Leej twg yog Charles liab?
Leej twg yog Charles liab?
Anonim

Charles Monk (tsis yog Moncky) nyob hauv ntu Williamsburg ntawm Brooklyn hauv xyoo 1880 uas nws tau tsim thiab muag moulder cov cuab yeej, tsis yog cov cuab yeej siv tshuab zoo li liab ciaj ntswj. Nws tsis tuaj yeem tsim lossis muab lub npe " liab wrench"vim nws yug tom qab lub sij hawm," liab ciaj ntswj ", thawj zaug tshwm sim hauv luam ntawv.

Hais txog qhov no, leej twg yog Charles Moncky?

Charles Monckey, tus tsim ntawm Monckey ciaj ntswj (hu tsis raug liab ciaj ntswj), tab tom nyob hauv kev txom nyem hauv Brooklyn. Nws muag patent rau $ 2000, thiab tam sim no ntau lab tau ua txhua xyoo tawm ntawm qhov tsim. Galveston Daily News (Texas), 23 Lub Kaum Hli 1886.

Ib tug kuj yuav nug, dab tsi yog qhov txawv ntawm ib tug yeeb nkab ciaj ntswj thiab ib tug liab wrench? Zoo li ib liab ciaj ,li ib cev ciaj ntswj muaj serrated puab tsaig uas muab nws nkag siab zoo dua rau cov khoom. Lub ntsiab qhov sib txawv ntawm ob yog thaum a liab wrench puab tsaig ncaj ncaj, a cev wrench yog me ntsis nkhaus. Qhov no ua rau lawv tuav zoo dua ntawm cov khoom puag ncig yam tsis muaj peev xwm stripping nws.

Ua li no, leej twg invented tus liab wrench?

Solymon Merrick

Tus hmuv ciaj zoo li cas?

Ib tug crescent ciaj ntswj ntsia ntau nyiam a liab wrench ; qhov tseeb, feem ntau ntawm cov yooj yim adjustable wrenches koj paub zoo li lub hli hli wrenches . Ib crescent ciaj ntswj feem ntau yog ua los ntawm cov hlau thiab muaj ib lub tiaj tus kov uas yog tus naj npawb ntawm ntiv tes ntev. Piv txwv li, a liab wrench puab tsaig yog perpendicular mus rau tus kov.

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