Abstract: A door device for furniture, which has a plurality of door members provided laterally in opposition to each other in a front opening of a furniture body, longitudinal sliders capable of moving the door members in the longitudinal direction with respect to the furniture body, and a lateral slider capable of moving the door members in the lateral direction with respect to the furniture body, the front opening being opened by sliding one of the door members forward and then sideways to superpose the door member on the front surface of the adjacent door member, a plurality of support rails fixed to the portions of the furniture body which correspond to the door members, and a support roller which is adapted to engage a support rail on the side of the door member adjacent to the door member to be opened, when the lateral slider is extended to more than a predetermined extent during the lateral sliding of the door member to be opened to cause the lateral slider to be inclined slightly due to the load of the same do

Abstract: A shelving device wherein a side plate of a shelf is connected to a shelf plate through an insert attached to the side plate and an engagement member attached to the shelf plate. The insert has its portion buried and fixed in the side plate and is formed at one end of its buried portion with a generally trapezoidal receiving portion gradually narrowed upward and on both its sides with sloped faces. The engagement member has its engagement portion adapted to be buried and fixed in the lower face of one end portion of the shelf plate and is formed at one side of its engagement portion with an engagement recess gradually narrowed upward to fit the receiving portion therein and at both the sides of its engagement recess with a dovetail groove having sloped faces closely engaging the sloped faces on the two sides of the receiving portion.