| 摘要 |
A lower arm for an automobile is provided to install a lower arm so as to allow a proper roll center to be located in a position suitable for automobile types, and to reduce manufacturing costs of the automobile by varying distance of a ball joint connector by upper and lower nuts for position movement so as to change a position of a center roll. A lower arm(100) for an automobile comprises an automobile body mounting bush connector, a geometry bush connector and a ball joint connector(110). The automobile body mounting bush connector, a geometry bush connector and a ball joint connector are integrally formed and coupled to an automobile body mounting bush, a geometry bush and a ball joint(140). The automobile body mounting bush and the geometry bush are respectively coupled to an automobile body frame by coupling units. A knuckle(200) of an automobile wheel is coupled to a stud(141) of the ball joint. A screw mount is formed in an outer side surface of the stud of the ball joint. An upper nut(300) and a lower nut(400) are installed in upper and lower parts of the knuckle. |
