Automated devices using rotational motion to apply chalk to a surface
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United States of America Patent
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Sep 15, 2020
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N/A
app pub date -
Jun 21, 2018
filing date -
Jun 21, 2017
priority date (Note) -
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Abstract
Various devices utilize rotational movement of a piece of chalk to apply a graphic to a surface. Such a device includes a chassis, a motor connected to the chassis, a solid piece of chalk supported by a mounting structure carried by the chassis, and a rotatable axle or spindle that transmits rotational movement from the motor to the solid piece of chalk via the mounting structure such that the solid piece of chalk may be sanded by a surface to render a graphic to the surface. Some such devices are vehicles. Various systems include such devices as well as remote communication devices for operational control.
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