GB2076865A - Feed device for sewing machines - Google Patents
Feed device for sewing machines Download PDFInfo
- Publication number
- GB2076865A GB2076865A GB8102309A GB8102309A GB2076865A GB 2076865 A GB2076865 A GB 2076865A GB 8102309 A GB8102309 A GB 8102309A GB 8102309 A GB8102309 A GB 8102309A GB 2076865 A GB2076865 A GB 2076865A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pinion
- auxiliary
- sewing
- toe
- attachment
- 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.)
- Granted
Links
Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B27/00—Work-feeding means
- D05B27/10—Work-feeding means with rotary circular feed members
- D05B27/18—Feed cups
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
An attachment for a sewing machine to form puckers when sewing the toe or heel portion of a sock to the upper of footwear comprises braking means for an auxiliary pinion 1 mounted on a bracket A on the machine. In operation, the materials are fed between the normal feed pinion and the auxiliary pinion and means for braking the auxiliary pinion are actuated when sewing around a curve in order to take up surplus by causing puckering of the upper material. <IMAGE>
Description
SPECIFICATION
Feed device for sewing machines
This invention relates to an attachment for sewing
machines for the production of pleats or puckers in
the material and is particularly applicable for certain footwear sewing machines.
Pieces of material to be sewn together are adv
anced across the sewing machine by pinions and fed to the needle but it has been found that when sewing
around the toe or heel portion of footwear difficulty
is experienced in dealing with surplus upper mate
rial being attached to the sock of the shoe or slipper.
According to the invention an attachment to a
sewing machine for sewing the toe or heel portion of
a sock to a footwear upper comprises an auxiliary
feed pinion for mounting adjacent a feed pinion to
form a nip, and means for braking the auxiliary feed
pinion to cause pleating or puckering of the upper
material passing through the nip as the machine
sews around the toe or heel.
The invention also comprises a method for em
ploying the attachment by passing the material to be
sewn together through the nip between a feed
pinion and an adjacently mounted auxiliary pinion
and braking the auxiliary feed pinion to cause pleats
or puckers to be formed in the upper material around
the toe and heel portions.
A preferred embodiment of the present invention
will be described with reference to the drawings:
Figure lisa perspective view of the sewing
machine with the attachment in position;
Figure 2 is a plan of the toe end of a shoe or slipper
upper.
Figure 3 is a plan of the sewing machine with the
attachment in position.
Figure 4 is a side elevation looking in the direction
of the arrow shown on Figure 3.
A known footwear sewing machine has an arm or
bracket attachment A which carries a auxiliary feed
pinion mounted adjacent a feed pinion 2 on the
machine B to form a nip through which the material
to be sewn is fed, the auxiliary feed pinion being
mounted on the bracket. As shown in the drawings
the auxiliary feed pinion 1 is mounted on the bracket
A, by means of a spindle passing through a bore in
the bracket. A screw across a split in the bracket
between the bore and the bracket end provides for
clamping the spindle in position.
The auxiliary feed pinion 1 is provided with means
for the braking thereof. The pinion 1 is mounted
beneath a base plate 5 by means of a retaining nut 6.
A locking pin housing 7 extending upward from the
box plate 5 passes through the bore in the bracket A
and is clamped thereto.
A screw threaded locking spindle 3 passes through
the locking pin housing 7 to apply a brake (not
shown) to the auxiliary pinion 1 when the locking
spindle 3 is rocked by an operating lever 4 actuated
by an operator.
In operation the piece of footwear being-stitched is
fed across the needle 8 which reciprocates in a
horizontal plane beneath the looping arm 9. The
operator places the two layers of material to be stitched together between the two pinions with material of the upper B2 in contact with the feed pinion 2 mounted on the machine and material of the sock B1 in contact with the auxiliary pinion 1 mounted on the bracket, the machine is switched on, and sewing commences.
When it becomes necessary to sew around a curve, for example, around the toe or heel of the shoe or slipper, the operator actuates the operating lever 4 to apply the brake to the auxiliary pinion 1 between the points Y1 and Y2. The feed rate of the sock material B1 in contact with the auxiliary pinion 1 is thus considerably reduced, whereas the upper material B2 in contact with the feed pinion 2 continues to feed through in the normal manner and is caused to pleat or pucker. Pleating of the upper material continues as long as the brake is applied, and when the curve of the toe or heel has been traversed the operator releases the operating lever 4 which releases the brake 4 on the auxiliary pinion so that normal sewing is resumed.
