The present invention relates to an arrangement in connection with a control device (1) particularly used for controlling a forestry machine and a boom thereof. The control device comprises a frame section (5), a handle (2) attached pivotally thereto, operating switches (3) at the handle and a control...http://www.google.de/patents/US6644141?utm_source=gb-gplus-sharePatent US6644141 - Arrangement in connection with control device