1938. Thawj lub hnab zippered tau tsim los ntawm Gerry Cunningham hauv Boulder, Colorado. Nws tsis nyiam li cas lwm cov rucksacks zawv zawg nws nraub qaum, yog li nws siv nws txiv lub tshuab xaws los ua ib lub hnab nylon nrog zippers xwb.
hnab ev ntawv tau nrov xyoo twg?
Tab sis nws tsis yog txog thaum 1969 uas, hauv ib lub khw sab nraum zoov nyob rau hauv University of Washington lub tsev kawm ntawv, cov phau ntawv thiab hnab ev khoom los ua ib qho. Cov tub ntxhais kawm pib yuav cov hnab ev ntawv rau kev taug kev thiab muab lawv cov phau ntawv tso rau hauv lawv qhov kev sim ua kom lawv qhuav los ntawm Seattle los nag ntau heev.
Thaum lub hnab ev ntawv tau tsim?
In 1938, thaum Gerry Outdoors tau tsim thawj lub hnab ev ntawv nrog zipper, hnab ev khoom tseem tseem siv rau kev taug kev, mus pw hav zoov thiab kev ua si alpine.
Leej twg invented school backpacks?
Gerry Cunningham, tus tswv thiab tus tsim ntawm Gerry Outdoors hauv Boulder, Colo., tau lees paub nrog ob qhov kev tsim kho tshiab tshaj plaws uas yuav, ntau xyoo tom qab, ua rau lub hnab ev ntawv niaj hnub no: siv cov zippers thiab nylon rau daypacks.
lub hnab qub qub ua los ntawm dab tsi?
Tawv, canvas, ntoo, thiab qee zaum lub teeb steel siv yog cov khoom siv niaj hnub. Ntau tus neeg tsim qauv ua rau muaj txiaj ntsig zoo thiab ua haujlwm ntev rau cov hnab ev ntawv hauv xyoo dhau los ntawm kev tsim khoom ntawm Trapper Pack thiab kaj ntug ntawm cov hnab ev ntawv kev kawm.
