Pump e.g. hydraulic pump for conveying hydraulic fluid to consumer has control lever connected with piston and locking mechanism, which has twistable servo shaft with indentation contactable with pusher by twisting servo shaft

摘要

Pump e.g. hydraulic pump has a control lever connected with a piston and a locking mechanism (13). The locking mechanism has a twistable servo shaft (15) provided with an indentation (16), which can be brought in contact with a pusher (17), clamped to the control lever, by twisting the servo shaft.