GB191318644A - Improvements relating to Sewing Machines for doing Open Work Stitching. - Google Patents

Improvements relating to Sewing Machines for doing Open Work Stitching.

Info

Publication number
GB191318644A
GB191318644A GB191318644DA GB191318644A GB 191318644 A GB191318644 A GB 191318644A GB 191318644D A GB191318644D A GB 191318644DA GB 191318644 A GB191318644 A GB 191318644A
Authority
GB
United Kingdom
Prior art keywords
piercers
needles
needle
bar
wedge
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
Application number
Inventor
William Richey Mcmurray
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of GB191318644A publication Critical patent/GB191318644A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B3/00—Sewing apparatus or machines with mechanism for lateral movement of the needle or the work or both for making ornamental pattern seams, for sewing buttonholes, for reinforcing openings, or for fastening articles, e.g. buttons, by sewing
    • D05B3/04—Sewing apparatus or machines with mechanism for lateral movement of the needle or the work or both for making ornamental pattern seams, for sewing buttonholes, for reinforcing openings, or for fastening articles, e.g. buttons, by sewing with mechanisms for work feed

Landscapes

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

Abstract

18,644. McMurray, W. R. Aug. 16. Hem-stitching machines; perforating-devices. -A piercer is vibrated laterally while in the work so as to distend the meshes of the fabric. In the examples given, two piercers mounted on one pivot are caused to vibrate oppositely in scissor fashion; the pivot being carried by the needle-bar so that the piercers reciprocate vertically with the needles. The piercers may project lower than the needles so as to enter the work before the needles. Each piercer may have two or more prongs and the prongs may be so spaced, with regard to the feed length, that no mesh of the fabric is entered twice. As shown in Fig. 1, the piercers a, b are separated by the engagement of the rods a<1>, b<1> with a fixed cam-piece h. As shown in Fig. 5, the piercers are separated by means of a conical wedge m which is moved to-and-fro by means of a bowl o, carried on the needle-bar, which engages a part n of the lever carrying the wedge. The wedge-carrying lever may be operated direct from the machine shaft. In another construction, the bars a<1>, b<1> are actuated by an elliptical cam which is oscillated by rack- and-pinion connexion with the needle-bar.
GB191318644D 1913-08-16 1913-08-16 Improvements relating to Sewing Machines for doing Open Work Stitching. Expired GB191318644A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191318644T 1913-08-16

Publications (1)

Publication Number Publication Date
GB191318644A true GB191318644A (en) 1913-11-27

Family

ID=32587151

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191318644D Expired GB191318644A (en) 1913-08-16 1913-08-16 Improvements relating to Sewing Machines for doing Open Work Stitching.

Country Status (3)

Country Link
DE (1) DE323071C (en)
FR (1) FR465189A (en)
GB (1) GB191318644A (en)

Also Published As

Publication number Publication date
FR465189A (en) 1914-04-09
DE323071C (en) 1920-07-15

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