US Patent 10906433 Vehicle seat

A vehicle seat 1 includes a seat cushion 2 for supporting the buttocks of an occupant, a backrest 3 having a seat back 5 and supporting the back of the occupant, and a reclining mechanism 8 having a bracket 82 that rotates about a rotation axis C and enabling the backrest 3 to rotate relative to the seat cushion 2. The bracket 82 is fastened onto a side surface plate 51 of the seat back 5 by a first bolt 61, a second bolt 62, and a third bolt 63 that pass through the bracket 82 and the side surface plate 51. An insertion position for the third bolt 63 is offset from a straight line L passing through an insertion position for the first bolt 61 and an insertion position for the second bolt 62.