US128460A - Improvement in treadles for sewing-machines - Google Patents
Improvement in treadles for sewing-machines Download PDFInfo
- Publication number
- US128460A US128460A US128460DA US128460A US 128460 A US128460 A US 128460A US 128460D A US128460D A US 128460DA US 128460 A US128460 A US 128460A
- Authority
- US
- United States
- Prior art keywords
- treadles
- wheel
- improvement
- sewing
- machines
- 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
- 241001074085 Scophthalmus aquosus Species 0.000 description 4
- 230000000875 corresponding Effects 0.000 description 2
- 230000003292 diminished Effects 0.000 description 2
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C9/00—Bearings for crankshafts or connecting-rods; Attachment of connecting-rods
- F16C9/02—Crankshaft bearings
Definitions
- A, Figs. 1, 2, represents an ordinary sew- .ing-machine table; and B, a bracket attached to the under side of it.
- 0 is a fly-wheel andbelt-wheel combined, as seen clearly in Fig. 1, having on one side a projection, D, at its axis, and on the other an arm, E, one end of which is attached to the wheel a little below its center, as seen in Fig. 2, while the other end which projects upwardly is in a line with the axis of the wheel.
- bracket B standard H, and screws F G, substantially as and for the purpose shown and specified.
Description
'A. BRILL.
Improvement in Treadles for Sewing-Machines.
Patented July 2,1872.
W TNESSES UNITED STATES PATENT OFrIcE.
ANDREW BRILL, OF ST. LOUIS, MISSOURI.
IMPROVEMENT lN TREADLES FQR SEWING-MACHINES.
Specification forming par t of Letters Patent No. 128,460, dated July 2, 1872.
To all whom it may concern:
Be it known that I, ANDREW BRILL, of the city and county of St. Louis, State of Missouri,
- have invented anew and useful Improvement justing the bearings of the driving or fly wheel,
so that it may always run true and without shaking.
A, Figs. 1, 2, represents an ordinary sew- .ing-machine table; and B, a bracket attached to the under side of it. 0 is a fly-wheel andbelt-wheel combined, as seen clearly in Fig. 1, having on one side a projection, D, at its axis, and on the other an arm, E, one end of which is attached to the wheel a little below its center, as seen in Fig. 2, while the other end which projects upwardly is in a line with the axis of the wheel. A screw-pin passing through the standard H, as seen at F, Figs. 1
2, has a pointed end, which enters a corresponding socket in the projection 1), while another similar pin, G, Fig. 1, passes through the bracket B, and engages with a socket in arm E, as seen clearly in Fig. 1, thus furnishing bearings to the wheel 0. To the arm E is attachedthe ordinary pitman, not shown, which is connected with the usual treadles, not shown. The bearings of the wheel being merely points, the frictionis much lessened, and consequently the labor of running it diminished. Should the wheel become loose it can readily be brought to its bearings by tightening the screw-pins F G.
What I claim as my invention, and desire to secure by Letters Patent, is-
1. The combination of the wheel 0, arm E,
bracket B, standard H, and screws F G, substantially as and for the purpose shown and specified.
2. The combination, with a driving'or fly wheel, of adjustable bearings, substantially as and for the purpose shown and described.
' A. BRILL.
Witnesses:
SAML. S. Born, 0. M. WHITNEY.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US128460A true US128460A (en) | 1872-07-02 |
Family
ID=2197879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US128460D Expired - Lifetime US128460A (en) | Improvement in treadles for sewing-machines |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US128460A (en) |
-
0
- US US128460D patent/US128460A/en not_active Expired - Lifetime
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