US139962A - Improvement in sewing-machines - Google Patents

Improvement in sewing-machines Download PDF

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US139962A
US139962A US139962DA US139962A US 139962 A US139962 A US 139962A US 139962D A US139962D A US 139962DA US 139962 A US139962 A US 139962A
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sewing
wheel
machines
thread
improvement
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/02Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
    • G01B5/04Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving
    • G01B5/043Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving for measuring length

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  • My invention relates to a means of accomplishing such measurement; and consists in combining with a sewing-machine mechanism, and with a tension-wheel placed between the spool and the needle-bar, a meter mechanism or a train of gearing, by which, by the rotations of the tension-wheel, the consequent length of thread running through it is registered.
  • the drawing represents a plan and side elevation of a sewing-machine mechanism embodying my invention.
  • a denotes the arm, at the front end of which is the head and face plate, between which the needle-bar b plays vertically.
  • c d denote the ordinary guides, through which the thread e passes.
  • f denotes the spool, g, the spool-.
  • the wheel h is fixed on a shaft, Z, which passes through a box, m, said shaft having a gear that makes one wheel of a train of gears contained within the box, the various arbors of the gears extending through an index-plate,n, the arbors having index-fin gers that are regularly moved by the gearing as the wheel rotates, the respective index-fingers moving around the respective index-circles of the index-plate.
  • the first index is shown as denoting the number of single yard-s up to six.
  • the second denotes the number of yards from six to forty-eight, and so on through the train.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Sewing Machines And Sewing (AREA)

Description

T. K. KEETH.
Sewing-Machines. v
NO. 139,962. I Patentedlune17,1873.
ine 88 8* I jn/yanl'mr Maw. ogwyam,
AM. PHD TOL/THOGRAIA'IC ca N X ass own/51$ morass) spindle; h, the tension-wheel.
UNITED STATES PATENT QFFIOE.
THOMAS K. KEITH, OF HAVERHILL, MASSACHUSETTS.
IMPROVEMENT IN SEWING-MACHINES. I
Specification forming part of Letters Patent No. 139,962, dated June 17, 1873; application filed May 23, 1873.
To all whom it may concern:
Be it known that I, THOMAS K. KEITH, of Haverhill, in the county of Essex and State of Massachusetts, have invented an Improvement in Sewing-Machines; and I do hereby declare that the following, taken in connection with the drawings which accompany and form part of this specification, is a description of my invention SllffiOlBDlJ to enable those skilled in the art to practice it.
In using sewing-machines it is often desirable to measure the amount of thread drawn from a spool, or to test the length of thread upon a spool, especially in using spool-silk.
My invention relates to a means of accomplishing such measurement; and consists in combining with a sewing-machine mechanism, and with a tension-wheel placed between the spool and the needle-bar, a meter mechanism or a train of gearing, by which, by the rotations of the tension-wheel, the consequent length of thread running through it is registered.
The drawing represents a plan and side elevation of a sewing-machine mechanism embodying my invention.
a denotes the arm, at the front end of which is the head and face plate, between which the needle-bar b plays vertically. c d denote the ordinary guides, through which the thread e passes. f denotes the spool, g, the spool-.
At opposite sides of this wheel are eyes k, through which the thread runs, the thread between said eyes passing over the wheel it between its corrugated flanges t'. The wheel h is fixed on a shaft, Z, which passes through a box, m, said shaft having a gear that makes one wheel of a train of gears contained within the box, the various arbors of the gears extending through an index-plate,n, the arbors having index-fin gers that are regularly moved by the gearing as the wheel rotates, the respective index-fingers moving around the respective index-circles of the index-plate. The first index is shown as denoting the number of single yard-s up to six. The second denotes the number of yards from six to forty-eight, and so on through the train.
As the thread is drawn from the spool by the needle, and runs through the groove in the wheel h it turns the wheel, and the rotation' of the wheel actuates the gearing, so that the thread is accurately measured, as will be readily understood.
I claim- In combination with a sewing-machine mechanism, a mechanism, substantially as described, for registering the length of thread.
THOMAS K. KEITH. Witnesses:
- F. G. GREELEY,
GILMAN GREELEY.
US139962D Improvement in sewing-machines Expired - Lifetime US139962A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2637112A (en) * 1950-06-29 1953-05-05 Fontaine Leon L La Fishing line meter
US20050278206A1 (en) * 2004-06-14 2005-12-15 Brian Choper Method and system for scheduling organization

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2637112A (en) * 1950-06-29 1953-05-05 Fontaine Leon L La Fishing line meter
US20050278206A1 (en) * 2004-06-14 2005-12-15 Brian Choper Method and system for scheduling organization

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