Lifting arrangement and loading machine for underground applications
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United States of America Patent
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Jun 6, 2023
Grant Date -
Jul 30, 2020
app pub date -
Oct 23, 2018
filing date -
Oct 31, 2017
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A includes a control arm comprising a first link and a second link, a lift arm articulately connected to the first link by a first joint and a first actuating means articulately connected to the first link by the second joint. The second link and the lift arm are adapted to permit a pivotal connection with a loading means by a third joint and a fourth joint, wherein the lift arm is adapted to lift and lower the loading means and the first actuating means is adapted for actuating the control arm, by acting on the first link in at least a direction from the first actuating means, to achieve a rotational movement of the loading means around said fourth joint, when the loading means is connected to the control arm and to the lift arm. During action of the first actuating means on the first link in the direction from the first actuating means a decrease of a distance between the second joint and the third joint is achieved.
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