Patent ID: 6997507

Claim:
A rucksack including a back wall, a bag body and a pair of shoulder straps on upper and lower portions of the back wall so that the user carries the rucksack on shoulders of the user, the rucksack comprising: a releasable fastener comprising a pile piece and a hook piece, one of the pile piece and the hook piece constituting a fixed part which is provided at an upper portion of the back wall to have a predetermined area, while a remaining one of the pile piece and the hook piece constituting a movable part which is detachably fastened to the fixed part; a folding chair having the movable part of the releasable fastener at a predetermined portion thereof, the folding chair being longer than the back wall by a predetermined length; a cover to cover the folding chair, a length of the cover and a length of the bag body being less than a length of the folding chair to expose a predetermined portion of the folding chair to an outside, with a slide fastener being provided along each of both sides edges of the back wall and an associated side edge of the cover to fasten the cover to the back wall; a spacer provided on a predetermined position of the cover to contact with the back and a waist of the user, the spacer thus spacing the cover from the back and the waist of the user to prevent the exposed portion of the folding chair from contacting with a body of the user; and a spacer guide part extending from an upper portion to a lower portion of the cover, with the spacer mounted to the spacer guide part so as to move along the spacer guide part.