UPPER-BODY FRAME SYSTEM OF VEHICLE

摘要

PROBLEM TO BE SOLVED: To provide an upper-body frame system of a vehicle, which can increase the rigidity and reduce the weight by using a carbon fiber composite material.SOLUTION: An upper-body frame system of a vehicle according to the invention includes: a roof frame which is formed of a carbon fiber composite material in a closed-loop frame shape and forms a frame part of a roof peripheral edge of the vehicle; door frames which are formed of a carbon fiber composite material, form frame parts of door opening part peripheral edges on a vehicle body side and have upper end portions connected in close contact with side end portions of the roof frame; and a windshield frame which is formed of a carbon fiber composite material, forms a frame part of a windshield opening part peripheral edge of the vehicle and has an upper end portion connected in close contact with a front end portion of the roof frame and side end portions connected in close contact with front end portions of the door frames.