US115151A - Improvement in sewing-machines - Google Patents
Improvement in sewing-machines Download PDFInfo
- Publication number
- US115151A US115151A US115151DA US115151A US 115151 A US115151 A US 115151A US 115151D A US115151D A US 115151DA US 115151 A US115151 A US 115151A
- Authority
- US
- United States
- Prior art keywords
- lever
- improvement
- sewing
- machines
- shaft
- 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
- 210000003141 lower extremity Anatomy 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B27/00—Work-feeding means
- D05B27/22—Work-feeding means with means for setting length of stitch
Definitions
- the invention consists in an apparatus for automatically turning said shaft for the purpose of regulating the feed, combined with a graduated plate, which answers the purpose both of indicating how many stitches will.
- a is the shaft, by the turning of which the feed-regulating mechanism is operated, which latter being in no waymy invention it is needless here to describe.
- b is an arm rigidly attached to the shaft a.
- c is a link connecting the arm I) with.
- a lever, d which has its fulcrum at e, and is jointed at its other end with the lower extremity of a rod, f, that connects the lever d with a lever, g, which has its fulcrum at h and terminates in a handle, 1'.
- To the arm A that supports the lever g is secured a notched segment-plate, j, into either of the notches of which a tooth formed on the inner side of the lever g enters, thus securing the lever to the plate.
- the notches should be inscribed with the figures that denote how many'stitches to the inch will be produced at each different position.
- the Florence machine has no device for iudicating to the operator just What eifect will follow any one movement of the shaft a. This disadvantage is obviated by my invention.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Description
A. B. BATES.
Improvement in Sewing-Machines. N0. 115,151; Patent edMay 23,1871.
- mmwro'umoonumo an. Mz/asaomn moans;
ALEXANDER B. BATES, OF BALTIMORE, MARYLAND.
IMPROVEMENT IN QEWING-MACHI'NES.
Specification forming part of Letters Patent No. 115,151, dated May 23, 1871.
on the well-known Florencemachine, wherein the mechanism for varying thelength of the stitch is connectedwith the inner end of a shaft that passes through the side of the clothtable, and is operated by turning by hand said shaft by means of aknob placed upon its outer end. The invention consists in an apparatus for automatically turning said shaft for the purpose of regulating the feed, combined with a graduated plate, which answers the purpose both of indicating how many stitches will. be
produced to theinch at each different position of the lever by which said apparatus is worked, and of holding said lever in any position desired.
Referring to the drawing, a is the shaft, by the turning of which the feed-regulating mechanism is operated, which latter being in no waymy invention it is needless here to describe. b is an arm rigidly attached to the shaft a. c is a link connecting the arm I) with. a lever, d, which has its fulcrum at e, and is jointed at its other end with the lower extremity of a rod, f, that connects the lever d with a lever, g, which has its fulcrum at h and terminates in a handle, 1'. To the arm A that supports the lever g is secured a notched segment-plate, j, into either of the notches of which a tooth formed on the inner side of the lever g enters, thus securing the lever to the plate. y
The notches should be inscribed with the figures that denote how many'stitches to the inch will be produced at each different position.
The Florence machine has no device for iudicating to the operator just What eifect will follow any one movement of the shaft a. This disadvantage is obviated by my invention.
Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is-- h The combination of the shaft a, arm b, link 0, levers d and g, connecting'rod f, and notched plate j, as specified.
ALEXANDER B. BATES.
Witnesses:
JOHN A. BATES, CHARLES S. WOODSIDE.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US115151A true US115151A (en) | 1871-05-23 |
Family
ID=2184611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US115151D Expired - Lifetime US115151A (en) | Improvement in sewing-machines |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US115151A (en) |
-
0
- US US115151D patent/US115151A/en not_active Expired - Lifetime
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