Patent ID: 7798737
Filing Date: 2010-09-21
Classification: B42F,B42P

Abstract:
1. A binder mechanism, comprising: a base; a ring comprising a free end and a secured end, with the secured end being movably secured to the base; and a base connector for fastening the free end of the ring in a closed position, wherein the base connector comprises an aperture generally shaped to engage the free end of the ring to fasten the free end of the ring to the base connector and a portion of the base connector with the aperture is sloped with respect to the base; and wherein the secured end of the ring is pivotally connected to the base via a first pivotal connection permitting the ring to pivot between an upright open position and an upright closed position relative to the base connector, with the upright closed position permitting sheets to be held by the ring and with the upright open position permitting sheets to be added to the ring; and wherein the secured end of the ring is pivotally connected to the base via a second pivotal connection permitting the ring to pivot from a collapsed position into an upright position.