In 1938, thaum Gerry Outdoors tsim thawj lub hnab ev ntawv nrog zipper, lub hnab ev ntawv tseem tseem siv rau kev taug kev, mus pw hav zoov thiab kev ua si alpine.
Leej twg tsim lub hnab ev ntawv thawj zaug?
1: Lloyd Nelson : Tus Trapper NelsonLloyd Nelson, lub npe hu ua leej txiv ntawm kev ua si sab nraum zoov, tau taug kev ncig Alaska nrog lub hnab ua los ntawm cov nplaum thiab muab daim tawv nqaij. Ob xyoos tom qab ntawd nws tau txais daim ntawv patent rau lub hnab ev ntawv nrog lub thav duab ntoo hu ua Trapper Nelson, uas tau tsim thiab muag thoob plaws lub tebchaws xyoo 1922.
Thaum lub hnab ntim thawj zaug tau tsim?
Thawj kauj ruam ntawm lub hnab ev ntawv niaj hnub thiab los ntawm ib tug txiv neej hu ua Henry Merriam. Nws tus qauv tsim fused ob qho kev tsim ntau tshaj plaws ntawm lub sijhawm: ntoo thav duab thiab mos canvas rucksack. Nws hu nws tus qauv tsim ib lub hnab ntim khoom thiab muaj nws patented hauv 1878.
hnab ev ntawv hu li cas thaum xyoo 1800?
Lo lus knapsack yog lub npe ib txwm siv rau lub hnab ev khoom lossis hnab ev khoom mus txog rau nruab nrab ntawm lub xyoo pua 20th. Qhov no feem ntau siv hauv Canada.
Leej twg tsim lub hnab ev ntawv hauv tsev kawm?
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.
