タイトルまたは説明

A tamping rammer capable of optimum tamping of the ground by its stable jumping behavior when tamping hard ground without giving rise to unstable jumping of the machine, includes a tamping foot having a tamping plate which has an area for supporting the machine body at the bottom of the tamping plate which contacts the ground parallel thereto. The support area comprises a flat range R around a perpendicular line B drawn from the center of gravity G of the machine to the ground. The range R has a radius r corresponding to the distance between the line B and the centerline A of the machine drawn to the ground along the longitudinal direction of the tamping foot.
 

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