FIELD: earth moving machinery. SUBSTANCE: bucket of dragline excavator has back and side walls and door with cutting edge. Ratio of mean width of bucket to mean height of side and back walls of bucket is 1.7-2.4. Product of mean height of side and back walls of bucket, mean width of bucket and mean length of bucket is 0.75-0.98 of bucket capacity. When working sand, clay or rock, this product is 0.9-0.98, 0.8-0.92 or 0.75-0.85 of bucket capacity, respectively. EFFECT: enlarged operating capabilities. 4 cl, 4 dwg, 1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
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| METHOD AND DEVICE FOR DIGGING GROUND WITH SCRAPER | 1991 |
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RU2039161C1 |
