Downhole Tool With Counting Mechanism
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United States of America Patent
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Issued Date -
Feb 4, 2016
app pub date -
Jul 30, 2015
filing date -
Jul 31, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
An object counting mechanism for a downhole tool which includes a tool housing having a central passage and a seat configured to selectively catch an object passing through the central passage. An activating mechanism is configured to move the seat from a first state allowing the object to pass through the seat into a second state for catching the object on the seat. A rotating sleeve causes the activating mechanism to move the seat into the second state after a given degree of rotation of the rotating sleeve. At least one contact surface is spaced apart from the seat and positioned to engage the object passing through the central passage, thereby effecting a limited rotation of the rotating sleeve at each passage of an object.
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