Removable pipe arch for dragline buckets
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United States of America Patent
Stats
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Sep 13, 1994
Grant Date -
N/A
app pub date -
Aug 11, 1992
filing date -
Aug 11, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A dragline bucket having a back wall, opposite side walls, a bottom, an open front, and a removable pipe arch assembly for connecting the front upper corners of the side walls of the bucket together, the removable pipe arch assembly including a saddle bracket on the inside upper front corner of each of the side walls of the bucket, the saddle bracket having a semi-annular channel providing a pocket on the inside face of each saddle bracket, a pipe arch extending between the saddle brackets, the opposite ends of the pipe arch being removably engaged in the saddle bracket on each of the side walls, a collar on each end portion of the pipe arch resting in the pocket in each of the saddle brackets, and a locking plate connected with each of the saddle brackets over the pipe for removably locking the pipe end portions in the saddle brackets. In event of damage to the pipe arch, the locking plates may be removed from the saddle brackets, the pipe arch with the end collars lifted from the saddle bracket and replaced and the locking plates reconnected with the saddle brackets.

First Claim
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
BUCYRUS INTERNATIONAL INC | 1100 MILWAUKEE AVENUE SOUTH MILWAUKEE WI 53172 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Hughes, James T | Mt. Vernon, OH | 4 | 39 |
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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