Shock absorber
AssigneeKyoraku Co., Ltd.
InventorsTakafumi Funato, Teruo Tamada, Yosuke Muroya
Life of this patent
Estimating the term…
Abstract
A shock absorber formed such that at least part of an end wall of a groove rib is a fragile portion, or a shock absorber that makes a fracture behavior according to a design intent. The shock absorber has a hollow molded-body having a hollow. The hollow molded-body includes front and rear walls that are spaced from and opposed to each other and a side wall that connects the front and rear walls. The side wall is provided with a front groove rib formed by recessing the front wall and a rear groove rib formed by recessing the rear wall. A side groove wall is formed by welding together at least parts of end walls of the front groove rib and the rear groove rib.
Claims6
A shock absorber comprising:
- a hollow molded-body having a hollow, wherein
- the hollow molded-body comprises front and rear walls that are spaced from and opposed to each other and a side wall that connects the front and rear walls,
- the side wall is provided with a front groove rib formed by recessing the front wall and a rear groove rib formed by recessing the rear wall,
- a side groove wall is formed by welding together at least parts of end walls of the front groove rib and the rear groove rib, and
- the shock absorber has a configuration where;
- the front groove rib comprises first and second front groove ribs;
- the rear groove rib comprises first and second rear groove ribs;
- a first side groove wall is formed by welding together at least parts of end walls of the first front and rear groove ribs and a second side groove wall is formed by welding together at least parts of end walls of the second front and rear groove ribs;
- and a thickness of the thinnest portion of the second side groove wall is smaller than a thickness of the thinnest portion of the first side groove wall.
Dependencies are inferred from the claim text.