Plastic bobbin basket with needle guard plate
AssigneeBakron Corp.
InventorPaul Badillo
Life of this patent
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Abstract
A horizontal lock-stitch bobbin basket includes a cylindrical side wall, a laterally extending flange formed at the top of the side wall, and a rotation restraining notch formed in the top face of the flange. An elongated bore is defined by the side wall adjacent the restraining notch to provide for needle clearance. The bobbin basket is made of plastic and includes a needle guarding member the (1) protects the area of the bobbin basket adjacent to the bore from being accidentally damaged by the needle of a sewing machine, and (2) deflects the needle into the elongated bore.
Claims11
A horizontal lock-stitch bobbin basket comprising a cylindrical side wall, a laterally extending flange on the top of said side wall, a rotation restraining notch formed in the top face of said flange, and a needle-receiving opening or bore in said side wall adjacent said restraining notch to provide for needle clearance, characterized in that said bobbin basket including said side wall is integrally formed of plastic and there is provided needle guarding means in the form of a plate positioned adjacent said bore and secured to said basket side wall for protecting said basket side wall from impact in that the needle of a sewing machine incorporating said bobbin basket does not penetrate into said opening but is directed toward the area of said bobbin basket side wall adjacent to said bore,
- whereby said needle guarding means will protect said area of said bobbin basket sidewall adjacent to said bore from being damaged by said needle and will guide said needle into said bore.
Dependencies are inferred from the claim text.