Ring binder assembly device to insure the perfected closure of binder rings
OwnerJohn William Englandinventor
Life of this patent
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Abstract
The invention provides a ring binder assembly device to insure the perfected closure of loose leaf binder rings. Enclosure of binder rings with the device of the invention will repair and prevent ring misalignment.
Claims10
A kit for providing uniform engagement of mating portions of a ring binder assembly, each mating portion of said ring binder assembly having a length and a circumference comprising;
- a first engagement element constructed and arranged for juxtaposed circumferential engagement about the entire length of a first mating portion of said ring binder assembly;
- a second engagement element constructed and arranged for juxtaposed circumferential engagement about the entire length of a second mating portion of said ring binder assembly;
- each of said first and second engagement elements being of a length and configuration to insure axial alignment of said mating portions upon closure of said ring binder assembly.
The kit as in any one of the proceeding claims, in which, said first and second engagement elements are sized for use with binder rings selected from the group of diameters consisting of a half inch, one inch, one and a half inches, two inches, three inches, four inches and five inches.
Dependencies are inferred from the claim text.