Sheet material tensioning apparatus
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United States of America Patent
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Nov 13, 2012
Grant Date -
Aug 19, 2010
app pub date -
May 3, 2010
filing date -
Aug 29, 2007
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A sheet material tensioning apparatus includes frame members interconnected one with another to define a closed contour. The apparatus applies tension to sheet material by imposing a separation between frame members to expand the closed contour. Beneficially, the sheet material tensioning apparatus includes an edge-bridging mechanism, such as a spline, to span the gap between the separated frame members. The edge-bridging mechanism maintains the continuity of the edge supporting the sheet material. The sheet material apparatus may include a crossbar assembly to add rigidity to long frame members, while maintaining planar alignment even under considerable compression.
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