A telescoping crane boom having a rotary locking mechanism. A motor drives a rotating element about an axis parallel to the axis of the crane boom. The rotation of the rotating member causes a pin to selectively lock and unlock sections of the telescoping crane boom.
Crane with rotary locking mechanism
2019-10-29
Patent
Elektronische Ressource
Englisch
IPC: | B66C Krane , CRANES |