US 9,809,267 B2
Vehicle seat
Tomohisa Chiba, Tochigi (JP); and Yoshinori Ueyama, Tochigi (JP)
Assigned to TS Tech Co., Ltd., Saitama (JP)
Appl. No. 15/35,653
Filed by TS TECH CO., LTD., Asaka-shi, Saitama (JP)
PCT Filed Sep. 5, 2014, PCT No. PCT/JP2014/073552
§ 371(c)(1), (2) Date May 10, 2016,
PCT Pub. No. WO2015/068459, PCT Pub. Date May 14, 2015.
Claims priority of application No. 2013-233233 (JP), filed on Nov. 11, 2013.
Prior Publication US 2016/0280298 A1, Sep. 29, 2016
Int. Cl. B62J 1/12 (2006.01); B60K 15/04 (2006.01)
CPC B62J 1/12 (2013.01) [B60K 15/0406 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A vehicle seat comprising:
a seating portion that includes a bottom plate,
wherein the bottom plate comprises:
reinforcement ribs that project from a surface of the bottom plate; and
a reinforcement protrusion portion that projects from a bottom surface side of the bottom plate toward a top surface side of the bottom plate;
wherein:
the reinforcement ribs comprise upper ribs arranged on a top surface of the bottom plate and lower ribs arranged on a bottom surface of the bottom plate;
at least some of the upper ribs and at least some of the lower ribs form a honeycomb shape; and
the lower ribs are arranged in a recessed portion on a bottom surface of the reinforcement protrusion portion.