Belt-type traction means and method for fabricating the traction means as well as use of said traction means in an elevator and an elevator provided with said traction means
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United States of America Patent
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Sep 15, 2020
Grant Date -
Jul 26, 2018
app pub date -
Mar 23, 2018
filing date -
Oct 20, 2015
priority date (Note) -
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Abstract
A belt-type traction apparatus includes a herringbone toothed belt, which includes two edge parts and a center part between the two edge parts in a transverse direction of the herringbone toothed belt and connecting the edge parts in the transverse direction. The two edge parts and the center part each extend in a longitudinal direction of the herringbone toothed belt. The center part is associated with a first spring constant, the two edge parts are each associated with a second spring constant, and the first spring constant smaller than the second spring constant. Each edge part includes a tooth part and a support structure supporting the tooth part. Each support structure includes a plurality of reinforcement members extending in the longitudinal direction of the toothed belt.
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