UNDERFRAME FOR AUTOMOBILE

摘要

The invention relates to an underframe for an automobile comprising two side rails (3), a transverse crossbar (2), a first floor member (5) attached on said side rails (3) and, on either side, a lateral reinforcing member (7). According to the invention, it further includes a second floor member (6), and each of the side rails (3) has an extension in the form of a portion (18) under the crossbar, attached to said lower face (22) of said central crossbar (2) and connected to an attachment portion (12) including a front portion (15) that extends gradually towards said respective lateral reinforcement member (7) and that is attached on a longitudinal portion of said respective lateral reinforcement member (7).