Patent ID: 9578953
Date: 2017-02-28
CPC Classifications: A45F

Claim:
1. A backpack with multiple connected airbags, comprising: a backpack body having a set of straps; a first airbag unit comprising a plurality of first airbags and connected to a rear side of the backpack body, wherein a groove and an air channel are formed between each two adjacent said first airbags, the air channels allow air in the first airbags to flow between the first airbags, and the first airbags are so arranged that each said first airbag in a peripheral region of the first airbag unit occupies a larger area on the rear side of the backpack body than any said first airbag in a central region of the first airbag unit, wherein each first air bag in the peripheral region has an edge on a periphery of the air bag unit, and each first airbag in the central region does not have an edge on the periphery of the air bag unit; and at least one air inlet in communication with at least one of the first airbags; wherein the groove formed between each two adjacent ones of said first air bags provide a plurality of furrows in the first airbag unit.