| 摘要 |
Front handle support means of a portable chain saw having a built-in internal combustion engine serving as a source of motive force includes a handle support arm connected to one lateral side of a machine frame and extending upwardly to support at its upper end one end of a handle pipe of a front handle. A projection is formed integrally at an upper end portion of the handle support arm and extends forwardly to support a hand guard. A plurality of shock absorbers are mounted on an inner side of the handle support arm to connect the internal combustion engine therethrough to the machine frame.
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