| 摘要 |
Chain with the equally spaced tanks 1, 2, 3, 4, 5 and 6 served by the beam 14, in the longitudinal axis, which beam is supported by its ends on the posts 8 and 9, and is driven alternately by screw 11, nut 12 and motor 10. The beam 14 having at its base the means 20 of sliding of supporting rocking bars 21, at its upper section a means of alternating translation; by rack 30, pinion 35 and motor 36. The rack integral with forks 29 provided with ratchet feed 32 on trunnions 23 of the rocking bars 21. <IMAGE>
|
