FRAME STRUCTURE FOR VEHICLE SEAT

摘要

PROBLEM TO BE SOLVED: To provide a vehicular frame structure for accurately absorbing various-direction impact energy.

SOLUTION: The frame structure 2 for a vehicle seat includes a cushion frame 2a, and a back frame erected on the rear part of the cushion frame 2a, the cushion frame 2a having a tubular member 4 in part. The tubular member 4 includes an impact absorbing part 4a including a first portion 4a1 having a small diameter throughout the periphery and a second portion 4a2 having a larger diameter throughout the periphery than the first portion 4a1.

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