| 摘要 |
A fastener attached to a first member releasably connects the first member to a second member. The fastener can have a head that moves towards or away from a housing that is separate from, or part of, the first member. A linkage assembly has linkage arm(s) extending from the head to the housing, or to the first member, and the fastener can be pivotally connected at a first end to the housing, or to the first member, and also to the head at a second end. Each linkage arm can define a joint located between the first and second ends. When unfastened, the head can be positioned away from the housing, extending each linkage arm. When fastened, the head may be positioned towards the housing, whereby the joint of each linkage arm can become displaced laterally in the fastener, e.g., connecting the second member to the first member.
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