Patent · US Active

Sewing machine needle having a recess

US12325940B2 · kind B2 · utility

0Cited by

0References

15Claims

0Family size

Assignee

GROZ-BECKERT KG · DE

Inventors

Kai Uwe Haug · Nusplingen, DE
Bernd Hillenbrand · Albstadt, DE
Florian Perotti · Veringenstadt, DE

Key dates

Filing date	Nov 17, 2021
Grant date	Jun 10, 2025
Priority date	—
Expiry date	Nov 17, 2041

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB21G1/04
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A sewing machine needle (1) is described, which reduces the friction between the blade (2) of the sewing machine needle (1) and the fabric and which can be manufactured economically in large numbers. The sewing machine needle (1) includes a needle eye (3) and at least one recess (5), wherein the distance between an upper edge (6) of the recess (5) and the lateral position of the axis (12) of the needle eye (3) differs from the distance between a lower edge (7) of the recess (5) and the lateral position of the axis (12) of the needle eye (3).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.