A mounting means for mounting a first member to a second member includes at least one fixed engaging member disposed on the first member to engage one of a plurality of engaging surfaces on the second member. At least one movable engaging member is disposed to engage another of the second member engaging surfaces. The movable engaging member is positioned on the first member and is operable between a disengaged and engaged positions whereby the movable engaging member positions both of the engaging members into engagement in the operable position and disengagement in the inoperable position.
