thomas. Excavator. May 23rd , 2018.
Excavators are also called diggers JCBs4 (a proprietary name in an example of a generic trademark) mechanical shovels or 360-degree excavators (sometimes abbreviated simply to "360"). Tracked excavators are sometimes called "trackhoes" by analogy to the backhoe.5 In the UK wheeled excavators are sometimes known as "rubber ducks.
On the end of the stick is usually a bucket. A wide large capacity (mud) bucket with a straight cutting edge is used for cleanup and levelling or where the material to be dug is soft and teeth are not required. A general purpose (GP) bucket is generally smaller stronger and has hardened side cutters and teeth used to break through hard ground and rocks. Buckets have numerous shapes and sizes for various applications. There are also many other attachments which are available to be attached to the excavator for boring ripping crushing cutting lifting etc. Excavators in Scandinavia often feature a tiltrotator which allows attachments rotate 360 degrees and tilt +/- 45 degrees in order to increase the flexibility and precision of the excavator.
The Kellers uncle an equipment dealer for the Melroe Manufacturing Company based in Gwinner ND suggested that Melroe market the machines resulting in Melroe inviting the Kellers to exhibit at the 1958 Minnesota State Fair. Melroe introduced the four-wheeled M400 model "Skid-Steer Loader" in 1960 and began using "Bobcat" as a trade name for such products in 1962 on the 440-model loader. Les Melroe and advertising agent Lynn Bickett settled on the "Bobcat" name while exchanging name ideas during a drive between Minneapolis and Gwinner. Bickett and Sylvan Melroe developed the "tough quick and agile" slogan used in advertising the early loaders.
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