<p>A knee airbag device (10) i includes a column cover (46) that covers a rear end portion of a steering column (12) from below; and an airbag module (30). The airbag module (30) is disposed in a column lower cover (48) and includes a gas generation portion (34) that generates gas and a knee airbag (36) that is housed in the airbag module (30) in a folded state, and is inflated and deployed by the gas supplied by the gas generation portion (34). The airbag module (30) is connected to the steering column (12) by a snap-fit action.</p>
