| 摘要 |
PROBLEM TO BE SOLVED: To provide a vehicle body frame structure comprising a frame member of different kinds of metal material having excellent electrolytic corrosion-resistance. SOLUTION: When an adapter 31 of an aluminum based material is interposed between a rear frame member 11 of an iron based material and a front frame member 21 of an aluminum based material and connection is performed, a plurality of abutting surfaces 38a, 39a, 42a, 43a, 46 and recessed parts 40, 44, 47, 48 abutted on an inner surface of the rear frame member 11 and bonded by bolts are formed on an outer peripheral surface 41 of a first frame bonding part 35 of the adaptor 31 inserted into the hollow part 20 of the rear frame member 11. COPYRIGHT: (C)2005,JPO&NCIPI
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