Drive system for a fastening tool
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United States of America Patent
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Jan 13, 2004
Grant Date -
Oct 10, 2002
app pub date -
Mar 19, 2002
filing date -
Apr 9, 2001
priority date (Note) -
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Abstract
A drive system for a fastening tool, in particular a riveting tool, includes a punch for a fastening operation and a clamp axially moveable relative to the punch for clamping the workpieces during the fastening operation. The punch is actuated by a drive so as to be displaced axially. During such operation the drive force exerted upon the punch is transmitted to the clamp by force transmitting means comprising an air pressure chamber of variable volume.
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