Gear transmission and usage measuring device for measuring usage of gear transmission
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United States of America Patent
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Mar 13, 2018
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N/A
app pub date -
May 27, 2015
filing date -
May 28, 2014
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Abstract
A usage measuring device measures usage of a gear transmission. The usage measuring device is provided with an oscillation cycle measuring unit and a comparing unit. The oscillation cycle measuring unit measures an oscillation cycle of a state signal indicating at least one of a rotational state of an input unit side and a rotational state of an output unit side of the gear transmission. The comparing unit compares a first oscillation cycle measured during an initial operating period of the gear transmission, and a second oscillation cycle measured after the gear transmission has operated for a predetermined time. The oscillation cycle measuring unit measures the first oscillation cycle and the second oscillation cycle of the state signal after the gear transmission has stopped driving.
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