US Patent 10358068 Conveyance seat

A rear-side end of a protrusion configured to prevent an armrest stored in a storage space from pivoting to a usage position is formed at a side of a seat back, the side defining at the storage space. The armrest has a pad and a cover covering the pad. The pad has a back-side end engageable with the rear-side end. The rear-side end of the protrusion is arranged on a path of the back-side end of a recess, the path created when the armrest pivots from the usage position to the storage position. The back-side end of the recess is arranged rearward of the rear-side end of the protrusion when the armrest is at the storage position.