Device in belt conveyors |
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| 申请号 | US3729089D | 申请日 | 1971-04-06 | 公开(公告)号 | US3729089A | 公开(公告)日 | 1973-04-24 |
| 申请人 | KERTTULA I; JAATINEN P; | 发明人 | KERTTULA I; JAATINEN P; | ||||
| 摘要 | A device in belt conveyors intended to increase the friction between a conveyor belt and the traction roll about which the belt is entrained. Over the conveyor belt there is fitted a pressure chamber, which is open in the direction facing the belt and which presses the belt against the roll. | ||||||
| 权利要求 | 1. In a device for increasing the friction between the conveyor belt of a belt conveyor and a traction roll about which said conveyor belt is entrained, the improvement comprising; a pressure chamber having an open surface facing said belt in the region of said belt contacting said traction roll, said pressure chamber being adapted to impart a pressure to the surface of said belt so as to increase the friction between the latter and said roll, and a second pressure chamber positioned on the diametrically opposed side of said traction roll, said chamber having an open surface facing the roll and adapted to impart a pressure thereto in opposition to the pressure of said first pressure chamber. |
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| 说明书全文 | |||||||
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