Patent ID: 7591678

Claim:
A through-panel connector comprising: a first connector housing disposed on one side of a panel; and a second connector housing disposed on an opposite side of the panel through a mounting hole formed in the panel, the first connector housing being fitted to the second connector housing; wherein the first connector housing has a plurality of flexible holding ribs formed on an outer peripheral surface opposed to an inner peripheral surface of the mounting hole, wherein the holding ribs extend from a base end part standing on the outer peripheral surface and extend along a circumferential direction of the inner peripheral surface of the mounting hole and along an inserting direction into the mounting hole, wherein the holding ribs contact the inner peripheral surface of the mounting hole when the first connector housing is mounted on the panel, wherein the holding ribs include engagement projections engaged with an opening edge of the mounting hole, the engagement projections being formed on sides of respective tip parts of the holding ribs, and wherein the holding ribs include biasing-force adjusting parts for maintaining a constant biasing force of the holding ribs on the inner peripheral surface of the mounting hole of the panel, the biasing-force adjusting parts being formed on sides of the respective base end parts of the holding ribs beside the engagement projections.