Tipping mast esp. for light emitting mast - has tipped device including piston-cylinder unit which via claw shaped holder with downwardly open recesses fits onto bearing bolt of mast foot

摘要

The bearing bolts are lockable within the recess due to a spring loaded locking bar which has an inclined opening face. The recess on the holder is opened by the piston (13) and cylinder (14) moving in opposite directions and are centred on the adjusting axis of the piston-cylinder unit (12). ADVANTAGE - Is simply liked to the mast.