Package and article carriers – Miscellaneous
Patent
1976-03-10
1978-05-09
Blix, Trygve M.
Package and article carriers
Miscellaneous
150 16, 190 41R, 224 25A, 224 47, A45F 300
Patent
active
040882527
ABSTRACT:
A school book back satchel includes a rigid back piece, a rigid lower piece which, when secured to the back piece, defines a bag supporting pocket, and a rigid upper lid piece. The back piece has a lumbar groove widened at its lower end, a transverse ventilation groove, an outwardly contoured lower portion, strap accommodating slots, and a disappearing handle. A waterproof accordion bag is snapped, riveted or glued onto the back piece, and may be provided with closure straps, a channel to receive the ends of the shoulder straps, or external flap pockets. The satchel volume may be increased by inserting a rigid expansion ring, and the parts may be held together by a channeled rubber band to facilitate component changes.
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patent: 3938718 (1976-02-01), Madison
patent: 3957183 (1976-05-01), Gadberry
patent: 3960300 (1976-01-01), Dickler
Blix Trygve M.
Douglas Winston H.
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