| 摘要 |
The present invention is directed to a rural mailbox which has a staff in the solid flag of the conventional type, which flag is rotatably located on the side of the mailbox and can be set in a horizontal or vertical position. The present invention improvement involves an extension signal device which is attached directly to the solid flag. This signal extension device includes a rod which has an upper section and a lower section, with the lower section being threaded, a signal attached to the upper section of the rod, and, a first clamping member and a second clamping member. Both the first clamping member and the second clamping member are located at the lower section of the rod with the first clamping member extended from the rod and clamping over the top edge of the solid flag and with the second clamping member being removably attached to the rod and extending from the rod and clamping over the bottom edge of the solid flag.
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