| 摘要 |
An engagement device (5) comprising a hub (15); a plurality of discrete projection members (20A-20D) mounted to said hub (15) at a respective first ends of said members, said members selectively extendable from said hub (15); a sheave and engagement apparatus (25A-25D) mounted to each projection member (20A-20D), the engagement apparatus for engaging at least one intermodul unit; wherein extension of the projection members (20A-20D) moves the respective sheave and engagement apparatus (25A-25 D) relative to said hub (15). |
