FLOOR STRUCTURE FOR SWING SLIDE DOOR-ATTACHING PART

摘要

PROBLEM TO BE SOLVED: To provide a floor structure for a swing slide door-attaching part to improve the rigidity and durable strength of a swing slide door unit-attaching part of a floor panel and its peripheral part.

SOLUTION: In a floor structure attaching a swing slide unit 20 of a swing slide door 11 to a cab side floor, a plurality of reinforcement frame members 51 bridged between a main sill 7 and a side sill 8 arranged in a longitudinal direction of a vehicle and an almost tabular reinforcement member 52 are interposed between a reinforcement frame member and a floor panel under a floor panel 6 of a floor part for optimizing a load assignment of the floor panel, releasing stress concentration, and reducing a phase by subdividing the deformation mode of the floor panel by movement of the door mass point to improve rigidity and durable strength.

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