Shearing device and brush production machine with shearing device, and use of a shearing device
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United States of America Patent
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Sep 20, 2022
Grant Date -
Sep 10, 2020
app pub date -
Mar 3, 2020
filing date -
Mar 7, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
A shearing device (1) having a blade (2) with at least one blade cutting edge (5) which is helically coiled, and rotatable, about an axis of rotation (R) of the blade (2). The blade cutting edge (5) is assigned a counterpart blade cutting edge (4) of a counterpart blade (3). The shearing movements, by which for example bristle filaments (7) of brushes (8) for machining can be cut to length, are generated by relative rotational movement of the at least one helically coiled blade cutting edge (5) with respect to the preferably static counterpart blade cutting edge (4) of the counterpart blade (3). Since the blade (2) and the counterpart blade (3) can keep their spacing to one another constant during operation, there is a relatively low risk of injury during the use thereof.
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