| Patent application number | Description | Published |
|---|
| 20100193458 | Controller for an Adjustable Jib Extension of a Mobile Crane - The invention relates to a controller for an adjustable jib extension of a mobile crane, comprising a telescoping main jib and a jib extension placed thereon, the luffing angle of the extension being adjustable by way of a luffing winch or a piston-cylinder unit. For this purpose, the actuation of the winch moving the luffer or of the piston-cylinder unit is carried out via a control circuit such that during the extension and/or retraction of the telescoping jib, or when changing the angle of the main jib with respect to the horizontal, the angle of the luffer with respect to the telescoping main jib and/or the horizontal remains constant or changes to a predefined extent. | 08-05-2010 |
| 20120037585 | MONITORING AND ALARM DEVICE FOR CONSTRUCTION MACHINERY - The invention relates to a monitoring and alarm device for construction machinery having long and heavy booms, such as cranes, in particular mobile cranes, is characterized in that a monitor system is provided, which monitors parameters that may change in case of an undesired lowering of the boom or of boom sections in a non-operating condition, and triggers an optical and/acoustic and/or wireless alarm system if the parameters change. | 02-16-2012 |
| 20150128735 | DRIVE FOR A SLIDING CONNECTING MEMBER OF A LOCKING SYSTEM OF A TELESCOPIC SYSTEM OF A CRANE JIB - A drive of a sliding connecting member of a locking system of a telescopic system, having a telescopic cylinder ( | 05-14-2015 |
