DIGITAL INTERFACE FOR A MANUAL COUNTERWEIGHT HOIST
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United States of America Patent
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Issued Date -
Jul 27, 2023
app pub date -
Jan 9, 2023
filing date -
Jan 26, 2022
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Abstract
A manually operated counterweight hoist including a batten operable to support a load, an arbor operable to support one or more counterweights, a hand line operable to move the batten or the arbor, a brake operable to prevent movement of the arbor and the batten by constricting movement of the hand line, a brake actuator operable to activate the brake, a sensor that measures a speed of the arbor, and a controller including an electronic processor. The controller is operatively coupled to the sensor and the brake actuator. The controller is configured to receive a measurement signal from the sensor, determine whether the speed of the arbor exceeds a threshold based on the measurement signal, and activate the brake actuator when the speed of the arbor exceeds the threshold.
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