| 摘要 |
<p>A movement mechanism, in particular intended for a whale-tail-type propulsion system of a vessel, comprises a casing (2; 3) mounted in such a way that it is rotatable about a pin (10), a number of shaft ends (5) with denticulation (6) rotatably mounted at mutual angular distance in the casing (2; 3), a worm disc (12) fitted on the fixed pin (10) and having grooves (13), and a number of gear wheels (7) corresponding to the number of shaft ends (5), which gear wheels are in mesh with the shaft end denticulations (6). The worm disc (12) is in mesh either with said gear wheels (7) or with gear wheels (9) fitted on the shaft (8) of said gear wheels (7). This ensures that when the casings (2; 3) are rotating the shaft ends (5) undergo a reciprocating swivelling movement determined by the peripheral shapes of the grooves (13) in the worm disc (12). <IMAGE></p> |
