| 摘要 |
1528645 Sheet handling ADAMOVSKE STROJIRNY NARODNI PODNIK 21 May 1976 [29 May 1975] 21096/76 Heading B6C [Also in Division B8] In a sheet printing machine, rocking grippers 33 are controlled by cam follower rollers 25, 32 engaging cams 6, 9 mounted on the shaft 1 of an impression cylinder 40 so that the grippers 33 move from rest to a velocity at line 39 equal to that of grippers 37 on the cylinder 40 and thence to a rest position again thus smoothly passing a sheet to grippers 37. An adjustable spring 26 joins levers 15 and 16 which respectively support the rollers 25 and 32. |
