| 摘要 |
In apparatus for separating and feeding sheets, which includes a sheet feeding deck, a sheet separating stone and structure for carrying the stone in overhanging relationship with respect to the deck. There is provided an improvement for controlling the height of the stone above the deck. The improvement includes a movable frame connected to the stone carrying structure, a manually rotatable shaft connected so as to threadably engage the frame for moving the same to move the stone to a selected height above said deck, and apparatus for permitting the shaft to be pushed, without rotating the same, for raising the stone above the selected height. |
