US157933A - Improvement in tuck-creasers for sewing-machines - Google Patents
Improvement in tuck-creasers for sewing-machines Download PDFInfo
- Publication number
- US157933A US157933A US157933DA US157933A US 157933 A US157933 A US 157933A US 157933D A US157933D A US 157933DA US 157933 A US157933 A US 157933A
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- United States
- Prior art keywords
- tuck
- sewing
- machines
- creasers
- improvement
- 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.)
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- 239000000463 material Substances 0.000 description 10
- 239000002184 metal Substances 0.000 description 4
- 241000282322 Panthera Species 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000001105 regulatory Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
Images
Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B81/00—Sewing machines incorporating devices serving purposes other than sewing, e.g. for blowing air, for grinding
Definitions
- Our invention relates to certain improvements in tuck-creasers for sewing-machines.
- Figure 1 represents a plan view of the invention complete; Fig. 2, a sectional side elevation.
- Our invention consists in certain combinaof devices and appliances, as hereinafter set forth and claimed, wherein- A represents a vibratory lever, pivoted to a standard, B, on the bed-plate O.
- the front end of the lever is bent downward, and then forward in the form of a crook. (See dotted lines, Fig. 2.)
- the lever A is attached to a spring-bar, l), at d, and the spring-bar D fastened to the needle-bar of the sewing-machine by a hook-catch, D; thus the parts A D operate together.
- F is a spring-bar, a portion of the front end G of which is bent up at right angles, and forms a hinge, g, at its top.
- H is a plate or presser-leaf, hinged to the bar F at g, and swinging thereon. This plate H, about midway of its length, is bent and curved slightly upward at H.
- I is an ear, formed on the plate H by cutting a narrow strip from the side, and bending and shaping it in the desired form.
- E is a stud or projection on the base-plate C, over which the material to be creased is placed, and B is a gage-plate for regulating the width of tuck.
- the spring presser-bar F and the presser or creaser leaf H H, with its opening ear I, are constructed of only two pieces of metal, in the form shown, and united by the hinge 9. Thus a very simple, cheap, and effective tuck-creaser is secured, and one not liable to be injured or to get out of repair.
- the operation is as follows: The material to be creased is placed over the spur E, and made to move over it as the machine feeds the material forward, thereby raising that part of the cloth to be creased.
- the needlebar of the machine forcing down the springbar D, and with it the lever A, the curved end of the lever comes in contact with the curved portion H of the creaser H, forcing the bar F, with the creaser H, downward and over the material on the stud E.
- the leaf H being closed over the material, it is sharply creased or pinched between the parts G H, and over the stud E.
- the tuck-creaser for sewing-m achines herein described consisting of the spring-bar F, its end G bent up some distanceat right angles to forma hinge, g, rocker or presser, consisting of a leaf, H, hinged to the bar F, curved upward portion H, provided with the ear I, which forms part of same, the parts F, H, H, and I being constructed of two pieces of metal, formed and united as set forth and shown, in combination with the stud or projection E on the bed-plate 0, all constructed, arranged, and adapted to operate substantially as and for the purposes described.
Description
L. SAMPSON & L. MUTHER.
Tuck-Breasers for Sewing-Machines.
Patnted Dec. 22,1874.
tions and arrangements UNITED STATES PATENT QFFIOE.
LEO SAMPSON AND LORENZ MUTHER, OF CHICAGO, ILLINOIS; SAID SAMPSON ASSIGNOR TO SAID MUTHER.
IMPROVEMENT IN TUCK-CREASERS FOR SEWING-MACHINES.
Specification forming part of Letters Patent N 0. 157,933, dated December 22, 1874 application filed May 13, 1873.
To all whom it may concern:
Be it known that we, LEO SAMPSON and LORENZ MUTHER, of Chicago, in the county of (look and State of Illinois, have invented a certain Improvement in Tuck Greasers, of which the following is a specification:
Our invention relates to certain improvements in tuck-creasers for sewing-machines.
In the drawings, Figure 1 represents a plan view of the invention complete; Fig. 2, a sectional side elevation.
Our invention consists in certain combinaof devices and appliances, as hereinafter set forth and claimed, wherein- A represents a vibratory lever, pivoted to a standard, B, on the bed-plate O. The front end of the lever is bent downward, and then forward in the form of a crook. (See dotted lines, Fig. 2.) The lever A is attached to a spring-bar, l), at d, and the spring-bar D fastened to the needle-bar of the sewing-machine by a hook-catch, D; thus the parts A D operate together. F is a spring-bar, a portion of the front end G of which is bent up at right angles, and forms a hinge, g, at its top. H is a plate or presser-leaf, hinged to the bar F at g, and swinging thereon. This plate H, about midway of its length, is bent and curved slightly upward at H. I is an ear, formed on the plate H by cutting a narrow strip from the side, and bending and shaping it in the desired form. E is a stud or projection on the base-plate C, over which the material to be creased is placed, and B is a gage-plate for regulating the width of tuck.
The spring presser-bar F and the presser or creaser leaf H H, with its opening ear I, are constructed of only two pieces of metal, in the form shown, and united by the hinge 9. Thus a very simple, cheap, and effective tuck-creaser is secured, and one not liable to be injured or to get out of repair.
The operation is as follows: The material to be creased is placed over the spur E, and made to move over it as the machine feeds the material forward, thereby raising that part of the cloth to be creased. The needlebar of the machine forcing down the springbar D, and with it the lever A, the curved end of the lever comes in contact with the curved portion H of the creaser H, forcing the bar F, with the creaser H, downward and over the material on the stud E. The leaf H being closed over the material, it is sharply creased or pinched between the parts G H, and over the stud E.
We are aware that a tuck-creaser has before been made operating in somewhat of a similar manner as ours, such as in the patent of Babcock, No. 143,741, issued October 21, 1873. We do not, therefore, broadly claim a tuck-creaser provided with a hinged presserleaf, and operated by a springlever; but
What we do claim as new, and desire to secure by Letters Patent, is-
The tuck-creaser for sewing-m achines herein described, consisting of the spring-bar F, its end G bent up some distanceat right angles to forma hinge, g, rocker or presser, consisting of a leaf, H, hinged to the bar F, curved upward portion H, provided with the ear I, which forms part of same, the parts F, H, H, and I being constructed of two pieces of metal, formed and united as set forth and shown, in combination with the stud or projection E on the bed-plate 0, all constructed, arranged, and adapted to operate substantially as and for the purposes described.
LEO SAMPSON. LORENZ MUTHER.
Witnesses A. L. DAVISON, WM. MoMILLAN.
Publications (1)
Publication Number | Publication Date |
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US157933A true US157933A (en) | 1874-12-22 |
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US157933D Expired - Lifetime US157933A (en) | Improvement in tuck-creasers for sewing-machines |
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