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US 6,332,416 B1Granted
Sewing machine needle having means for improved loop formation
AssigneeGroz-Beckert KG
InventorsHans-Kurt Wohnhas, Bernd Hillenbrand, Gerd Horn
Life of this patent
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Abstract
A needle for introducing a thread into or through a fabric includes an elongated needle blade having a longitudinal axis; a needle point; and an eye traversing the needle blade at an acute angle to the longitudinal axis. The needle eye has an inlet and an outlet situated on opposite sides of the needle blade. The needle further has a protuberance formed on the needle blade. The protuberance adjoins the eye outlet and projects laterally away from the needle blade.
Claims25
A needle for introducing a thread into a fabric, comprising
- (a) an elongated needle blade having a longitudinal axis and an outermost needle blade surface;
- (b) a needle point;
- (c) an eye traversing said needle blade at an acute angle to said longitudinal axis;
- said eye having an inlet and an outlet situated on opposite sides of said needle blade;
- and
- (d) a protuberance formed on said needle blade;
- said protuberance adjoining said outlet and projecting laterally outward from said outermost needle blade surface.
4 more elements
Dependencies are inferred from the claim text.