| 摘要 |
A sturdy, virtually indestructible mailbox is presented comprising a thick-gauged cylindrical mailbox shell, a top pipe stem, a middle resilient spring stem and a bottom anchor post pipe stem having a circular driving auger. The shell and stems are connected by means of horizontal holes in the pieces through which are inserted first, second and third attaching bolts. The inside of the mailbox shell includes a perforated horizontal letter tray and a spring-ball latch mechanism that contacts an inner horizontal door flange for latching the door of the mailbox.
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