초록 ▼

A backpack includes a bag having an interior packing space and a back wall that has a top and a bottom. The back wall includes an opening proximate the top of the back wall. A back contacting surface is attached to the top of the back wall and the bottom of the back wall. A frame is removably mounte

A backpack includes a bag having an interior packing space and a back wall that has a top and a bottom. The back wall includes an opening proximate the top of the back wall. A back contacting surface is attached to the top of the back wall and the bottom of the back wall. A frame is removably mounted to the back wall between the back wall and the back contacting surface. The frame includes a bend configured to space the back wall from the back contacting surface. The frame is insertable and removable to and from the back wall through the opening.

대표청구항 ▼

1. A backpack comprising: a packing space including a back wall facing a backpack wearer;a net part coupled to the back wall;a frame arrangement concavely tensioning the back wall, the net part extending between ends of the back wall, the frame arrangement being open at a bottom of the packing space

1. A backpack comprising: a packing space including a back wall facing a backpack wearer;a net part coupled to the back wall;a frame arrangement concavely tensioning the back wall, the net part extending between ends of the back wall, the frame arrangement being open at a bottom of the packing space and closed at a top of the packing space and comprising two vertical frame parts and a frame region running in the transverse direction, ends of the frame region being connected to upper ends of the vertical frame parts, the vertical frame parts diverging from one another from a middle portion towards lower free ends of the vertical frame parts, the lower free ends of the vertical frame parts pointing toward the net part, the frame arrangement configured to transmit a load in the packing space to a back of the backpack wearer proximate the bottom of the packing space; andtwo lower pockets being spaced from each other in the transverse direction provided at the bottom of the packing space on a side of the back wall facing the net part, the lower free ends of the vertical frame parts configured to be inserted in said lower pockets, the vertical frame parts configured to be guided through an opening of the back wall from the inside of the packing space in such a way that the lower free ends of the vertical frame parts engage with the lower pockets and the frame region running in the transverse direction can be inserted in an upper pocket on the back wall;wherein the middle portion of the vertical frame parts are each detachably fixed to the back wall by a fixture device, and wherein the fixture device comprises a reinforcement member which is attached to the back wall and at least one retaining tab, said retaining tab being passed around one of the vertical frame parts and detachably fixed to the reinforcement member. 2. The backpack according to claim 1, wherein the retaining tab is attachable to the reinforcement member by a hook-and-loop fastener. 3. The backpack according to claim 1, wherein the opening can be closed by a closing device. 4. The backpack according to claim 3, wherein the closing device includes a zipper. 5. The backpack according to claim 1, wherein the frame arrangement is shaped in such a way that the vertical frame parts each extend from the frame region to a predetermined place in the direction of the back wall in an arch-shaped manner in order to concavely tension the back wall, and each vertical frame part extends from said predetermined place to the lower free ends of the vertical frame parts in the direction of the net part in an arch-shaped manner in order to achieve a transmission of load to a pelvic region of a backpack wearer. 6. The backpack according to claim 5, wherein the predetermined place is located below a middle portion of the vertical frame parts. 7. The backpack according to claim 1, wherein the opening extends in the transverse direction of the back wall. 8. The backpack according to claim 1, wherein the upper pocket is formed by a region of the net part and a region of the back wall attached to the net part. 9. The backpack according to claim 1, wherein the upper pocket is above the opening. 10. The backpack according to claim 1, wherein the lower free ends of the vertical frame parts are each bent 180° in such a way that lower rounded ends are formed. 11. The backpack according to claim 1, wherein a lower end of the net part is attached to a lower side of the back wall. 12. The backpack according to claim 1, wherein the lower pockets are formed by regions of the net part and regions of the back wall attached to the net part. 13. The backpack according to claim 1, wherein the vertical frame parts coverage from the frame region running to the bottom towards a middle portion. 14. A backpack comprising: a bag including an interior packing space and a back wall having a top and a bottom, the back wall including an opening proximate the top of the back wall;a back contacting surface attached to the top of the back wall and the bottom of the back wall; anda frame removably mounted to the back wall between the back wall and the back contacting surface, the frame configured to space the back wall from the back contacting surface, the frame insertable and removable to and from the back wall through the opening, the frame including a first leg, a second leg and a transverse member connecting the first leg to the second leg, the first leg having a first free end and the second leg having second free end, the first and second legs diverging from one another from a middle portion towards the first and second free ends, the first and second legs pointing toward the back contacting surface;a fixture device attached to the back wall and configured to releasably retain the frame between the transverse member and the first and second free ends, wherein the fixture device includes a first retaining tab configured to couple to the first leg and a second retaining tab configured to couple to the second leg, wherein the fixture device includes a reinforcement member, the first and second retaining tabs being attachable to the reinforcement member. 15. The backpack of claim 14, wherein the first free end is spaced apart from the second free end a distance generally equal to a length of the transverse member. 16. The backpack of claim 14, wherein the first leg and second leg each include a bend such that the bends lie on a plane that is spaced from a plane including the first free end, the second free end and the transverse member. 17. The backpack of claim 14, wherein the back wall includes a first pocket configured to releasably retain the transverse member, a second pocket configured to releasably retain the first free end and a third pocket configured to releasably retain the second free end. 18. The backpack of claim 14, wherein the first free end is bent 180 degrees and the second free end is bent 180 degrees. 19. The backpack of claim 14, wherein the back wall, when the frame is mounted to the back wall, has a generally convex upper portion and a generally concave lower portion. 20. The backpack of claim 14, wherein the back contacting surface includes a mesh material. 21. The backpack of claim 14, wherein back wall includes at least one pocket for retaining the frame. 22. The backpack of claim 14, wherein the opening includes a zipper. 23. The backpack of claim 14, wherein an entire side of the frame is in contact with the back wall. 24. The backpack of claim 14, wherein the frame only contacts the back contacting portion proximate the top and bottom of the back wall. 25. The backpack of claim 1, wherein the lower free ends are spaced apart from one another a distance generally equal to a length of a top transverse member. 26. The backpack of claim 25, wherein the two lower pockets are spaced apart from one another a distance unequal to the distance between the lower free ends under no load such that the vertical frame parts are kept under tension when the lower free ends are inserted into the two lower pockets. 27. The backpack of claim 17, wherein the first fee end is spaced apart from the second free end a distance generally equal to a length of the transverse member under no load, and the second pocket is spaced apart from the third pocket a distance unequal to the distance between the first free end and the second free end under no load such that first leg and the second leg are kept under tension when the first free end is inserted in the second pocket and the second free end is inserted in the third pocket. 28. The backpack of claim 14, wherein the frame is configured to transmit a load in the interior packing space to a back of a backpack wearer proximate the bottom of the back wall.