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US 4,791,875 AGranted
Needle guard for sewing machine
AssigneeUnion Special Corporation
InventorManfred Ackermann
Life of this patent
Estimating the term…
Abstract
A needle guard for sewing machines having a reciprocating needle, a looper, and a guard member portioned adjacent a lower end of the needle during reciprocation thereof. The guard member has a plurality of faces projecting a different distance towards the needle, and the guard has a device for selectively positioning one of the faces towards the needle.
Claims10
A needle guard for sewing machines, comprising:
- a reciprocating needle;
- a looper;
- a guard member positioned adjacent a lower end of the needle during reciprocation thereof, said guard member having a plurality of separate faces projecting a different distance towards the needle when selectively positioned to face the needle;
- and
- means for selectively positioning one of said faces towards the needle.
2 more elements
A needle guard for a sewing machine, comprising:
- a throat plate;
- a reciprocating needle;
- a looper;
- a guard member positioned on one side of the needle, said guard member having a plurality of faces for facing the needle;
- a shaft extending from a central portion of the guard member;
- and
- means for rotatably mounting the shaft in the sewing machine for selectively positioning a selected one of said faces towards the needle, with each of said faces projecting a different distance from the center of the shaft towards the needle.
4 more elements
Dependencies are inferred from the claim text.