Process and devices for dynamic measurement of a load in displacement in a vertical plane
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United States of America Patent
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-
Dec 1, 1992
Issued Date -
N/A
app pub date -
Feb 11, 1992
filing date -
May 17, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a process and device for dynamic measurement of a load in displacement in a vertical plane, this load undergoing a force exerted upward. The value of the load is determined from its displacement speed in a determined portion of its travel and from a parameter exhibiting a relation with said force in this same travel position. The device comprises a sensor (4) of the hoisting speed of the load in a determined portion of its travel, means (3) for measuring the upward force undergone by the load when it is being hoisted in a determined portion of its travel, and processing means (6) to deduce the value of said load from the displacement speed of the load and of said force.
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