| 摘要 |
A binder apparatus including a replaceable outer cover. The outer cover is formed of a completely recyclable material such as paperboard to allow it to be recycled after it has been removed from the ring binder mechanism. The spine of the outer cover is releasably connected to a ring binder mechanism having hinged rings for holding papers and the like by a removable rivet assembly inserted through corresponding apertures in the spine and the ring binder mechanism. The removable rivet assembly includes a sleeve having a plurality of arms, and a pin having a shaft and a head. The shaft of the pin is inserted into the sleeve and holds the arms on the sleeve outward against the ring binder mechanism, thus securing the spine of the outer cover to the ring binder mechanism. The rivet assembly is inserted into the corresponding apertures in the spine and ring binder mechanism such that, when the rivet assembly is in place, the head of the pin contacts the spine of the outer cover.
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