| 摘要 |
A rotary mowing implement including a rotary cutter bar disk, at least one hub, a blade element, a pin, and a pin retaining mechanism. The at least one hub is connected to the rotary cutter bar disk. The blade element has a hole therein. The pin couples the blade element to the hub. The pin is insertable through the hole and is removably coupled to the hub. The pin retaining mechanism couples the pin to the hub.
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