| 摘要 |
A manipulator operative in hygienic environments. A swivel operative to flexibly transport gas includes a fixed part comprising a plurality of members divisible to permit the swivel to be cleaned, a moveable part journaled in the fixed part, and a cavity arranged between the fixed part and the moveable part, the cavity operative to decrease a speed of gas flow whereby particles present in the gas are stopped and deposited in the cavity. |
