|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||720/55 ; 720/58 ; 720/61|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 24 인용 특허 : 87|
A hydroformed control arm for a vehicle and a method of making the same is provided. The control arm includes a generally U-shaped member being hydroformed from a continuous, unitary tube. The generally U-shaped member includes varying cross-sectional areas along its length for improved structural integrity. The generally U-shaped member further includes a pair of pivot bores for enabling the control arm to pivot about a pivot axis. The U-shaped member still further including a ball joint cavity disposed near its apex for receiving a ball joint. The hydr...
[ What is claimed is:] [1.] A method of hydroforming a control arm of a vehicle, said method comprising the steps of:providing a die having a tooling cavity;enclosing a tube within said tooling cavity of said die;applying fluid pressure to an interior of said tube, said fluid pressure causing the walls of said tube to expand to closely conform to the shape of said tooling cavity, thereby forming a control arm having unitary construction;providing a forming tool being operably interconnected with said die for forming a cavity in the control arm;positionin...