限位滑块的尾端装有弹簧，插销的顶部装有连接杆。
The tail end of the spacing sliding block is provided with springs. The top of the latch is provided with a link bar.
滑块由轮辐从中间穿入并沿轮辐径向滑动，副轴和滑块之间用链杆连接。
The spokes are inserted through the center of a sliding block and the sliding block slides along the spokes radially. The secondary shaft and the sliding block are connected by a chain bar.
滑块由轮辐从中间穿入并沿轮辐径向滑动，副轴和滑块之间用链杆连接。
The spokes are inserted through the center of a sliding block and the sliding block slides along the spokes radially. The secondary shaft and the sliding block are connected by a chain bar.
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