US105741A - Improvement in sewing-machine - Google Patents
Improvement in sewing-machine Download PDFInfo
- Publication number
- US105741A US105741A US105741DA US105741A US 105741 A US105741 A US 105741A US 105741D A US105741D A US 105741DA US 105741 A US105741 A US 105741A
- Authority
- US
- United States
- Prior art keywords
- machine
- sewing
- improvement
- arm
- thread
- 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
- 101700007007 CALMB Proteins 0.000 description 4
- 210000000474 Heel Anatomy 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
Images
Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B51/00—Applications of needle-thread guards; Thread-break detectors
Definitions
- ⁇ ⁇ My 4invention consists .in afnovel cmbinatiou and arrangement of parts for controlling the needle-thread of a sewing-machine, as will be fully set forth hereafter. Description of the Drawing.
- Figure 1 is a front elevation of a sewing-machine with my improvement attached.
- Figure 3 is a View of the ⁇ controller detached from the arm of the machine. .f
- i General Description'. i v Y' My invention consists, principally, of a rocking arm, A, secured upon a shaft, a, having bearings in the supporting arm of the machine. in close proximity to the needle-bar; it is operated by the cam B, the connectthe needle is descending, and until it is entering the goods, and then release the thread, forA the formation and distension of the loop through which the shuttle passes; and, when the shuttle has passed nearly through the loop, lt will draw up the slack ofthe nee-- dla-thread oi the heel of the shuttle, and hold it until the needle-bar has nearly completed its upward movement, when it again moves ibrwlnd'and releases the threadwhile the stitch is being tightened.
- the arm. A is further arranged to work with acoil spring, cl, so that the mot-ion of the arm will be imparted to the thread gradually when the quality of thread used is very ne, so that the danger-of its being broken, when the arm is thrown back, is entirely removed.
- the end of the wire d I'iasses through holes in the arm,and is bent into an eye, through which the thread passes, as clearly illustrated in the drawing.
- the thread-controller herein-described consisting vof the rocking arm A,.crank b, connecting-rod C, cam B, piu D, and staple f, constructed and operating substantially as described and specified.
Description
een eine mit.
raiut Acrans B. TRUE, or BOSTON, MASSACHUSETTS.
Letteis Patent No. 105,741, lated J'nly 25, 1870.
IMPROVEMENT IN 4 SEWING-MACHINE.
lThe Schedule referred to in these -Letters- Patent and making pax-t of the same.
I, CYnUs B. TRUE, of Boston, inthe county of Suffolk and State of Massaclu1setts,'have invented a new andnseful Improvement in Sewing-Machines, of which the following is a specilcation.
Nature and Objects ofthe I nnention.
` `My 4invention consists .in afnovel cmbinatiou and arrangement of parts for controlling the needle-thread of a sewing-machine, as will be fully set forth hereafter. Description of the Drawing.
Figure 1 is a front elevation of a sewing-machine with my improvement attached. v
Fgure2 sa View from. `tl1 e.`opposte side, or the' `back of the machine.
Figure 3 is a View of the `controller detached from the arm of the machine. .f
i General Description'. i v Y' My invention consists, principally, of a rocking arm, A, secured upon a shaft, a, having bearings in the supporting arm of the machine. in close proximity to the needle-bar; it is operated by the cam B, the connectthe needle is descending, and until it is entering the goods, and then release the thread, forA the formation and distension of the loop through which the shuttle passes; and, when the shuttle has passed nearly through the loop, lt will draw up the slack ofthe nee-- dla-thread oi the heel of the shuttle, and hold it until the needle-bar has nearly completed its upward movement, when it again moves ibrwlnd'and releases the threadwhile the stitch is being tightened.
The arm. A is further arranged to work with acoil spring, cl, so that the mot-ion of the arm will be imparted to the thread gradually when the quality of thread used is very ne, so that the danger-of its being broken, when the arm is thrown back, is entirely removed.
The end of the wire d I'iasses through holes in the arm,and is bent into an eye, through which the thread passes, as clearly illustrated in the drawing.
Claims.
1. The thread-controller herein-described, consisting vof the rocking arm A,.crank b, connecting-rod C, cam B, piu D, and staple f, constructed and operating substantially as described and specified.
2. The combination, with the rockingarm A, of the spring d, provided with the eye constructed and' operating substantially as described, and for the purpose specified. GYRUS B. TRUE.
Witnesses:
A. W. ADAMS, Guns. B. O. ADAMS.
Publications (1)
Publication Number | Publication Date |
---|---|
US105741A true US105741A (en) | 1870-07-26 |
Family
ID=2175220
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US105741D Expired - Lifetime US105741A (en) | Improvement in sewing-machine |
Country Status (1)
Country | Link |
---|---|
US (1) | US105741A (en) |
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0
- US US105741D patent/US105741A/en not_active Expired - Lifetime
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