. The portion formed to be inclined is constituted so as to function as a bag shaped rib 17.
| WO/1987/001078 | VEHICLE SUSPENSION |
| JPH10297233 | STRUCTURE OF TRAILING ARM TYPE SUSPENSION |
| JP6749850 | Support beam |
OKI YASUYUKI
TSUZUKI FUMIKAZU
Seiichi Otsuka