KNAPSACK Russian patent published in 1995 - IPC

FIELD: travelling and tourist equipment. SUBSTANCE: knapsack comprises three main members, viz. a bag, a framework with a removable arcuate extension, and a cover articulated to framework. Pockets on the rear wall are filled with flexible airtight spaces and elements for connection to the rigid tubular framework. The latter has a pair of wheels. The framework can be quickly transformed into a chair, a hand-cart or a sleigh. EFFECT: simple construction and manufacture, and convenient handling. 6 cl, 7 dwg