| 摘要 |
PROBLEM TO BE SOLVED: To reduce the weight of a common-use frame structure for a seatback on an automobile seat having a center seatback portion integrated with the seatback. SOLUTION: To the inside end of a pipe-formed lower frame 10 as part of the seatback, a pipe-formed lower frame 11 as part of the center seatback portion, separate from the lower frame 10, is integrally connected on its axial line. Preferably, the lower frame is welded at its arm rest mounting hinge bracket to the lower frame 10 of the center seatback. COPYRIGHT: (C)2009,JPO&INPIT
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