Patent ID: 7338304

Claim:
A case member, comprising: a case portion that has an electrical part chamber formed therein for receiving an electrical part; a connector portion that is integrally formed with the case portion, and includes: a seal member chamber; a partition wall formed between the seal member chamber and the electrical part chamber to separate the seal member chamber from the electrical part chamber of the case portion; and a connection terminal fixed to the partition wall so as to pass through the partition wall, and has an electrical contact portion projecting into the seal member chamber; a seal member having a terminal hole disposed within the seal member chamber so that the electrical contact portion of the connection terminal passes through the hole of the seal member; and a seal member holder that is fitted on an outer peripheral surface of the connector portion, wherein the seal member has an annular lip portion at an edge thereof which has an inner peripheral surface and an outer peripheral surface extending in a connection direction in which the connector portion connects to a mating connector so as to surround the electrical contact portion of the connection terminal; and wherein the seal member holder has an inner annular groove which receives the annular lip portion of the seal member so as to support the inner peripheral surface and the outer peripheral surface of the annular lip portion when the seal member holder is fitted on the connector portion.