US152633A - Improvement in motive powers for sewing-machines - Google Patents
Improvement in motive powers for sewing-machines Download PDFInfo
- Publication number
- US152633A US152633A US152633DA US152633A US 152633 A US152633 A US 152633A US 152633D A US152633D A US 152633DA US 152633 A US152633 A US 152633A
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- US
- United States
- Prior art keywords
- sewing
- machines
- improvement
- machine
- motive powers
- 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
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- 210000000707 Wrist Anatomy 0.000 description 4
- 229910000639 Spring steel Inorganic materials 0.000 description 2
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G1/00—Spring motors
Definitions
- This invention has for its object to furnish a motor for sewing-machines in lieu of the treadle in general use, the power being derived from the recoil of a coil-spring, which may be wound up at intervals; and it consists in the peculiar arrangement of the cranks for transmitting the motion to the driving or balance wheel of the sewing-machine.
- Figure l is ra front elevation of a sewinglnachine with the motor attached.
- Fig. 2 is an elevation of that side of the motor-frame next the driving-wheel of the machine, the latter being removed to show the cranks and parallel rod.
- Fig. 3 is a partial horizontal section of the motor-frame at .fr a', showing the brake and drivin g-wheel in plan.
- A represents the table of a sewing-machine
- B the driving-pulley, whose shaft may be journaled in a short bearing at the right-hand standard C of the machine.
- D D are the two side plates of a frame bolted to the under side of the table close to the pulley C, which is provided with a crankpin, a..
- a central shaft, b In the plates D is journaled a central shaft, b, to which is secured one end of a coiled ribbon of spring-steel, E, the outer end of which is secured to the top of the frame.
- ratchet, c is keyed on the shaft b, with which a sprin g-pawl in a spur-gear, F, engages, said spurgear being simply sleeved on the said shaft, with which it revolves when its pawl is pushed by the ratchet.
- a sprin g-pawl in a spur-gear, F engages
- said spurgear being simply sleeved on the said shaft, with which it revolves when its pawl is pushed by the ratchet.
- a crank, f having a wrist at the end.
- G is a parallel rod, having the wrists of the two cranks f journaled through its ends.
- this rod At the middle of this rod is a ⁇ vertical arm, g, having an eye at its upper end, in which is inserted the crank a of the driving-pulley.
- the spring is wound up by a crank or pawl wrench on the left-hand projecting end of its shaft.
- the recoil of the spring in tension acts upon the shaft b to rotate it in the opposite direction, setting the large spur-wheel in motion, which in turn rotates the pinion-shafts and their cranks f, which in turn, through the parallel rod Gr and arm g, acting upon the crank-pin a, rotate the driving-pulley, through which the sewing-machine is actuated.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Sewing Machines And Sewing (AREA)
Description
n. s, HEBRINTON. Motive "Powers for Sewing-Machines. No.l52,633. i P'atenredlunesonam.
"UNITED STATES DAVID B. HERRINTON, -OF DETROIT, MICHIGAN.
' IMPROVEMENT IN MOTIVE POWERS FOR SEWING-MACHINES.
Specification forming part of Letters Patent No. 152,633, dated June 30, 1674; application ilecl February 16, 1874.
To all whom fit may concern:
Beit known that I, DAVID B. HERRINTON, of Detroit, in the county of 'Wayne andState of Michigan, have invented an Improvement in Sewing-Machine Motors, of which the following is a speciiication:
This invention has for its object to furnish a motor for sewing-machines in lieu of the treadle in general use, the power being derived from the recoil of a coil-spring, which may be wound up at intervals; and it consists in the peculiar arrangement of the cranks for transmitting the motion to the driving or balance wheel of the sewing-machine.
Figure l is ra front elevation of a sewinglnachine with the motor attached. Fig. 2 is an elevation of that side of the motor-frame next the driving-wheel of the machine, the latter being removed to show the cranks and parallel rod. Fig. 3 is a partial horizontal section of the motor-frame at .fr a', showing the brake and drivin g-wheel in plan.
Like letters refer to like part-s in the several figures.
In the drawing, A represents the table of a sewing-machine, and B the driving-pulley, whose shaft may be journaled in a short bearing at the right-hand standard C of the machine. D D are the two side plates of a frame bolted to the under side of the table close to the pulley C, which is provided with a crankpin, a.. In the plates D is journaled a central shaft, b, to which is secured one end of a coiled ribbon of spring-steel, E, the outer end of which is secured to the top of the frame. A
ratchet, c, is keyed on the shaft b, with which a sprin g-pawl in a spur-gear, F, engages, said spurgear being simply sleeved on the said shaft, with which it revolves when its pawl is pushed by the ratchet. Across the lower corners of the frame are journaled two shafts, d d, each carrying a pinion, c, with which the spur-gear meshes, and at the projecting end of each shaft is secured a crank, f, having a wrist at the end. G is a parallel rod, having the wrists of the two cranks f journaled through its ends. At the middle of this rod is a `vertical arm, g, having an eye at its upper end, in which is inserted the crank a of the driving-pulley. The spring is wound up by a crank or pawl wrench on the left-hand projecting end of its shaft. The recoil of the spring in tension acts upon the shaft b to rotate it in the opposite direction, setting the large spur-wheel in motion, which in turn rotates the pinion-shafts and their cranks f, which in turn, through the parallel rod Gr and arm g, acting upon the crank-pin a, rotate the driving-pulley, through which the sewing-machine is actuated.
That I claim as my invention, and desire to secure by Letters Patent, is
The frame D, shafts b d d, spring E, ratchet c, spur-wheel F, pinions c c, cranks ff, parallel rod G, and arm g, constructed and arranged to rotate the driving-pulley of a sewing-machine, substantially in the manner shown and set forth.
DAVID B. HERRINTON.
Witnesses:
H. S. SPRAGUE, WM. l?. SPALDING.
Publications (1)
Publication Number | Publication Date |
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US152633A true US152633A (en) | 1874-06-30 |
Family
ID=2222044
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US152633D Expired - Lifetime US152633A (en) | Improvement in motive powers for sewing-machines |
Country Status (1)
Country | Link |
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US (1) | US152633A (en) |
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0
- US US152633D patent/US152633A/en not_active Expired - Lifetime
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