| 摘要 |
The invention relates to a variable-pitch transfer device (10) having a drive disc (12) rotating about a rotation axis (O), at least two transfer means (18) respectively carried by guide means (20) rotating about said axis (O) and driven in rotation by said disc (12), a fixed cam (30) having a cam track (42), - a link rod (44), one end of which is mounted so as to pivot with respect to the guide means (20) about a pivot axis (A), and the other end of which carries a control roller (46) which engages with the cam track (42), - a link rod (46), one end of which is mounted so as to pivot with respect to the guide means (20) about said axis (A), and the other end of which carries a drive roller (50) which is received and guided in a slot (52) in the disc (12), the link rod (44) and the link rod (46) rotating as one about said axis (A). |
