| 摘要 |
A releasable key arrangement for an edgeboard connector includes a support member having a bore extending completely through the support member. A polarizing key is mountable to the support member. A threaded retaining member is normally mounted in the key and threadedly connectible to the support member to connect the key thereto. Threads on the retaining member are short enough in the axial direction to be disposed externally of the key when the key has been connected to the support member. Alternatively, the retaining member can be rotatably mounted within the support member and constrained against axial movement, and is threadedly securable to the key. A leader pin and leader bushing are connectible to the connectors to assure proper alignment of contact elements during initial testing. The leader pin is automatically adjustable to a position of alignment with the leader bushing in response to initial connection of the connectors and is then fixed in place to maintain such position of alignment to facilitate subsequent reconnection of the connectors.
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