A BACKHOE BOOM TRANSPORT LOCKING MEANS AND A BACKHOE COMPRISING SUCH LOCKING MEANS

摘要

Locking means for mechanically locking a backhoe boom (18) in a transport position on an earth moving machine in which the boom (18) is supported for swinging movement about a horizontal pivot (21) carried on a swing post (15) coupled by a vertical pivot (16) to a frame structure (13) of the earth moving machine comprises a lever (24) fulcrummed intermediate its ends on the swing post. The lever has at one of its ends a latching element (31) engagable with the boom in a raised position of the latter to prevent downward swinging movement, and at the other of its ends a latching element (35, 38) simultaneously engageable with the frame structure to hold the swing post and thereby the boom in a centred position. A manipulable linkage (41, 43, 47) accessible at the operator's station (14) is provided for actuating or releasing the boom locking means.