| 摘要 |
A locking device for a spline shaft of a brush cutter is disclosed. The brush cutter comprises the spline shaft installed in a shell and coupled with a driven bevel gear that is coupled with a drive bevel gear, which is linked to a power device. The locking device comprises a collar having a notch and fixed on the spline shaft. The shell has a stub tube facing to the notch. A spring and a pin are received in the stub tube in such a way that the pin is inserted through the spring and the spring acts on the pin. When a cutting tool is to be assembled to or disassembled from the spline shaft, it is only needed to push the pin into the notch of the collar to restrain the spline shaft from rotating. Accordingly, the cutting tool can be assembled or disassembled in safe and convenient.
|
