Importance

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Abstract

A configuration is adopted such that the shape of a peripheral wall portion of a shell-shaped seat back skeleton can be freely set without being restricted by the presence of brackets, the incidence of warping of the seat back skeleton when a vehicle is involved in a rear-end or head-on collision is reduced, and the seat back skeleton does not lose strength even when brackets are affixed to the seat back skeleton. A seat cushion skeleton 8 and the seat back skeleton 9 are coupled by coupling means 19a, 19b, and the seat back skeleton 9 has a main body 14 facing the back of a seated passenger, and a peripheral wall part 15 provided to the peripheral edge of the main body 14. The main body 14 and the peripheral edge part 15 are formed into an integrated shell shape using a synthetic resin. The coupling means 19a, 19b have first brackets 21a, 21b that are joined to the seat back skeleton 9, the first brackets 21a, 21b being affixed by bonding to the main body 14 of the seat back skeleton 9.

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First Claim