| 摘要 |
<p>Drive (1) comprises a hydraulic pump (5) in the form of a proportional piston pump in a hydraulic connection with a first pressure chamber (6) assigned to a drive unit (2) and a second pressure chamber (7) assigned to a spring force storage (4). A hydraulic damping unit is provided in the opening direction arranged between an opening piston (18) and the intermediate chamber (20) of a housing (13) lying next to the second pressure chamber. Preferred Features: The drive unit is formed as a cam drive having a cam (8) arranged on the delivery shaft (9) and two power transfer rollers (10, 11) arranged on both sides of the delivery shaft and lying on the curved path of the cam.</p> |
