The tail end of the spacing sliding block is provided with springs. The top of the latch is provided with a link bar.
限位滑块的尾端装有弹簧，插销的顶部装有连接杆。
The ratchet pawl is arranged on the spacing sliding block with a ratchet pawl pin. The spacing sliding block can move in the horizontal chute.
棘爪用棘爪销子安装在限位滑块上，限位滑块可在水平滑槽中运动。
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