The Frank G. Hough Co. is usually credited with inventing the wheel loader. Hough produced some of the first loader attachments for wheel tractors; one of the first integrated, purpose-built rubber-tired loaders; and the first all-wheel-drive, all-hydraulic rubber-tired loader. But the honor for the first known wheeled loader belongs to the Power Scraper Shovel. Built by the Brown Hoisting Machinery Co. in 1919, the Power Scraper Shovel was designed as a supplement to Brownhoist's wide range of dock-mounted ship unloaders. By lowering a large clamshell or orange-peel bucket into the hold, the unloader would clam out the cargo of coal or ore.
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机译：弗兰克·霍夫（Frank G. Hough）公司通常以发明轮式装载机而著称。霍夫生产了一些第一批轮式拖拉机装载机附件。首批集成的，专用的轮胎式装载机之一；以及第一台全轮驱动，全液压轮胎式装载机。但是，第一个已知的轮式装载机的荣誉属于Power Scraper Shovel。 Power Scraper铁铲是由Brown起重机械公司于1919年建造的，是Brownhoist众多码头安装的卸船机的补充。通过将一个大的翻盖或橙皮桶放到货舱中，卸货机可以将煤或矿石的货物蛤lam掉。
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