| 摘要 |
A power transmission system wherein drive power is transmitted from a drive source to an auger transmission for rotating an auger, and a snow blower is provided. An overload protecting mechanism is located between the snow blower and the auger transmission, thereby absorbing overload to be exerted on a power delivery path between the drive shaft and the auger transmission. Thus, snow-removing operation is not interrupted even when the power delivery path encounters overload. The overload protecting mechanism may comprise, for example, either a friction coupling employing a plurality of friction plates or a rubber coupling employing cushion rubbers. The overload protecting mechanism is located in a large space between the auger transmission and the snow blower, allowing existing space to be effectively utilized.
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