US180035A - Improvement in tuck-marking attachments for sewing-machines - Google Patents

Improvement in tuck-marking attachments for sewing-machines Download PDF

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US180035A
US180035A US180035DA US180035A US 180035 A US180035 A US 180035A US 180035D A US180035D A US 180035DA US 180035 A US180035 A US 180035A
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marker
tuck
sewing
gage
machines
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    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B81/00—Sewing machines incorporating devices serving purposes other than sewing, e.g. for blowing air, for grinding

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  • N-PETERS PHOTO-LITHOGRAFHER. WASHINGTON. D. C. Q
  • My present improvement relates to means for combining the marker and gage and the arrangement of the parts of the attachment.
  • Figure 1 is a perspective view of the attachment.
  • Fig. 2 is a transverse vertical section of the same in the plane of the set-screws.
  • Fig. 3 is a plan of the attachment, the marker and the covering-plate of the pinions being removed.
  • the base-plate is shown in full and dotted lines, at A, Fig. 3. Its side edges are turned up and ever to form. guidegrooves for reception of the marker and the gage.
  • a socket or suitable seat in the base-plate are the two pinions a I), which are united together and revolve'on the same axis 0. They are mounted loosely on c.
  • the smaller pinion 60 engages a rack, d, on the contiguous edge of the gage.
  • the marker and gage are arranged on opposite sides of the axis of the pinions, and have no contact with one another;
  • the two pinions are soproportioned that during one revolution the pinion b will move the marker twice as fast or far as the gage is moved by its pinion a.
  • the marker is made in two parts, 0 and C.
  • the supportin'gplate is provided with the rack e.
  • the marker proper is carried in guides on the supporting-plate, and is held thereto by a set-screw, f, passing through a slot, g.
  • the marker proper does not engage the pinions.
  • By loosening the set-screw f-it can be adjusted back and forth on the supportingplate without moving the gage.
  • the parts 0 0 become in effect one, and must move together. Their movement, in this event, will of course cause the gage to move also.
  • the edges of the gage and the marker contiguous to the pinion fit under a central removable plate, h, that covers the pinions and is held in place by'screws 0'.
  • Through the'plate projects the pin or axis on which the pinions move.
  • This pin is screw-threaded, and is provided with a thumb-nut, j, which, when screwed down, presses the plate against the pinions, and prevents them from revolving.
  • This device is for the purpose of scour ingthe parts firmly in I place after they have been adjusted.
  • the hole for the passage of the set-screw that binds the attachment to the cloth-plate of the sewinginachine is shown wheels engaging said parts and transmitting movement from oneto the other, substantially in the manner shown and described.
  • the marker consisting of a supportingplate formed to engage a toothed wheel or pinion, and a marker proper, carried by and adjustable on said supporting-plate, substantially as shown and set forth.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)

Description

A. JOHNSTON.
TUCK-MARKING ATTACHMENTS on SEWING-MACHINES. No.180,.O.35, Patent'ed Ju1y'l8.1876.
N-PETERS. PHOTO-LITHOGRAFHER. WASHINGTON. D. C. Q
' rrrcia.
Parana ALLEN JOHNSTON, or OTTUMWA, IOWA.
IMPROVEMENT lN TUCK-MARKING ATTACHMENTS FOR SEWING-MACHINES.
Specification forming part of Letters Patent No. 180,035, dated July 18, 1876; application filed May 5, 1876.
in my Letters Patent No. 170,375, of Novem-' ber 23, 1875, comprising a marker and gage combined to move simultaneously in opposite directions, the marker twice as fast as the gage.
My present improvement relates to means for combining the marker and gage and the arrangement of the parts of the attachment.
In lieu of connecting and operating the marker and gage by means of levers, I make use for the purpose of racks and pinions, by which I render the attachment much more compact, and better adapt it for practical use.
In the accompanying drawing, Figure 1 is a perspective view of the attachment. Fig. 2 is a transverse vertical section of the same in the plane of the set-screws. Fig. 3 is a plan of the attachment, the marker and the covering-plate of the pinions being removed.
The base-plate is shown in full and dotted lines, at A, Fig. 3. Its side edges are turned up and ever to form. guidegrooves for reception of the marker and the gage. In a socket or suitable seat in the base-plate are the two pinions a I), which are united together and revolve'on the same axis 0. They are mounted loosely on c. The smaller pinion 60 engages a rack, d, on the contiguous edge of the gage. The marker and gage are arranged on opposite sides of the axis of the pinions, and have no contact with one another;
The two pinions are soproportioned that during one revolution the pinion b will move the marker twice as fast or far as the gage is moved by its pinion a.
It is desirable to retain in the attachment the feature of distinct and independent adjustability of the marker for the purpose of regulating the spacing of the tucks. To this end the marker is made in two parts, 0 and C. The lower part, 0, l term the supportingplate, and the upper part, 0, the marker proper. The supportin'gplate is provided with the rack e. The marker proper is carried in guides on the supporting-plate, and is held thereto by a set-screw, f, passing through a slot, g.
The marker proper does not engage the pinions. By loosening the set-screw f-it can be adjusted back and forth on the supportingplate without moving the gage. When, on
the other hand, the set-screw is tightened,
the parts 0 0 become in effect one, and must move together. Their movement, in this event, will of course cause the gage to move also. The edges of the gage and the marker contiguous to the pinion fit under a central removable plate, h, that covers the pinions and is held in place by'screws 0'. Through the'plate projects the pin or axis on which the pinions move. This pin is screw-threaded, and is provided with a thumb-nut, j, which, when screwed down, presses the plate against the pinions, and prevents them from revolving. This device is for the purpose of scour ingthe parts firmly in I place after they have been adjusted. The hole for the passage of the set-screw that binds the attachment to the cloth-plate of the sewinginachine is shown wheels engaging said parts and transmitting movement from oneto the other, substantially in the manner shown and described.
2. The marker, consisting of a supportingplate formed to engage a toothed wheel or pinion, and a marker proper, carried by and adjustable on said supporting-plate, substantially as shown and set forth.
3. The gage and the toothed Wheels or pingage, under the arrangement and for operainns, proportioned as described, in combination as shown and. described. tion with the marker proper, carried by, but
adjustedindependentlyof,saidplate,subste11- ALLEN JOHNSTON. tially as set forth. \Vitnesses:
4. The base-plate, pinions, and covering- A. G. HARROW,
plate, in combination with themarker and the J. T. HACKWORTH.
US180035D Improvement in tuck-marking attachments for sewing-machines Expired - Lifetime US180035A (en)

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