Sewing thread cutting device with thread retention apparatus
AssigneeMefina S.A.
InventorsMarcel Fresard, Jakob Jentschmann
Life of this patent
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Abstract
A thread-cutting device comprises a rod provided with a head portion defining an inner circular stop having a cutting edge, each side of which interfaces a slider member, the slider members being concentrically mounted on the rod. A thread introduced between the head and the end of the slider member in contact with the head is retained between the head and the end of the slider member while it passes over the stop and is cut.
Claims13
A sewing thread cutting device with thread retention, comprising a rod, said rod comprising a body portion and a head portion, said head portion having a major surface facing said rod, a substantially circular stop member having a cutting edge provided on said major surface of said head portion, a first slider member mounted on said rod and a second slider member mounted on said first slider member, each said slider members having a bearing surface bearing against said head portion of the rod, said substantially circular stop member being disposed between said bearing surface of said first slider member and said bearing surface of said second slider member, said first slider member having an outwardly facing surface and said second slider member having an inwardly facing surface, said outwardly facing surface and said inwardly facing surface jointly defining a substantially annular housing, said substantially circular stop member projecting into said housing.
Dependencies are inferred from the claim text.