VEHICLE CEILING STRUCTURE

摘要

A vehicle ceiling structure (1) has a long reinforcing rib (3) mounted to a vehicle ceiling member (2), and the reinforcing rib (3) consists of a resin having a thermal expansion coefficient different from that of the ceiling member (2). The reinforcing rib (3) is composed of split ribs arranged in the longitudinal direction with gaps (30) in between. In each two adjacent split ribs (31, 32), an upper projection (322a) and a lower projection (323a) which project in the longitudinal direction are formed on the upper and lower portions of a front end (321a) of one split rib (32). Said split rib (32) and the other split rib (31) are fitted to each other such that a lower surface (324a) and an upper surface (325a) of the upper projection (322a) of the split rib (32) are opposed in the vertical direction to a rear end (311b) of the other split rib (31).