| 摘要 |
1455378 Excavators WILHELM STOLL MASCHINENFABRIK GmbH 6 Sept 1974 [7 Sept 1973] 39036/74 Heading E1F A bucket of a loader is locked relative to lifting arms 1 by engagement of a pin mounted on the bucket with a detent 17 of a coupling lever 19 pivotally mounted on the arms 1, the coupling lever 19 being held in a locked position by a pivotally mounted pawl 31 engaging a pin 29 pivotally connecting two knee components 20, 21. The unlocking of the pin is effected by actuating a solenoid 35. Limiting abutments 38, 39 are provided to limit the locking and unlocking positions of the knee components. The pawl 31 may be fork shaped so as to engage both ends of the pin 29. |
