Ring binder
AssigneeWorld Wide Stationery Manufacturing Company Limited
InventorChun Yuen To
Life of this patent
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Abstract
A ring binder adapted to be secured to an article by at least one integral rivet, the ring binder comprising a substantially rigid integral upper plate supporting a pair of pivotable lower plates to which a plurality of ring members are mounted, the rivet comprising (1) a barrel that is in direct engagement with the upper plate and (2) a plurality of claws for securing the article, wherein at least 75% of said claws extend away from a longitudinal axis of the barrel. Also disclosed is a rivet adapted to secure a ring binder to an article, the rivet comprising (1) a barrel for engaging the ring binder and (2) a plurality of claws for securing the article, wherein at least a majority of the claws generally extend away from a longitudinal axis of the barrel.
Claims17
A ring binder adapted to be secured to a base member, the ring binder comprising
- a substantially rigid integral upper structure;
- a pivotable lower structure supported by said upper structure;
- a plurality of ring members mounted to said lower structure;
- and
- at least one integral securing means for securing said ring binder to said base member, said at least one securing means including
- an engagement portion in direct engagement with the upper structure for attaching said securing means to said upper structure;
- and
- a plurality of securing elements for securing said ring binder to the base member, at least 75% of said elements extending away from a longitudinal axis of the engagement portion.
Dependencies are inferred from the claim text.