MANUALLY OPERATED WORKING MACHINE
PROBLEM TO BE SOLVED: To provide a manually operated working machine which can satisfactorily start and which is excellent in exhaust emission value during operation. SOLUTION: The manually operated working machine is provided with an internal combustion engine 9 and a start device 8 for the interna...
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a manually operated working machine which can satisfactorily start and which is excellent in exhaust emission value during operation. SOLUTION: The manually operated working machine is provided with an internal combustion engine 9 and a start device 8 for the internal combustion engine. At least one recess part is provided in a cylinder bore 26 of the internal combustion engine. The recess part bridges at least one piston ring 37, 38 at least at one position of a piston 10, and keeps interval n, o, p with all working holes of the internal combustion engine 9 formed in the cylinder bore 26. COPYRIGHT: (C)2009,JPO&INPIT |
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