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  • Who Invented the Escalator?

    Dec 03, 2019 · The escalator as we know it was redesigned in 1897 by Charles Seeberger. He created the name escalator from scala, the Latin word for steps, and elevator, a word for something that had already been invented. Seeberger partnered with the Otis Elevator Co. to produce the first commercial escalator in 1899 at the Otis factory in Yonkers, New York.

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  • Timeline of United States inventions (1890–1945) - Wikipedia

    The hoist rope, powered by large diesel or electric motors, supports the bucket and hoist-coupler assembly from the boom. The drag rope is used to draw the bucket assembly horizontally. By skillful maneuver of the hoist and the drag ropes the bucket is controlled for various operations. The dragline excavator was invented in 1904 by John W. Page.

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  • Who Invented the Steel Plow and How Has it Changed Over Time?

    The original steel plow had only one shank but over time, John Deere continuously added shanks to improve the machinery. When this piece of equipment was first introduced, it was the first plow made of steel - with all the others having been made of wood. That being said, this material change wasn't the only odd thing about the plow.

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  • Who invented excavators? - Answers

    Nov 25, 2014 · The very first excavator to use hydraulic technology was built in 1882 by Sir W. G. Armstrong & Company in England, where it was used in construction of the Hull docks. Unlike today's excavators that use hydraulic fluid, water was used to operate the hydraulic functions.

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  • First mobile tower crane from Liebherr turns 70

    Aug 20, 2019 · First mobile tower crane from Liebherr turns 70. 70 years ago, on 19 August 1949, the German Patent Office issued the patent for the first mobile tower crane by Hans Liebherr. Its invention laid the foundation for the success story of Liebherr. Biberach an der Riss (Germany) 20 August 2019 - In 1949 the rebuilding process in Germany and Europe

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  • A History of Vacuum Excavation | Dig Different

    The history of vacuum excavation stems from the use of hydroexcavation as far back as the late 1800s, when pressurized water was used for mining purposes in the U.S. Breaking up soil using pressurized water created a cleaner and safer way to dig. From there, hydroexcavation expanded as a method used on underground construction sites throughout

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  • The development history of excavators

    Sep 16, 2021 · Since the 1960s, hydraulic excavators have entered a stage of promotion and vigorous development. Excavator manufacturers and varieties in various countries have increased rapidly, and output has soared. From 1968 to 1970, the output of hydraulic excavators accounted for 83% of the total output of excavators, which was close to .

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  • Excavator - Wikipedia

    Nov 15, 2019 · It was the French company Sicam that obtained the patent of the Turin brothers in 1954, thus starting the marketing in France of the hydraulic excavator Yumbo.

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  • Excavator

    - In 1897, Kilgroe Machine Co.LTD invented a steam excavator, but the mechanical boom was powered by hydraulic system. - In the 20s, excavator was set up on tracks or wheels, which increased the mobility. - In 1925, Bucyrus 120-B was invented, which is the first excavator can rotate 360°.

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  • Old Poclain Excavators at Rest - Construction Index

    In 1951, Mr Bataille invented the first hydraulic excavator and ten years later the revolutionary TY45 machine was launched. A machine that was to be a massive worldwide success story, with the

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  • CNH Industrial Newsroom : In 1947 Mario Bruneri produces

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  • Excavator_for sale

    Jan 20, 2021 · Industry information. Release time:. 2021/01/20. Page view. 33. Excavator. In the beginning, the excavator was manual. It has been more than 130 years since it was invented in 2013. During this period, it has experienced from the steam-driven bucket rotary excavator to the electric drive and internal combustion excavator.

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  • History - Hitachi Construction Machinery

    In 1949, the mobile tower crane is invented. In post-war Germany, many parts of the country need to be rebuilt. Hans Liebherr manages his parents' building firm in South Germany. He recognizes the need for tools and machinery for the building industry and domestic construction.

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  • First mobile tower crane from Liebherr turns 70

    Aug 20, 2019 · First mobile tower crane from Liebherr turns 70. 70 years ago, on 19 August 1949, the German Patent Office issued the patent for the first mobile tower crane by Hans Liebherr. Its invention laid the foundation for the success story of Liebherr. Biberach an der Riss (Germany) 20 August 2019 - In 1949 the rebuilding process in Germany and Europe

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  • Mini Excavator Design And Analysis

    started to produce the hydraulic excavator as we know it today. The first excavator that was made after the war was invented in 1946 by ray ferwerda, an inventor in cleveland, ohio [1]. Works of design and production on excavators are also evaluated in the scientific sense. One of these studies

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  • Electric excavator reduce CO2 emissions | Bosch Global

    The joint "Electrified Excavator" project with experts from various disciplines from Bosch Research and Bosch Rexroth, which is active in the field of drive and control technology, was already launched in 2018. Its declared aim is to develop system solutions for electric construction machinery that, firstly, operate locally emission-free

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  • Backhoe - Wikipedia

    A backhoe—also called rear actor or back actor—is a type of excavating equipment, or digger, consisting of a digging bucket on the end of a two-part articulated arm.It is typically mounted on the back of a tractor or front loader, the latter forming a "backhoe loader" (a US term, but known as a "JCB" in Ireland and the UK). The section of the arm closest to the vehicle is known as the boom

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  • The first hydraulic excavators | OEM Off-Highway

    Modern hydraulic excavators come in a wide variety of sizes. The smaller ones are called mini or compact excavators. For example, Caterpillar's smallest mini-excavator weighs 2,060 pounds (930 kg) and has 13 hp; their largest model is the largest excavator available (developed and produced by the Orenstein & Koppel, Germany, until the takeover 2011 by Caterpillar, named »RH400«), the CAT

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  • Great human inventions by country - Eupedia

    Invented by American Robert Fulton commissioned by Napoleon. First launched in France. Ambulance service (early 1800's, France) Modern method of army surgery, field hospitals and the system of army ambulance corps invented by Dominique Jean Larrey, surgeon-in-chief of the Napoleonic armies. Locomotive (1804, UK) Invented by Richard Trevithick.

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  • History (1910-1960) : Hitachi Global

    History (1910-1960) Company formed.Completed five-horsepower induction motor *figure1. Completed the first large-scale DC electric locomotive to be manufactured in Japan *figure2. Completed Hitachi's first electric refrigerator *figure3. Completed 5,000-line automatic private branch exchange. Completed 85,000-kW Francis water turbine and 70,000

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