US390606A - Fourths to mondula leak and d - Google Patents
Fourths to mondula leak and d Download PDFInfo
- Publication number
- US390606A US390606A US390606DA US390606A US 390606 A US390606 A US 390606A US 390606D A US390606D A US 390606DA US 390606 A US390606 A US 390606A
- Authority
- US
- United States
- Prior art keywords
- leak
- foot
- presser
- mondula
- fourths
- 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
- 239000004744 fabric Substances 0.000 description 14
- 210000002683 Foot Anatomy 0.000 description 6
- 210000000474 Heel Anatomy 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000036961 partial Effects 0.000 description 2
- 235000015108 pies Nutrition 0.000 description 2
Images
Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B29/00—Pressers; Presser feet
- D05B29/06—Presser feet
Description
(No Model.)
O. LEAK.
PRESSER FOOT FOR SEWING MAGHINES.
No. 390,606. Patented 001;. 2,1888.
FUEL PIE. 3.
INV ENTEIR,
45 M gew UNITED STATES IATEN'T @FFICE.
CRAPO LEAK, OF SAN FRANCISCO, CALIFORNIA, ASSIGNOR OF THREE- FOURTHS TO MONDULA LEAK AND D. V. B. HENARIE, BOTH OF SAME PLACE.
PRESSER-FOOT FOR SEWING-=MACHINES.
:PECIl-ICATION forming part of Letters Patent No. 390,606, dated October 2, 1888.
Application filed June 15, 1887. Serial No. 241,342. (No model.)
To all whom it. may concern.-
Be it known that l, ORAPO LEAK, a citizen of the United States, residing in the city and county of San Francisco, and State of California, have invented a new and useful Double- Adjusting-Spring Sewing-Machine Foot, of which the following is a specification.
My invention relates to improvements in presser-feet for sewing-machine feed. It will be understood by reference to the accompanying drawings.
Figure 1 is a side elevation of a Singer presser-foot with my improvement attached. Fig. 2 is a reversed view of the same. Fig. 3 is a perspective view of the same, and Fig. 4 is a plan view of my improved attachment detached from the presser-foot. Figs. 5 and 6 are similar views to Figs. 1 and 2, with the foot B substituted by the springs D and E. Fig. 7 is a side elevation showing the operation of my attachment when passing from a thicker to a thinner surface.
The following is the construction and operation of my improvement:
, A represents an ordinary presser-foot, such as is employed by the Singer machine; B, my subsidiary self-adjusting presser-foot; O, the pivot or hinge of my self-adjusting presserfoot.
D and E show spring attachments designed to effect the self-adjustment by the elasticity of the springs, thus producing a partial effect which will answer in most cases.
F represents several thicknesses of fabric, and G represents but a single thickness. 7
As the fabric is passed along under the presserfoot from a greater number of thicknesses to a single thickness, the hinge 0 allows the front of the foot to drop down to a bearing upon the lesser thickness of fabric, as shown in Fig. 7, thus securing a holding of the fabric both in front and back of the needle, and in moving in the opposite direction, or from a thinner to a thicker fabric, the heel of the presser-foot remains down upon the thinner until the needle has passed to the thicker amount of fabric, when it returns to a level bearing upon the thicker fabric.
I am aware that it is not new to employ a single spring bifurcated, the branch of the bifurcationserving as a passage for the needle and both branches stop on the same line or point; but I am not aware that any one has heretofore provided a presser-foot with two flat springs, one being of greater length than the other. By this means I am enabled to produce a device at a minimum expense, being able to utilize small pieces of material and avoid the time and labor of slotting them.
Having thus described my invention, what I claim, and desire to secure by Letters Patent, is-
In presser-leet for sewing-machine feed, the combination, with a presserfoot of a sewingmachine, of two independent springs, D and E, respectively secured thereto upon its under surface, one directly above the other and of unequal lengths, substantially as specified.
ORAPO LEAK. lVitnesses:
JOHN H. Rnns'ronn, L. E. REDSTONE.
Publications (1)
Publication Number | Publication Date |
---|---|
US390606A true US390606A (en) | 1888-10-02 |
Family
ID=2459582
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US390606D Expired - Lifetime US390606A (en) | Fourths to mondula leak and d |
Country Status (1)
Country | Link |
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US (1) | US390606A (en) |
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0
- US US390606D patent/US390606A/en not_active Expired - Lifetime
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