ROTARY DISTRIBUTOR FOR THICK MATTER
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United States of America Patent
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Issued Date -
Aug 13, 2015
app pub date -
May 31, 2013
filing date -
Jul 24, 2012
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Abstract
A rotary distributor for thick matter, in particular for fresh concrete, has a load-bearing framework, which can be set down on a set-down surface, has a first extension-arm tube, which is arranged on the load-bearing framework such that it can be rotated about a framework-mounted vertical axis in the region of its inlet end, and has a second extension-arm tube, which is arranged such that it can be pivoted about a horizontal pivot axis in the region of the outlet end of the first extension-arm tube and communicates with the first extension-arm tube. The first extension-arm tube, in the region of its inlet end, can be pivoted, in addition, about a horizontal axis in relation to the load-bearing framework, and the second extension-arm tube can be rotated, in addition, about an axis of rotation, which is perpendicular to the horizontal pivot axis, in relation to the outlet end of the first extension-arm tube. Parallel-guidance devices are also provided between the first and the second extension-arm tubes to ensure that the second extension-arm tube, in different pivoting positions of the first extension-arm tube, is maintained in an alignment substantially parallel to the set-down surface.
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