Apparatuses and methods for applying pressure to edge surfaces
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United States of America Patent
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May 11, 2021
Grant Date -
Nov 26, 2020
app pub date -
May 24, 2019
filing date -
May 24, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
An apparatus for applying pressure to at least a portion of an edge surface, which bridges opposing faces of a workpiece, comprises a frame, a first roller, a second roller, a rotation-control member, a first biasing member, and a second biasing member. The first roller and the second roller are coupled to the frame, rotatable relative to the frame about a first pivot axis, and translationally fixed relative to the frame. The rotation-control member is movable relative to the frame, controlling rotation of the first roller and the second roller relative to the frame. The first biasing member is coupled to the frame and is configured to operate in tension. The second biasing member is positioned, in compression, between the frame and the rotation-control member.
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