Clamping device
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United States of America Patent
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Jun 4, 2013
Grant Date -
Nov 1, 2012
app pub date -
Apr 19, 2012
filing date -
Apr 28, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A clamping device has a hollow shaft (1) rotatably mounted in a housing with a clamping element fastenable to the shaft and includes a lever arm (2) as part of a toggle lever mechanism. An intermediate element is articulated on both sides by the lever arm (2) and an axially movable final control element (4) of a drive element, respectively. An inner shaft (6), connected to a hand lever (5), is arranged in the hollow shaft (1). The inner shaft has a pin element (7) that extends through a link guide (8) on the hollow shaft (1). The inner shaft (6) can be operationally linked to the toggle lever mechanism. A spring element (9) tensions the inner shaft (6) against the hollow shaft (1) in the main axial direction. The spring element (9) is arranged in the interior of the hollow shaft (1).
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