Vehicle seat

Abstract

A vehicle seat of the present invention includes a seatback frame, a backrest section that supports a back of an occupant, a swivel-coupling section that couples the backrest section and that is capable of swiveling with respect to the seatback frame in a seat width direction, and an outer periphery support section that couples plural locations at an outer peripheral side of the backrest section to the seatback frame, that supports the backrest section with respect to the seatback frame, and that permits the backrest section to swivel.

Description

technical field [0001] The present invention relates to vehicle seats. Background technique [0002] In the vehicle seat device described in International Publication WO2013 / 021497, the seat back (seat back portion) supporting the occupant's back is supported by the second frame portion (seat back frame) of the seat frame through the seat back support mechanism. support. The seat back support mechanism is a swivel mechanism including a rotation shaft arranged at a position near the center between shoulder blades facing the occupant and supports the back portion so as to be swivel in the vehicle roll direction. and bearings. This enables the backrest portion to be turned to match the natural movement of the occupant's body when the vehicle is turned or the like, and thus the occupant's steering performance and posture maintaining ability can be improved. [0003] However, in the vehicle seat device having the above configuration, only the central portion of the backrest po...

AI Technical Summary

Problems solved by technology

Therefore, it is not efficient from the viewpoint of securing the rigi

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