Importance

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Abstract

A rotary fastener includes a mounting base member including an inner barrel and an outer barrel fixedly fastened together, a fastening device including a spring-loaded pin member inserted through the mounting base member and a head member affixed to the pin member outside the mounting base member, an operating cap member fixedly mounted with the head member and rotatable relative to the mounting base member between an upper-limit position and a lower-limit position to move the pin member in and out of the bottom side of the mounting base member between a locking position and an unlocking position, and a guide track unit for guiding movement of the operating cap member relative to the mounting base member between the upper-limit position and the lower-limit position upon a rotary motion.

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First Claim