Rapid coupling for excavation implements
AssigneeLiebherr-Hydraulikbagger GmbH
InventorsRolf Mieger, Thomas Zitterbart
Life of this patent
Estimating the term…
Abstract
The invention relates to a rapid coupling for connection of an implement to an operating arm, with at least one pair of lock pins that are movably guided toward each other in alignment and that can be moved toward and away from each other by a drive and that penetrate into an aligned lock hole in the implement in their extended lock position. According to the invention, pre-centering device are provided to pre-center the retracted lock pins on the lock holes.
Claims20
Quick coupling for coupling an implement to an operating arm, with at least one pair of locking pins that are movably guided toward each other in alignment and that can be moved toward and away from each other by a drive and that penetrate into an aligned lock hole in the implement in their extended lock position, wherein a pre-centering device (26) is provided to pre-center the inserted lock pins (9) with the lock holes (7).
Dependencies are inferred from the claim text.