Device for compacting road paving materials
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United States of America Patent
Stats
-
Feb 14, 2012
Grant Date -
Jan 6, 2011
app pub date -
Jan 6, 2009
filing date -
Feb 2, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The invention relates to a device for compacting road paving materials, comprising a screed board which is fastened on a road finisher and extends at a right angle to the direction of travel of the road finisher and a tamper that is mounted in front and/or behind the screed board. The tamper has a tamper strip that can be driven to perform a striking upward and downward movement and the interior of which is equipped with an electrical heating unit in the form of a rod-shaped heating element that can be clamped into a recess of the tamper strip. The device according to the invention is characterized by a spring accumulator receiving a heating element in the direction of the striking upward and downward movement for clamping the heating element.
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