US266745A - Sewing-machine shuttle - Google Patents
Sewing-machine shuttle Download PDFInfo
- Publication number
- US266745A US266745A US266745DA US266745A US 266745 A US266745 A US 266745A US 266745D A US266745D A US 266745DA US 266745 A US266745 A US 266745A
- Authority
- US
- United States
- Prior art keywords
- sewing
- thread
- edge
- spring
- shuttle
- 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 - Lifetime
Links
- 238000010276 construction Methods 0.000 description 4
- 230000000994 depressed Effects 0.000 description 4
- 240000004841 Meum athamanticum Species 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000009958 sewing Methods 0.000 description 2
Images
Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B57/00—Loop takers, e.g. loopers
- D05B57/26—Bobbin holders or casings; Bobbin holder or case guards; Bobbin discharge devices
Definitions
- My invention relates to improvements in the construction of sewing-machine shuttles, having for their object increased facility in threadin g, the preservation of the thread from abrasion by the shuttle itself during the forming of the loop, and the reduction of the cost of manufacture of shuttles through the simplicity and fewness of its parts.
- Figure I is an enlarged side view of a shuttle of my improved con struction, Fig. II being a plan view of Fig. I in partial section.
- the shuttle B in place of having the bobbin D more or less incased upon one or both sides,
- ⁇ tension-spring is formed ofthe plate g, securely bolted to the inner side of the face-plate at y, and is of configuration in plan as shown in Fig. II, to have the stop v with the channel to leading thereto at an angle from the edge of the spring g.
- the edge of the spring 9 coincides over its greater extent with the edge of the face-plate, but leaves it at angle approximating to that made by channel to to form the point m, from which point the other edge of the spring leads to channel h, conducting to stopf.
- the end of the thread a is passed through the open side of the shuttle-frame and the bobbin D from the same direction sprung into its bearings in the frame.
- the thread is then pulled into stop 11 through the inclined channel to, and in the same motion and at the same time carried upon the parallel incline to point m,from whence it is carried to'stop f, being by the arrangement of the stops securely held in the proper position in the tension-spring.
- cupied in inserting the bobbin and placing the thread in the tension-spring is insignificant.
- the angular point 5 of the spring is depressed into the slot 1) into the slot 1) to have its edge protected by the wall from contact with the thread, except when conducted manually in threading, and when the depressed point easily leads the thread to the channel 10.
Description
(No Model.) 4 S. B. BARTHOLOMEW.
' SEWING MACHINE SHUTTLE.
No. 266,745. Patented Oct. 31, 1882.
NITE STATES ATENT Fries.
SEWING-MACHINE SHUTTLE.
SPECIFICATION forming part of Letters Patent No. 266,745, dated October 31, 1882.
Application filed February 24, 1882. (No model.)
To all whom it may concern Be it known that I, SAMUEL B. BAR'IHOLO- MEW, a citizen of the United States, residing at Springfield, in the county of Hampden and State of Massachusetts, have invented new and useful Improvements in Shuttles for Sewing-Machines, of which the following is a specification. V
My invention relates to improvements in the construction of sewing-machine shuttles, having for their object increased facility in threadin g, the preservation of the thread from abrasion by the shuttle itself during the forming of the loop, and the reduction of the cost of manufacture of shuttles through the simplicity and fewness of its parts.
In the drawings, Figure I is an enlarged side view ofa shuttle of my improved con struction, Fig. II being a plan view of Fig. I in partial section. I
The shuttle B, in place of having the bobbin D more or less incased upon one or both sides,
\ tension-spring is formed ofthe plate g, securely bolted to the inner side of the face-plate at y, and is of configuration in plan as shown in Fig. II, to have the stop v with the channel to leading thereto at an angle from the edge of the spring g. The edge of the spring 9 coincides over its greater extent with the edge of the face-plate, but leaves it at angle approximating to that made by channel to to form the point m, from which point the other edge of the spring leads to channel h, conducting to stopf.
In the operation of threading, the end of the thread a is passed through the open side of the shuttle-frame and the bobbin D from the same direction sprung into its bearings in the frame. The thread is then pulled into stop 11 through the inclined channel to, and in the same motion and at the same time carried upon the parallel incline to point m,from whence it is carried to'stop f, being by the arrangement of the stops securely held in the proper position in the tension-spring. cupied in inserting the bobbin and placing the thread in the tension-spring is insignificant.
In order to form a mouth to the channel to without presenting any edge at that point which could possibly cut the thread while the loop was being formed, and oneinto which the thread is easily introduced from the direction it is brought in threading, I form in the face plate 0 the transverse slot I), as shown in Fig. I, to have a vertical wall upon one side. Into the slot 1) is depressed the angular point 5 of the spring to have its edge protected by the wall from contact with the thread, except when conducted manually in threading, and when the depressed point easily leads the thread to the channel 10. In practice I also slightly bevel or round the point l, as shown in plan in Fig. II, to make it impossible for the thread in moving over the edge of the face-plate to find'any sharp edge to cut it.
Havingdescribed my invention, whatI claim is- The combination, in a sewing-machine shuttle, of a threading-channel near the outer edge of the face-plate, and on its inner face a tensionspring secured to the inner face of said plate, and having a threadway coinciding with said channel and a thread-stop therein overhanging one side of said slot, so as to form a free passage for the thread, a spring-point lying against said plate, and athread-slot on the edge thereof opposite to said threadway, and a screw securing said spring to said plate, the parts being all arranged to operate substantially as set forth.
SAMUEL B. BARTHOLOMEW.
Witnesses:
R. F. HYDE, H. A. OHAPIN.
The whole time 00--
Publications (1)
Publication Number | Publication Date |
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US266745A true US266745A (en) | 1882-10-31 |
Family
ID=2335996
Family Applications (1)
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US266745D Expired - Lifetime US266745A (en) | Sewing-machine shuttle |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110043046A1 (en) * | 2005-07-12 | 2011-02-24 | Joannopoulos John D | Wireless energy transfer with high-q capacitively loaded conducting loops |
-
0
- US US266745D patent/US266745A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110043046A1 (en) * | 2005-07-12 | 2011-02-24 | Joannopoulos John D | Wireless energy transfer with high-q capacitively loaded conducting loops |
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