GB892898A - Improvements in sewing machines - Google Patents
Improvements in sewing machinesInfo
- Publication number
- GB892898A GB892898A GB3037359A GB3037359A GB892898A GB 892898 A GB892898 A GB 892898A GB 3037359 A GB3037359 A GB 3037359A GB 3037359 A GB3037359 A GB 3037359A GB 892898 A GB892898 A GB 892898A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bar
- block
- work
- presser
- needle
- 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
- D05B55/00—Needle holders; Needle bars
- D05B55/14—Needle-bar drives
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
892,898. Sewing machines. SANKEY & SONS Ltd., JOSEPH. Nov. 30, 1960 [Sept. 5, 1959], No. 30373/59. Class 112 In a sewing machine in which the needle bar is slidably mounted in a member so as to rock with the latter in a vertical plane, said member is carried by a slidable part which is adjustable between an upper position in which it rocks about an axis situated above the plane of the work support, and a lower position in which it rocks about an axis situated below the planes of the work support. A needle bar 8 is slidable in a block 10 and is driven by a crank 7 on the arm shaft 6 of the machine. Block 10 is formed with an arcuate rib 11 slidably disposed between a pair of arcuate ribs 12, 13 on a stationary block 38, whereby block 10 oscillates on reciprocation of the needle bar. A presser bar 16, slidable in block 10, is biased downwardly by a spring 18 and carries a presser foot 17. A bar 15 is pivoted at one end, at 22, to the machine frame, its other end is forked, as at 23 to straddle the presser foot 17, and it is biased upwardly by a spring 24. Bar 15 is connected by a link 31 to one arm 30 of a bell-crank lever pivoted at 28 to the presser bar. A pin 25 on the needle bar is adapted, during the upward stroke of the latter, to engage the other arm 26 of the bell-crank lever, whereby the presser bar is raised and bar 15 is lowered. End 23 thereby engages the work while the needle and the feeding presser foot 17 are disengaged therefrom. Block 38 may be raised or lowered by a lever 39, pivoted at 41 to the machine frame and biased upwardly by a spring 50, to position the centre of curvature of rib 11 either above the work for normal feeding, or below the work for reverse feeding. A block 47, formed with a notch, the respective edges 45, 46 are engageable by a pin 44 on lever 39, is movable horizontally by rack and pinion means 48, 49 to regulate the stitch length.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3037359A GB892898A (en) | 1959-09-05 | 1959-09-05 | Improvements in sewing machines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3037359A GB892898A (en) | 1959-09-05 | 1959-09-05 | Improvements in sewing machines |
Publications (1)
Publication Number | Publication Date |
---|---|
GB892898A true GB892898A (en) | 1962-04-04 |
Family
ID=10306643
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3037359A Expired GB892898A (en) | 1959-09-05 | 1959-09-05 | Improvements in sewing machines |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB892898A (en) |
-
1959
- 1959-09-05 GB GB3037359A patent/GB892898A/en not_active Expired
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