Load support drum with resilient core member
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United States of America Patent
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Sep 15, 2020
Grant Date -
Jan 24, 2019
app pub date -
Feb 23, 2017
filing date -
Feb 24, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A load bearing support includes a cylindrical drum. A top portion, a bottom portion, a tapered cylindrical sidewall extends between the top and bottom portions. A core member extends between the top and bottom portions, and a load-bearing material is disposed between the sidewall and the core member. An opening extends through the top portion of the drum to receive load-bearing material. Each of the top portion and the bottom portions has a reinforcing chime. The core member includes a lateral transfer zone defined at one or more points along a vertical axis of the core member. The lateral transfer zone distributes an axial load on the drum to the cylindrical sidewall. The cylindrical sidewall provides a radial expansion area for compression of the core member and the load-bearing material.
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