Patent ID: 8079850

Claim:
An electric connection box, comprising: a box main body; an electric unit mounted at the box main body; a pair of connection devices, one of the pair of connection devices being mounted to the box main body, the other of the pair of connection devices being mounted to the electric unit, the pair of connection devices being connected to each other when the electric unit is placed in the box main body; and a plurality of ribs formed on at least one of the box main body and the electric unit so as to contact the other of the box main body and the electric unit continuously along a single line of contact, each of the plurality of ribs having a predefined rib shape, wherein when one of the box main body and the electric unit are brought into interfering contact with one another when the electric unit is placed in the box main body, each of the ribs is deformed and the predefined rib shape of each of the plurality of ribs is altered such that a rattle motion of the electric unit in the box main body is minimized, wherein, ribs arranged closer to the connection device from among the plurality of ribs are formed to be stiffer than the other ribs from among the plurality of ribs other than the ribs arranged closer to the connection device.