GB671994A - Improvements in looper locking and adjusting means for sewing machines - Google Patents
Improvements in looper locking and adjusting means for sewing machinesInfo
- Publication number
- GB671994A GB671994A GB2458750A GB2458750A GB671994A GB 671994 A GB671994 A GB 671994A GB 2458750 A GB2458750 A GB 2458750A GB 2458750 A GB2458750 A GB 2458750A GB 671994 A GB671994 A GB 671994A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lever
- looper
- screw
- carrier
- loopers
- 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
- D05B57/00—Loop takers, e.g. loopers
- D05B57/02—Loop takers, e.g. loopers for chain-stitch sewing machines, e.g. oscillating
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
671,994. Sewing-machines. WILLCOX & GIBBS SEWING MACHINE CO., Ltd. (Willcox & Gibbs Sewing Machine Co.). Oct. 9, 1950, No. 24587/50. Class 112. Chain-stitching with eyed needles.-In a machine in which a looper is mounted on a lever suitably actuated, the looper is secured to a carrier pivoted on the lever and provided with means for moving it relatively to the lever for adjustment of the looper relatively to the needle, the carrier being normally locked in operating position on the lever. In the embodiment shown, for a multi-needle feed-off-the-arm machine, a set of loopers 37 are clamped between upstanding arms 36 of a carrier 35 which is pivoted at 34 on the lever 18 so that it can be swung out of operative position for easy threading of the loopers and the thread guide 39 also secured to the carrier; the carrier is normally held in operative position by a spring-pressed sliding latch-bolt, with a finger-piece 42, engaging an aperture 43 in a plate 44 which is clamped to the end of the looper lever 18 by a screw 52. The lever 18 is mounted on a sliding pivot at its centre, and is actuated through a crank by a pair of similar levers at right-angles to one another so that its looper-carrying end moves in an elliptical path as shown; longitudinal adjustment of the loopers is obtained by adjustment of the pivot of one of the operating levers. To permit lateral adjustment of the loopers, the latch plate 44 is mounted to slide laterally across the end of the lever 18, the aperture for the screw 52 being elongated accordingly, and it has a forked extension 54 engaging a reduced part of a screw 56 threaded into the lever 18 and thus serving to adjust the plate 44. Access to the screw 52 is obtained through an aperture in the end of the work-arm of the machine, and to the screw 56 through the usual sliding cover plate on the front side of the arm. A loop-spreader lever is actuated by a cam track 62 on the lever 18. U.S.A. Specification 1,041,652 is referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2458750A GB671994A (en) | 1950-10-09 | 1950-10-09 | Improvements in looper locking and adjusting means for sewing machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2458750A GB671994A (en) | 1950-10-09 | 1950-10-09 | Improvements in looper locking and adjusting means for sewing machines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB671994A true GB671994A (en) | 1952-05-14 |
Family
ID=10214006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2458750A Expired GB671994A (en) | 1950-10-09 | 1950-10-09 | Improvements in looper locking and adjusting means for sewing machines |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB671994A (en) |
-
1950
- 1950-10-09 GB GB2458750A patent/GB671994A/en not_active Expired
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2920593A (en) | Sewing machine throat-plate mechanisms | |
| GB493628A (en) | Improvements in or relating to sewing machines | |
| GB532229A (en) | Thread-controlling mechanism for overedge sewing machines | |
| GB671994A (en) | Improvements in looper locking and adjusting means for sewing machines | |
| US2626580A (en) | Thread pull-off device for sewing machines | |
| GB1263205A (en) | Improvements in or relating to double-chain-stitch sewing machines | |
| US875613A (en) | Bobbin-controlling mechanism for sewing-machines. | |
| US2318836A (en) | Sewing machine cover plate | |
| US2718859A (en) | Looper spreader mechanisms for sewing machines | |
| US1319234A (en) | Necticut | |
| US2028005A (en) | Sewing machine | |
| US2003200A (en) | Attachment for sewing machines | |
| GB871101A (en) | Bobbin thread case opener mechanism | |
| US2126507A (en) | Shiftably mounted work guide | |
| GB467055A (en) | Improvements in or relating to button-hole sewing machines | |
| GB665893A (en) | A blind stitching and pique device in a self-contained sewing machine, or as accessory appliance for sewing machines | |
| GB494603A (en) | Double lock-stitch sewing machine | |
| GB681111A (en) | Improvements in sewing machines for stitching leather cases | |
| GB687553A (en) | Thread pull-off device for sewing machines | |
| GB559157A (en) | Thread controlling mechanism for sewing machines | |
| GB558968A (en) | Improvements in or relating to sewing | |
| GB191419852A (en) | Improvements in or relating to Shoe-stitching Machines. | |
| GB633267A (en) | Stitch-forming mechanism for sewing machines | |
| GB324263A (en) | Improvements in or relating to buttonhole apparatus for sewing machines | |
| GB915794A (en) | Improvements in or relating to sewing machines |