| 摘要 |
Sheet material handling group comprising a tray (2) movable with reciprocating movement along a longitudinal axis, a plurality of teeth (6) carried by the tray (2) and equally spaced along the axis, guide means (8) for the teeth (6) configured to allow a vertical motion of limited excursion of the teeth (6) and of the elastic means (15) housed in the tray (2) and cooperating with the teeth (6) to exert on the same an upward return force, said elastic means comprising a flat spring (15). |
