Link chain
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United States of America Patent
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Jun 19, 2007
Grant Date -
May 26, 2005
app pub date -
Oct 18, 2004
filing date -
Oct 18, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A chain 1 with individual links 2, 3, inserted one into the other, of which at least every second link is formed as a flat link 3. When the flat link 3 has a vertical orientation in the shank region 6, 7 connecting the curvatures 4, 5, the flat link has a smaller maximum diameter H in the vertical direction than in the horizontal direction L. The vertical diameter H of a shank 6, 7 being smaller than the diameter the flat link 3 in the curvatures 4, 5, such that the flat chain links 3 have a ratio of its cross sectional area in the shank region 6, 7 to the cross section area in the central regions 8 of the curvatures 4, 5 is greater than 0.55 and smaller than 0.85. The plane of the horizontal maximum diameter L in the shank region 6, 7 is disposed off-center and offset with respect to the outside of the particular shanks 6, 7.
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