| 摘要 |
PROBLEM TO BE SOLVED: To provide a seat cushion in which cracks from the recessed channels of the seat cushion can be avoided. SOLUTION: In the seat cushion 10 in which a main part 11 with which the hip of a crewman can be held and which consists of a low hardness material and side parts 12 which are arranged on both left and right end parts of the main part 11 so as to support the sides of the outside of the thigh of the crewman and which consists of a high hardness material are integrally foamed and recessed channels 13 being the boundaries between the main part 11 and the side parts 12 are formed, the connecting parts 14 for the main part 11 and the side parts 12 are left and right complicated with each other in the neighborhoods of the bottom parts of the recessed channels. |
