GB236844A - Buttonhole sewing machine - Google Patents
Buttonhole sewing machineInfo
- Publication number
- GB236844A GB236844A GB3368/25A GB336825A GB236844A GB 236844 A GB236844 A GB 236844A GB 3368/25 A GB3368/25 A GB 3368/25A GB 336825 A GB336825 A GB 336825A GB 236844 A GB236844 A GB 236844A
- Authority
- GB
- United Kingdom
- Prior art keywords
- button
- hole
- wheel
- sewing
- stitching
- 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.)
- Expired
Links
Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B3/00—Sewing apparatus or machines with mechanism for lateral movement of the needle or the work or both for making ornamental pattern seams, for sewing buttonholes, for reinforcing openings, or for fastening articles, e.g. buttons, by sewing
- D05B3/06—Sewing apparatus or machines with mechanism for lateral movement of the needle or the work or both for making ornamental pattern seams, for sewing buttonholes, for reinforcing openings, or for fastening articles, e.g. buttons, by sewing for sewing buttonholes
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
236,844. Singer Manufacturing Co., (Assignees of Allen, E. B.). Oct. 9, 1924, [Convention date]. Button-hole sewing-machines. - A device is provided for moving the feedwheel suddenly through a part of its revolution while the stitching mechanism is still in operation, so that, according to the particular arrangement chosen, the stitches may be spaced widely apart, the button-hole may be turned through 90 between stitches to produce a straight button-hole with a bar or 180 to produce a straight button-hole without a bar. The machine is described as applied to a machine of the type described in Specification 183,873. The feeding of the work is controlled by a feed-wheel 16 and a synchronously moving pattern wheel 35, means being provided to transfer the control of the side-shifting movements of the work-clamp from the wheel 35 to the wheel 16 during the sewing of the eyeletend of the button-hole.. The wheels 16, 35 are driven by a star-wheel moved step-by-step by a shaft 17 geared to the sewing shaft and interposed in the driving connections are a ratchet and pawl device 43, 44 which allow the wheels 16, 35 to be driven temporarily at a. greater speed than they would by the star-wheel. Rapid feed mechanism of known type is provided. A crank disc 82 having a slot in which is fitted the head of a crank-pin 85 is driven by the sewing shaft 19, and continuously oscillates a pawl 88, the end of which rests on a toothed ring 90 mounted on the pattern wheel 35. In the arrangement described the ring 90 has a single tooth 91. As the pattern wheel rotates the pawl 88 reciprocates idly upon it until the tooth 91 is reached, when it gives the pattern wheel a sudden movement forward, this point coinciding with a point in the button-hole where it is desired to turn the stitching abruptly through a 90 or 180 to produoe a bar or to commence the stitching of the other side of the button-hole without stopping the machine. By employing a ring 90 with a number of teeth the spacing of the stitches around the eye of a button-hole may be increased. Specifications 179,278 and 197,463 are referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US742507A US1565241A (en) | 1924-10-09 | 1924-10-09 | Buttonhole-sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB236844A true GB236844A (en) | 1925-07-16 |
Family
ID=24985100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3368/25A Expired GB236844A (en) | 1924-10-09 | 1925-02-06 | Buttonhole sewing machine |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US1565241A (en) |
| DE (1) | DE451880C (en) |
| GB (1) | GB236844A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE692403A (en) * | 1966-01-14 | 1967-06-16 | ||
| CS201643B1 (en) * | 1977-12-30 | 1980-11-28 | Frantisek Bajer | Buttonhole sewing machine |
-
1924
- 1924-10-09 US US742507A patent/US1565241A/en not_active Expired - Lifetime
- 1924-12-30 DE DES68243D patent/DE451880C/en not_active Expired
-
1925
- 1925-02-06 GB GB3368/25A patent/GB236844A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE451880C (en) | 1927-11-03 |
| US1565241A (en) | 1925-12-15 |
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