초록 ▼

In accordance with the present invention, a school-use backpack is provided which is similar in styling to conventional school-use backpacks, is durable, and which can be expanded to increase the interior storage volume of the backpack when additional storage space is required. In particular, the ba

In accordance with the present invention, a school-use backpack is provided which is similar in styling to conventional school-use backpacks, is durable, and which can be expanded to increase the interior storage volume of the backpack when additional storage space is required. In particular, the backpack of the present invention includes front, back, and side panels which define a zippered main storage compartment, two shoulder straps, and a zippered gusset which is sewn into the side panel of the backpack.

대표청구항 ▼

[ What is claimed is:] [1.] A backpack comprising:a front panel having a top, a bottom, an inner side and an outer side;a back panel having a top, a bottom, an inner side and an outer side;a side panel having a top, a bottom, two sides, an inner side and an outer side, said side panel being fixedly

[ What is claimed is:] [1.] A backpack comprising:a front panel having a top, a bottom, an inner side and an outer side;a back panel having a top, a bottom, an inner side and an outer side;a side panel having a top, a bottom, two sides, an inner side and an outer side, said side panel being fixedly attached between said front and back panels to form a main storage compartment for said backpack and having an access aperture formed in said top and said sides of said side panel for allowing access to said compartment and an expandable gusset attached along said bottom of said side panel and a portion of each of said sides of said side panel such that said gusset extends from said bottom of said side panel to a height on each side of said side panel below said top of said side panel;two shoulder straps fixedly attached to said backpack proximal said top outer side of said back panel to allow said backpack to be carried on the back of a wearer; anda releasable closure extending around the length of said gusset wherein when said releasable closure is closed said gusset is prevented from expansion and when said releasable closure is opened said gusset is allowed to expand to increase the storage volume of said main storage compartment.