1. An attachment to a sewing machine for sewing the toe or heel portion of a sock to a footwear upper comprising an auxiliary feed pinion mounted adjacent a feed pinion to form a nip, and means for braking the auxiliary feed pinion to cause pleating or puckering of the upper material passing through the nip as the machine sews around the toe or heel.
2. A method for the attachment of a sock to the upper of a shoe or slipper by a sewing machine comprising mounting an auxiliary pinion and braking means therefor on the machine passing the materials to be sewn together through the nip between a feed pinion and the adjacently mounted auxiliary pinion and braking the auxiliary feed pinion to cause pleats or puckers to be formed in the upper material around the toe or heel portion.
3. A method for the attachment of a sock to the upper of a shoe or slipper by a sewing machine substantially as hereinbefore described.
4. An attachment to a sewing machine substantially as described with reference to the accompanying drawings.
**WARNING** end of DESC field may overlap start of CLMS **.
Claims (4)
1. An attachment to a sewing machine for sewing the toe or heel portion of a sock to a footwear upper comprising an auxiliary feed pinion mounted adjacent a feed pinion to form a nip, and means for braking the auxiliary feed pinion to cause pleating or puckering of the upper material passing through the nip as the machine sews around the toe or heel.
2. A method for the attachment of a sock to the upper of a shoe or slipper by a sewing machine comprising mounting an auxiliary pinion and braking means therefor on the machine passing the materials to be sewn together through the nip between a feed pinion and the adjacently mounted auxiliary pinion and braking the auxiliary feed pinion to cause pleats or puckers to be formed in the upper material around the toe or heel portion.
3. A method for the attachment of a sock to the upper of a shoe or slipper by a sewing machine substantially as hereinbefore described.
4. An attachment to a sewing machine substantially as described with reference to the accompanying drawings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8102309A GB2076865B (en) | 1980-01-25 | 1981-01-26 | Feed device for sewing machines |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8002651 | 1980-01-25 | ||
| GB8102309A GB2076865B (en) | 1980-01-25 | 1981-01-26 | Feed device for sewing machines |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB2076865A true GB2076865A (en) | 1981-12-09 |
| GB2076865B GB2076865B (en) | 1983-03-30 |
Family
ID=26274287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8102309A Expired GB2076865B (en) | 1980-01-25 | 1981-01-26 | Feed device for sewing machines |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2076865B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3337876C1 (en) * | 1983-10-18 | 1985-01-03 | J. Strobel & Söhne - GmbH & Co, 8000 München | Overlock sewing machine |
| CN108085880A (en) * | 2016-11-21 | 2018-05-29 | 耐克创新有限合伙公司 | Pleating sewing machine and the method for operating sewing machine |
| CN113846433A (en) * | 2021-09-27 | 2021-12-28 | 浙江上格时装股份有限公司 | Fur machine with constant feeding amount |
-
1981
- 1981-01-26 GB GB8102309A patent/GB2076865B/en not_active Expired
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3337876C1 (en) * | 1983-10-18 | 1985-01-03 | J. Strobel & Söhne - GmbH & Co, 8000 München | Overlock sewing machine |
| US4583477A (en) * | 1983-10-18 | 1986-04-22 | J. Strobel & Sohne Gmbh & Co. | Overhand sewing machine with clutch-actuated conveying disk drive |
| CN108085880A (en) * | 2016-11-21 | 2018-05-29 | 耐克创新有限合伙公司 | Pleating sewing machine and the method for operating sewing machine |
| CN113089190A (en) * | 2016-11-21 | 2021-07-09 | 耐克创新有限合伙公司 | Pleating sewing machine and method for operating sewing machine |
| US11111617B2 (en) | 2016-11-21 | 2021-09-07 | Nike, Inc. | Gathering sewing machine and method |
| CN113089190B (en) * | 2016-11-21 | 2023-03-17 | 耐克创新有限合伙公司 | Pleating sewing machine and method for operating sewing machine |
| US11702781B2 (en) | 2016-11-21 | 2023-07-18 | Nike, Inc. | Gathering sewing machine and method |
| CN113846433A (en) * | 2021-09-27 | 2021-12-28 | 浙江上格时装股份有限公司 | Fur machine with constant feeding amount |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2076865B (en) | 1983-03-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee |