| 摘要 |
PROBLEM TO BE SOLVED: To provide a school rucksack protecting its content and a user from vibration or impact and providing a nice wearing feeling. SOLUTION: In this school rucksack A, a back fitting body 1 is constituted of a backing board 6, a cushion seat 7 provided thereon, and a U-shaped bulge 8a filled with a support layer formed of an open cell foam body having adhesion elasticity in the both sides and the bottom of the backing board 6, and each shoulder carrying belt 5 has a thin foam sheet 15 having an adhesive elasticity and composed of an open cell foam body inserted therein. |
