JPS6315969U - - Google Patents
Info
- Publication number
- JPS6315969U JPS6315969U JP10734586U JP10734586U JPS6315969U JP S6315969 U JPS6315969 U JP S6315969U JP 10734586 U JP10734586 U JP 10734586U JP 10734586 U JP10734586 U JP 10734586U JP S6315969 U JPS6315969 U JP S6315969U
- Authority
- JP
- Japan
- Prior art keywords
- hook
- chrome plating
- hard chrome
- plating layer
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 3
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims description 2
- 238000009958 sewing Methods 0.000 claims 1
Landscapes
- Sewing Machines And Sewing (AREA)
Description
第1図は本考案の一実施例の平面図、第2図は
内かま3の軌帯7が外かま1の軌溝8に嵌合した
状態を示す拡大断面図、第3図は外かまの表面の
一部の拡大断面図である。
1……外かま、2……外かまの軸、3……内か
ま、4……内かま抑え、5……外かまの剣先、6
……内かま回止め突起、7……軌帯、8……軌溝
、9……硬化層、10……硬質クロムメツキ層、
11……窒化チタン層、12……浸炭硬化層、1
3……硬化層。
Fig. 1 is a plan view of one embodiment of the present invention, Fig. 2 is an enlarged sectional view showing the state in which the raceway 7 of the inner hook 3 is fitted into the raceway groove 8 of the outer hook 1, and Fig. 3 is an enlarged sectional view of the outer hook 3. FIG. 2 is an enlarged cross-sectional view of a part of the surface of 1...Outer hook, 2...Shaft of outer hook, 3...Inner hook, 4...Inner hook holding down, 5...Tip of outer hook, 6
... Inner rotary rotary locking protrusion, 7 ... Raceway, 8 ... Raceway groove, 9 ... Hardened layer, 10 ... Hard chrome plating layer,
11...Titanium nitride layer, 12...Carburized hardened layer, 1
3...Hardened layer.
Claims (1)
表面に硬質クロムメツキ層を形成し、その硬質ク
ロムメツキ層上に窒化チタン層を形成したことを
特徴とするミシンの全回転かま。 A full-rotation hook for a sewing machine, characterized in that a hard chrome plating layer is formed on the surface of at least one of the outer hook and the inner hook, and a titanium nitride layer is formed on the hard chrome plating layer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10734586U JPS6315969U (en) | 1986-07-11 | 1986-07-11 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10734586U JPS6315969U (en) | 1986-07-11 | 1986-07-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6315969U true JPS6315969U (en) | 1988-02-02 |
Family
ID=30983543
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10734586U Pending JPS6315969U (en) | 1986-07-11 | 1986-07-11 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6315969U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06261990A (en) * | 1993-03-12 | 1994-09-20 | Hirose Mfg Co Ltd | Parts of sewing machine |
-
1986
- 1986-07-11 JP JP10734586U patent/JPS6315969U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06261990A (en) * | 1993-03-12 | 1994-09-20 | Hirose Mfg Co Ltd | Parts of sewing machine |