Trenching Assembly
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United States of America Patent
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app pub date -
Oct 11, 2016
filing date -
Oct 9, 2015
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Abstract
An apparatus for cutting a trench is formed from a housing and a cutting assembly at least partially positioned within the housing. The cutting assembly has a cutting wheel and a plurality of teeth extending from the periphery of the cutting wheel. The cutting wheel features a plurality of layers of cylindrical profile in which at least two of the layers have profiles with different diametrical dimensions. At least some of the teeth are positioned on different layers. A trench is formed by placing the apparatus on a surface of the ground and pushing or pulling the apparatus while the cutting assembly is rotated. In one configuration, at least one layer having a profile of larger diametrical dimension is situated between a pair of layers having profiles of smaller diametrical dimension. In such configuration, the apparatus cuts a t-shaped trench.
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