FIELD: mechanical engineering. SUBSTANCE: roller has a freely rotatably mounted central shaft with a helical blade. The helical blade has metal brushes radially positioned relative to the roller axis. The brush ends are mounted for engagement with the inner surface of the roller barrel. The central shaft and the working barrel are mounted for freely independent rotation. EFFECT: improved structure. 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| MUFFLER | 1996 |
|
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|
SU1760286A1 |
