Sewing apparatus
US-12559874-B2 · Feb 24, 2026 · US
Sewing machine
US9340911B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9340911-B2 |
| Application number | US-201313790618-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 8, 2013 |
| Priority date | Mar 28, 2012 |
| Publication date | May 17, 2016 |
| Grant date | May 17, 2016 |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
A sewing machine includes a needle bar base, a support shaft, an adjustment member, and an urging portion. The needle bar base has a through hole on an upper end portion. The support shaft is inserted through the through hole and pivotably supports the needle bar base. The support shaft includes a leading end portion. The leading end portion includes a first screw portion. The adjustment member is provided on the support shaft and is configured to move along an axial direction of the support shaft. The adjustment member includes a second screw portion and a first contact portion. The second screw portion is screwed into the first screw portion. The first contact portion is in contact with the needle bar base. The urging portion urges the needle bar base toward the first contact portion of the adjustment member.
First claim
Opening claim text (preview).
What is claimed is: 1. A sewing machine comprising: a needle bar base that supports a needle bar such that the needle bar can move in an up-down direction, and which has a through hole on an upper end portion; a support shaft that is inserted through the through hole and that pivotably supports the needle bar base, the support shaft including a leading end portion, and the leading end portion including a first screw portion; a disk-shaped adjustment member that is provided on the support shaft and that is configured to move along an axial direction of the support shaft, the adjustment member including a second screw portion and a first contact portion, the second screw portion being disposed in the center of the adjustment member, the second screw portion being screwed into the first screw portion, the first contact portion being in contact with the needle bar base, the adjustment member including, on an outer peripheral surface, a plurality of protruding portions along a peripheral direction, and the plurality of protruding portions protruding outward in a radial direction of the adjustment member; a plate spring regulating portion that regulates rotation of the second screw portion of the adjustment member, the regulating member including a second contact portion that is urged inward in the radial direction of the adjustment member and that is in contact with the outer peripheral surface; and an urging portion that urges the needle bar base toward the first contact portion of the adjustment member. 2. The sewing machine according to claim 1 , wherein the urging portion is a compression coil spring that is mounted around an outer periphery of the support shaft.
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Frequently asked questions
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- What does patent US9340911B2 cover?
- A sewing machine includes a needle bar base, a support shaft, an adjustment member, and an urging portion. The needle bar base has a through hole on an upper end portion. The support shaft is inserted through the through hole and pivotably supports the needle bar base. The support shaft includes a leading end portion. The leading end portion includes a first screw portion. The adjustment member…
- Who is the assignee on this patent?
- Hasegawa Katsuhisa, Ota Shin, Mizuno Kenichi, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification D05B55/00. Mapped technology areas include Textiles & Paper.
- When was this patent published?
- Publication date Tue May 17 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).