| 摘要 |
A rail module has a leaf spring, an inner rail, an inner block and an outer housing. A leaf spring has assembly holes in one end thereof. An inner rail is a hollow parallel pipe with three major walls; one end of the inner rail has a chamber for the leaf spring. The chamber has a gap for installing the leaf spring. An inner block has assembly pins to fit into assembly holes. An outer housing is employed to dock with the inner rail and to connect with the inner block. While the rail module operates, a friction force between the inner rail and the inner block plus a load balance a pull force of the leaf spring.
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