Presser foot for sewing machine

Patent metadata

Field	Value
Publication number	US-9631307-B2
Application number	US-201514972452-A
Country	US
Kind code	B2
Filing date	Dec 17, 2015
Priority date	Mar 6, 2015
Publication date	Apr 25, 2017
Grant date	Apr 25, 2017

Abstract

A presser foot for a sewing machine includes: a presser main body having an opening in which an upper feed dog is to be arranged, and configured to press a cloth; a rotational shaft connected to an upper feed mechanism of the sewing machine; a guide base provided to the presser main body so as to form a single unit, and configured to guide a ribbon; right and left guides configured as a pair of members provided such that they can be relatively moved with respect to the guide base, and to guide a position of the ribbon in the width direction, and arranged symmetrically with a position at which a sewing needle moves in a vertical direction as a base position; and an adjustment screw, right and left guide bushes, configured as a linking portion that links the movements of the right and left guides.

First claim

What is claimed is:

1. A presser foot for a sewing machine comprising:
a presser main body that has an opening in which an upper feed dog is arranged, and that presses a sewing target object;
a connection portion that is connected to an upper feed mechanism of the sewing machine;
a guide base attached to the presser main body so as to form a single unit, and configured to guide a band-shaped member to be sewn to the sewing target object;
guide members configured as a pair of members that move relative to the guide base, that guide a position of the band-shaped member in a width direction, and that are arranged symmetrically with a position at which a sewing needle moves in a vertical direction as a base position; and
a linking portion that links movements of the guide members such that they are positioned symmetrically at all times with respect to the base position.

2. The presser foot for a sewing machine according to claim 1 , wherein the linking portion comprises:
a male screw member configured such that a right male screw is formed in one end thereof, and such that a left male screw is formed in the other end thereof;
a right female screw provided to one of the guide members, and configured to be joined to the right male screw; and
a left female screw provided to the other one of the guide members, and configured to be joined to the left male screw.

3. The presser foot for a sewing machine according to claim 2 , wherein the right female screw and the left female screw are each configured as a component separate from the guide members as a separate female screw member,
and wherein each female screw member is applied to the corresponding guide member so as to form a single unit, thereby providing the right female screw and the left female screw to the corresponding guide members.

4. The presser foot for a sewing machine according to claim 1 , wherein the presser main body is connected to a presser unit mounted to a presser rod included in the sewing machine having an upper feed mechanism,
and wherein the presser unit is configured to be detachably mounted to the presser rod.

5. The presser foot for a sewing machine according to claim 2 , wherein the presser main body is connected to a presser unit mounted to a presser rod included in the sewing machine having an upper feed mechanism,
and wherein the presser unit is configured to be detachably mounted to the presser rod.

6. The presser foot for a sewing machine according to claim 3 , wherein the presser main body is connected to a presser unit mounted to a presser rod included in the sewing machine having an upper feed mechanism,
and wherein the presser unit is configured to be detachably mounted to the presser rod.

Assignees

• Janome Sewing Machine Co Ltd

Inventors

• Shomura Eiichi

Classifications

• D05B29/08 Primary

  comprising relatively-movable parts · CPC title

• D05B35/06

  for attaching bands, ribbons, strips, or tapes or for binding · CPC title