US135297A - Improvement in clutch mechanisms for treadles for sewing-machines - Google Patents
Improvement in clutch mechanisms for treadles for sewing-machines Download PDFInfo
- Publication number
- US135297A US135297A US135297DA US135297A US 135297 A US135297 A US 135297A US 135297D A US135297D A US 135297DA US 135297 A US135297 A US 135297A
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- US
- United States
- Prior art keywords
- sewing
- treadles
- machines
- improvement
- arms
- 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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- 238000009958 sewing Methods 0.000 description 2
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Classifications
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- 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
- F16H—GEARING
- F16H31/00—Other gearings with freewheeling members or other intermittently driving members
- F16H31/003—Step-by-step mechanisms for rotary motion
- F16H31/005—Step-by-step mechanisms for rotary motion with pawls driven by a reciprocating or oscillating transmission member
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/15—Intermittent grip type mechanical movement
- Y10T74/1526—Oscillation or reciprocation to intermittent unidirectional motion
- Y10T74/1553—Lever actuator
- Y10T74/1555—Rotary driven element
- Y10T74/1556—Multiple acting
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Description
1. TISDALE. Clutch-Mechanism for Treadles for Sewing-Machines. N0- 135197. Patentedjan.28, 873.
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UNITED STATES PATENT GEEIcE.
J OSIAH TISDALE, OF NORWOOD, MASSACHUSETTS, ASSIGNOR TO HIMSELF AND JOHN PUTNAM, OF SAME PLACE. Y
IMPROVEMENIINCLUTCH MECHANISMS FOR TREADLES FOR SEWING-MACHINES.
Specification forming part of Letters Patent N0. 135,297, dated January 28, 1873.
To all 'whom it 'may concern:
Be it known that I, J osrAn TrsDALE, of Norwood, of the county of Norfolk and State of Massachusetts, have invented a new and useful or Improved Treadle Attachment for revolving the fly-wheel of a sewing or other machine; and do hereby declare the same to be fully described in the following specification and represented in the accompanyin drawing. i
Figure lis a front elevation, Fig. 2 a top view, and Fig. 3 a transverse section of it as applied to a driving-pulley ily-wheel. Fig. 4 is a rear view `of the two connecting-rods and jointed radial arms. Fig. 5 is a horizontal section of the said radial arms. Figs. 6 and 7 are views of the two gripers of the jointed radial arms.
rEhe mechanism hereinafter explained is to effect, by means of a treadle, a continuous revolution of a wheel or pulley in one and the same direction, such being to avoid the loss of power and the dead-points resulting from the use of a crank when employed to revolve such wheel or pulley.
In such drawing, A denotes a stationary arbor provided with an annular shoulder, a, iixed firmly to or being in one piece with the arbor. Concentrically on the arbor is the band-pulley iiy-wheel B provided with a lianged disk, C, whose hub encompasses that of the wheel B, and is held thereto by a clampscrew, b. rhe disk C has a lange, c, extended from one side of it and around its periphery, a-s shown. The two gripers D E, exhibited in Figs. 6 and 7, are provided with notches c e to receive the said lange c, with which they are arranged in manner as shown, each being placed within one of two jointed radial arms F Gr. The said two arms are pivoted upon the arbor, turn freely thereon, and are held in place by a collar, f, provided with a setscrew, g. The said arms are also jointed to two rods H I connected to la link or bar, K,
pivoted to a treadle, L all being as shown. Each of the arms F G is composed of two parts, h i, constructed and pivoted together as represented, both being grooved lengthwise, as seen at k, to receive one of the gripers. Furthermore, between the two parts hz' of each arm a helicalspring, l, is disposed, as shown in Figs. 4 and 5. When the treadle is vibrated or put in movement on its fulcrum so as to raise the two jointed arms the outer part t' of one of them will be so turned on its joint-pins as to tip the griper and cause it to bind as a brake on the ange c, and in a manner to affect a rotary movement of such ilan ge and the disk and fly-wheel. At the same time the two jointed parts h i of the other arm, by being in one straight line with each other, prevent the other griper from operating to turn the flange in the reverse direction, the spring l operating at the proper time to turn the arms into an angle with each other, so as to set the griper for action to gripe the ange in its turn; but during descent of the two arms F G the griper that may be out of action on the flange will be thrown into action upon it,
the other griper being kept out of action..
Thus a continuous rotation ot' the wheel in one direction will be effected.
I claiml. The gripers D E, the springs Z l, and the jointed arm parts h i h e', constructed, arranged, and combined together and applied to a shaft-hanged disk and treadle, in manner and by means substantially as described.
2. The stationary shouldered arbor, the band-wheel, the iianged disk, the jointed arms F Gr, the gripers D E, and springs l l, arranged, constructed, and combined substantially in manner and to operate as shown and de scribed.
JOSIAH TISDALE. lVitnesses:
R. H. EDDY, J. R. SNOW.
Publications (1)
Publication Number | Publication Date |
---|---|
US135297A true US135297A (en) | 1873-01-28 |
Family
ID=2204713
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US135297D Expired - Lifetime US135297A (en) | Improvement in clutch mechanisms for treadles for sewing-machines |
Country Status (1)
Country | Link |
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US (1) | US135297A (en) |
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0
- US US135297D patent/US135297A/en not_active Expired - Lifetime
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