| 摘要 |
Heating, ventilation or air conditioning rotary nave (1) has device for fixture of shaft body (8) and has a displacement device (2) with first (21) and second (22) threads, which are coaxially arranged and their central axis (20) is not parallel to the rotary axis (7) of the nave. A first clamp part (3) has a third thread (31), which by rotation of the diplacement device is screwable onto the first thread. By rotation of the displacement device, the first clamp part is movable in the direction of the central axis. By rotation of the displacement device in the opposite direction, a second clamp part (4) is smovable, so that both clamp parts clamp the shaft body between them. A holding device (5) is incorporated, which holds the displacement device at a fixed distance from the rotary axis on the nave.
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