Drive mechanism for a longwall mining machine
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United States of America Patent
Stats
-
Apr 12, 2016
Grant Date -
Jan 8, 2015
app pub date -
Jul 14, 2014
filing date -
Oct 29, 2010
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A drive assembly for a mining machine. The drive assembly includes one-and-only-one sprocket and a housing coupled to the mining machine. The housing includes a shoe and at least partially receives the sprocket. The drive assembly also includes a motor and a drive shaft that couples the sprocket and the motor. The drive shaft rotates the sprocket and defines a longitudinal axis. The housing rotates relative to the mining machine about the longitudinal axis and in a face-to-gob direction.
First Claim
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International Classification(s)
- 2014 Application Filing Year
- E21C Class
- 111 Applications Filed
- 99 Patents Issued To-Date
- 89.19 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- E21C Class
- 0 % this patent is cited more than
- 9 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Oct 12, 2027 |
