Adjusting means
Anti-two block system
Apparatus for extending and retracting a manual boom section
Apparatus for suppressing quaky movements of mobile type crane
Apparatus for treating soil or vegetation, comprising a boom whi
Articulated load bearing wear pad assembly
Attachment jib for cranes
Attachment jib for cranes
Boom articulation assembly for aerial boom sections
Boom point construction
Boom rack for handling and positioning cargo tie down equipment
Boom support system
Collapsible lift trolley
Coupling and latching mechanism for extensible boom
Crane boom top plate lateral support
Crane having a multi-section boom
Device of the kind comprising at least three movably co-ordinate
Endless chain drive for telescopic jib sections
Extensible boom with manual section stored in base
Fail-safe stop arrangement for crane boom extension cable