Patents in subclass Excavating/Contiguous Pivots
Parent class: Excavating
| Number | Patent title | Issue Date |
|---|---|---|
| 5836089 | Excavating equipment fitted with surface clamps Excavating equipment comprising a rigid support structure with articulately mounted surface clamps, an excavating device downstream of the surface clamps in a direction of excavation and an urging device for urging the excavation means in... |
11/17/1998 |
| 5638616 | Oil supply mechanism in a deep excavator An oil supply mechanism in a deep excavator comprising a chassis, a turntable disposed on the chassis, a boom which is pivotally supported on the turntable and is vertically swingable, a stretchable arm arrangement which is stretchable in... |
06/17/1997 |