Bush cutter with a versatile operating rod
US8695223B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 6, 2009 |
| Grant date | Apr 15, 2014 |
| Priority date | — |
| Expiry date | Nov 7, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01D34/90
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A bush cutter comprises an operating rod, a cutting unit, a main unit and a transfer shaft. The cutting unit is disposed at a front end of the operating rod and rotatably supports a cutting blade. The main unit is disposed at a rear end of the operating rod and houses a motor that drives the cutting blade. The transfer shaft is disposed within the operating rod and transfer output torque of the motor from the main unit to the cutting unit. An adapter is fixed to the rear end of the operating rod and the main unit is provided with a rod insertion hole configured to receive the rear end of the operating rod with the adapter fixed. This configuration may prevent the operating rod, which has versatility, from being erroneously assembled.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.