Device for supporting a hand-held tool
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United States of America Patent
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-
Jan 1, 2002
Grant Date -
N/A
app pub date -
Dec 29, 1999
filing date -
Dec 29, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention relates to a device for supporting a heavier hand-held tool, particularly a spot welding gun, comprising a tool stand provided with a support arm arrangement mounted thereon, and a constant force spring having a first end and a second end, said first end of the constant force spring being attached to said support arm arrangement, and said hand-held tool being hung from said second end of the constant force spring, wherein the constant force of the spring is such that a user of the hand-held tool is relieved from at least a substantial portion of the weight of the tool, and the drawn-out length of the spring is long enough to enable the tool to be hung in a plurality of different operation heights. Preferably, the constant force of the spring is such that the tool is hung in a weight-balanced state. A line element may be connected between the constant force spring and the tool.
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