Back to results
US 6,382,117 B2Granted
Sewing machine needle having a T-shaped shank
OwnerArivaldo Viera Cardoso, Luiz Carlos de Araujoinventors
Life of this patent
Estimating the term…
Abstract
A new disposition is introduced into the shank of a sewing machine needle defining a shank (1), a shoulder (2), a blade (3), a clearance above eye (4), an eye (5) and a point (6). The shank (1) presents two transverse sections forming a T-shaped profile according to the sections BB and CC, and the T-shaped profile defines a unique height (G2) along an extent (S5) of the shank (1), and a unique width (S4) on a line (C1) extending along an area of a section (T1) of the extent (S5) that is equal to a width (S4) on a line (C2) of another section of the extent (S5).
Claims5
A sewing machine needle, comprising:
- a shank (1) formed on one end of the needle;
- a shoulder (2) extending inwardly from the shank;
- a blade (3) formed on an opposite side of the shoulder relative to the shank;
- an eye (5) formed on the blade (3);
- a clearance (4) formed on an opposite side of blade relative to the shoulder;
- and
- a point (6) formed on the clearance (4),
- wherein the shank includes a first section (T1) adjacent to the end of the needle forming an approximately T-shaped profile including a first laterally-extending portion having a first outermost dimension (S4), and a second laterally-extending portion oriented transverse to the first laterally-extending portion and defining a second outermost dimension (G2), wherein the two laterally-extending portions form the T-shaped profile of the shank (1), and wherein the shank further defines a second section (BB, AA) spaced inwardly relative to the first section (T2) having an approximately circular peripheral surface and defining a third outermost dimension (S4) approximately equal to the first outermost dimension (S4) of the first laterally-extending portion of the T-shaped profile (T1).
5 more elements
Dependencies are inferred from the claim text.