System and method of detecting dull and worn cutter bits
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United States of America Patent
Stats
-
Mar 12, 2019
Grant Date -
Jun 14, 2018
app pub date -
Feb 8, 2018
filing date -
Apr 9, 2015
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A mining machine including a chassis, an actuator, a cutter drum supported by the chassis, the cutter drum driven by the actuator, a cutter bit coupled to the cutter drum, and a controller. The controller includes a processor and memory and is configured to measure a characteristic of the actuator, determine the cutter bit is worn based on the measured characteristic of the actuator, and output a signal when the cutter bit is determined to be worn.
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International Classification(s)
- 2018 Application Filing Year
- E21C Class
- 108 Applications Filed
- 82 Patents Issued To-Date
- 75.93 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- E21C Class
- 0 % this patent is cited more than
- 6 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Sep 12, 2026 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Sep 12, 2030 |
