SPEED CHANGE STRUCTURE FOR WALKING WORKING MACHINE

摘要

PURPOSE: To eliminate troublesome operation between main speed change and subsidiary speed change in a speed change structure for a walking working machine equipped with a main speed changer and a subsidiary speed changer. ;CONSTITUTION: A main speed change lever 7 and a subsidiary speed change shaft 6 are linked together via a link mechanism 8 which rotates the subsidiary speed change shaft 6 around its shaft center with the oscillation of the main speed change lever 7 around a lateral shaft center X₁, and a cum mechanism is provided between the subsidiary speed change shaft 6 and a shift fork externally mounted on the subsidiary speed change shaft 6 to slide the shift fork with the rotation of the subsidiary speed change shaft 6.;COPYRIGHT: (C)1995,JPO