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US 4,133,339 AGranted
Needle with deformable eye
AssigneeFloss Aid Corporation
InventorErik I. Naslund
Life of this patent
Estimating the term…
Abstract
A needle for leading dental floss or other fibrous material through narrow apertures. A curved substantially rigid needle is provided with an eye having resilient, deformable sides for temporary expansion of the eye for ease of threading and for temporary compression in passing through narrow apertures.
Claims16
A needle for leading dental floss and the like through narrow apertures comprising,
- a semi-rigid needle body having a rearward end defining an elongated eye between opposed resilient, deformable sides for temporary expansion and compression of the eye, said eye having a fixed forward and rearward radius between said opposed deformable sides, the combined maximum width of both of said deformable sides is less than twice the maximum width of the needle body apart from said eye.
A needle for leading dental floss and the like through narrow apertures comprising,
- a semi-rigid needle body having a pre-selected maximum body width, said body having a rearward end defining an eye between opposed, resilient deformable sides for temporary expansion and compression of the eye, said opposed deformable sides having thickness and width dimensions, the combined coplanar width of the two sides being less than the maximum body width of said needle.
Dependencies are inferred from the claim text.