| 摘要 |
PROBLEM TO BE SOLVED: To provide a bush cutting head for a cord type bush cutter capable of delivering a cord automatically up to a predetermined length without damaging a component even when the length of the cord is shortened extremely at one time during work.SOLUTION: Stoppers 10 having locking claws 12 at tip parts 10a are supported pivotally and rotatably to a lid 2. A circular outer peripheral surface 23 having a plurality of locking faces 24, which are locked with the locking claws 12 and rotate a case 20 integrally with a cord holder 30 and the lid 2, is formed in the case 20. In the case 20, a protrusive steak 25 for guiding projections 13 provided in rear end parts 10b of the stoppers 10 and moving the locking claws 12 along the outer peripheral surface 23 is provided at the inner side of the outer peripheral surface 23.SELECTED DRAWING: Figure 2 |
