Motorized tape measure
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United States of America Patent
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Apr 2, 2024
Grant Date -
Jan 5, 2023
app pub date -
Sep 8, 2022
filing date -
Sep 8, 2022
priority date (Note) -
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Abstract
Various aspects of tape measures with one or more of a sensor, a motor, and a clutch, are shown. The sensors described herein detect, through various mechanisms, the position of the retraction system of a tape measure. The measurements by the sensors may be used to control a motor to adjust an amount of tension in the spiral spring of a tape measure. In various embodiments a motor interacts with the retraction system of the tape measure via a clutch, which moderates an amount of force that the motor can communicate to the retraction system.
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