Coupling device for coupling of attachment to excavator boom, has two bolts, where each bolt has bolt shaft with two ends

摘要

The coupling device (17) has two bolts (19), where each bolt has a bolt shaft with two ends. A snug fit is provided at the latter end of the bolt shaft for a locking element. The locking element is mounted on the snug fit. The locking element is formed with a circular outer contour. An independent claim is also included for a bolt, particularly an anti-rotating bolt.