JPH0330974U - - Google Patents
Info
- Publication number
- JPH0330974U JPH0330974U JP7998490U JP7998490U JPH0330974U JP H0330974 U JPH0330974 U JP H0330974U JP 7998490 U JP7998490 U JP 7998490U JP 7998490 U JP7998490 U JP 7998490U JP H0330974 U JPH0330974 U JP H0330974U
- Authority
- JP
- Japan
- Prior art keywords
- cutting blade
- thread
- moves
- sewing
- cutting
- 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
- 238000009958 sewing Methods 0.000 claims description 7
- 230000000284 resting effect Effects 0.000 claims 1
- 238000009966 trimming Methods 0.000 description 2
Landscapes
- Sewing Machines And Sewing (AREA)
Description
第１図はこの考案を具体化したミシンにおいて
特に糸切り装置部分を示す部分底面図、第２図は
その部分破断側面図、第３図は糸切り装置の作動
構成を示すミシンの部分底面図、第４図ａ〜第４
図ｅは糸切り装置の動作を順に示す部分拡大図で
ある。
図中、１８は第一の切断刃としての可動刃、１
９はロストモーシヨン連結部材としてのねじ、２
１は第二の切断刃としての静止刃、２２はロスト
モーシヨン連結部材としての長孔、２３は係止部
材としての掛止部材、２４は係止部材としてのば
ね、２７は解除部材としての継斜面、Ｙは縫糸で
ある。
Fig. 1 is a partial bottom view of a sewing machine that embodies this invention, particularly showing the thread trimming device, Fig. 2 is a partially cutaway side view thereof, and Fig. 3 is a partial bottom view of the sewing machine showing the operating configuration of the thread trimming device. , Figure 4a-4
Figure e is a partially enlarged view showing the operations of the thread cutting device in sequence. In the figure, 18 is a movable blade as a first cutting blade;
9 is a screw as a lost motion connecting member, 2
1 is a stationary blade as a second cutting blade, 22 is a long hole as a lost motion connecting member, 23 is a locking member as a locking member, 24 is a spring as a locking member, and 27 is a release member. Joint surface, Y is sewing thread.
Claims (1)
Ｙを補足する第一の切断刃１８と、休止位置から
針落下点に近接する作用位置に移動し、前記第一
の切断刃１８と協動して縫糸Ｙを切断する第二の
切断刃２１とを備えたミシンの糸切り装置におい
て、 前記第一の切断刃１８が糸捕捉位置に往動され
る途中において、第二の切断刃２１を第一の切断
刃１８に連結させて第二の切断刃２１を前記作用
位置に移動させるロストモーシヨン連結部材１９
，２２と、 前記第二の切断刃２１が前記作用位置に往動し
たときにその第二の切断刃２１と係合して第二の
切断刃２１を作用位置に位置決め固定し、前記休
止位置への移動を禁止する係止部材２３，２４，
２５と、 前記第一の切断刃１８に設けられ、捕捉された
縫糸Ｙの切断が行われた後、前記係止部材２３，
２４，２５に作用して第二の切断刃２１と係止部
材２３，２４，２５との係合を解除する解除部材
２７とを備えたことを特徴とするミシンの糸切り
装置。[Claims for Utility Model Registration] A first cutting blade 18 that reciprocates between a standby position and a thread catching position to capture the sewing thread Y, and a first cutting blade 18 that moves from a rest position to an operating position close to the needle drop point; In a sewing machine thread cutting device comprising a second cutting blade 21 that cooperates with the first cutting blade 18 to cut the sewing thread Y, the first cutting blade 18 is moved to a thread catching position. On the way, a lost motion connecting member 19 connects the second cutting blade 21 to the first cutting blade 18 and moves the second cutting blade 21 to the operating position.
, 22, and when the second cutting blade 21 moves forward to the working position, it engages with the second cutting blade 21 to position and fix the second cutting blade 21 in the working position, and returns to the resting position. Locking members 23, 24, which prohibit movement to
25, and the locking member 23, after the captured sewing thread Y is cut by the first cutting blade 18;
24, 25 to release the engagement between the second cutting blade 21 and the locking members 23, 24, 25.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7998490U JPH0330974U (en) | 1990-07-26 | 1990-07-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7998490U JPH0330974U (en) | 1990-07-26 | 1990-07-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0330974U true JPH0330974U (en) | 1991-03-26 |
Family
ID=31624639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7998490U Pending JPH0330974U (en) | 1990-07-26 | 1990-07-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0330974U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19719847B4 (en) * | 1996-05-11 | 2010-02-11 | Juki Corp., Chofu | Thread cutting device of a sewing machine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57200186A (en) * | 1981-06-02 | 1982-12-08 | Pegasus Sewing Machine Mfg Co | Yarn cutting apparatus of sewing machine |
-
1990
- 1990-07-26 JP JP7998490U patent/JPH0330974U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57200186A (en) * | 1981-06-02 | 1982-12-08 | Pegasus Sewing Machine Mfg Co | Yarn cutting apparatus of sewing machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19719847B4 (en) * | 1996-05-11 | 2010-02-11 | Juki Corp., Chofu | Thread cutting device of a sewing machine |
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