Coupling device of back cushion and chair cushion of knapsack

摘要

The subject innovation is the coupling port 20 in the cushion 13 to the back panel 11 of the bag 10, the pocket 15 is possible so that it is separate from the connection formation relates to a backpack having a cushion also serves as a back cushion in forming, back panel 11 and a Velcro (14) (14 ') or a slider fastener (16) (16' 17 ') or the pressure button 17 on the right and left sides and the lower side of the cushion 13 and the was formed to the button 18 and the button hole 19, by making use of separately from connection in any cushion 13 to the back panel 11 to the coupling port 20, starts the cushion 13 (11 ) in the connected state, as well as such is available to be tucked easy things and also prevents the exhaust pocket (15), to remove the cushion 13 from the backing 11 is used as a cushion to sit on a stool It indicates that the effect is.