| 20110120968 | Method for Controlling a Hoisting or Paying Out Movement and Hoisting Frame Having Tiltable Cable Shreave for Use Therein - A method for controlling a hoisting or lowering movement of a load, which is suspended from a hoisting mechanism of a crane by means of at least two hoisting cables trained round cable sheaves on the load, by monitoring the position of the load and braking and/or stopping the hoisting mechanism upon detection of an undesirable position, wherein the cable sheaves are each connected to the load for pivoting about a horizontal axis, and the position of the load is monitored by detecting a pivoting movement of at least one of the cable sheaves. | 05-26-2011 |
