Backpack device has pocket unit with rear surface and front surface, where both surfaces are connected with each other over two side surfaces, and pocket unit is provided with releasably sealable hollow chamber

摘要

The backpack device (100) has a pocket unit (120) with a rear surface (123) and a front surface (124), where both the surfaces are connected with each other over two side surfaces (121,122). The pocket unit is provided with a releasably sealable hollow chamber (110). A bearing cage (140) for a wheel is fixed in the area of one of the side surfaces. The bearing cage is backwardly and forwardly pivotable by the rotation around a pivoting axis from a position above a lower surface (125) of the pocket unit in another position below the lower surface of the pocket unit.