GB222756A - Improvements in or relating to automatic sewing machines - Google Patents

Improvements in or relating to automatic sewing machines

Info

Publication number
GB222756A
GB222756A GB525824A GB525824A GB222756A GB 222756 A GB222756 A GB 222756A GB 525824 A GB525824 A GB 525824A GB 525824 A GB525824 A GB 525824A GB 222756 A GB222756 A GB 222756A
Authority
GB
United Kingdom
Prior art keywords
roller
lever
belt
fabric
sewing
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
GB525824A
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
Priority to GB525824A priority Critical patent/GB222756A/en
Publication of GB222756A publication Critical patent/GB222756A/en
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

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

Abstract

222,756. Boston, J. Feb. 29, 1924. Grouped machines; feeding long lengths of fabric; driving.-Lengths of fabric fed to a sewing machine for hemstitching in the production of handkerchiefs are re-wound on to a friction clutch actuated roller, the speed of which is regulated by a brake controlled by the tension of the fabric. The fabric passes over tension rollers 28, 30 on a pivoted gate 26, 27, Fig. 2, to a folder 4 and sewing-mechanism 3. The stitched material passes under a roller 18 on a weighted lever 17, over a tension roller 21 to a winding roller 22, Fig. 1. A power-shaft 8 drives the sewing- mechanism through a belt-drive 9 and a clutch 5 and also drives a pulley 15 through gearing 10, 11, a shaft 12 and a belt drive 13. The pulley 15 is spring-pressed against a friction plate 43 on a shaft 14a which actuates the roller 22, and drives the roller 21 by a belt 16. A starting lever 7 is operatively connected to a clutch-operating lever 6 and to a belt-shifter 41 for shifting the belt 13 to and from a loose pulley 14. The lever 17 is operatively connected to a brake 25 which acts on the roller 22 so that, if the tension on the material 20 becomes too great, the lever 17 is raised and the brake 25 is operated to slow down the roller 22. An arm 31 of a weighted bellcrank 31, 32, Fig. 2, which is pivoted in the gate rests on the material 20. When the material fails, the bell-crank drops and actuates a series of links and levers 34 - - 38 to free a latch 39 on the lever 7 which is thereupon spring-actuated to stop the sewing-mechanism and the roller 22.
GB525824A 1924-02-20 1924-02-20 Improvements in or relating to automatic sewing machines Expired GB222756A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB525824A GB222756A (en) 1924-02-20 1924-02-20 Improvements in or relating to automatic sewing machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB525824A GB222756A (en) 1924-02-20 1924-02-20 Improvements in or relating to automatic sewing machines

Publications (1)

Publication Number Publication Date
GB222756A true GB222756A (en) 1924-10-09

Family

ID=9792690

Family Applications (1)

Application Number Title Priority Date Filing Date
GB525824A Expired GB222756A (en) 1924-02-20 1924-02-20 Improvements in or relating to automatic sewing machines

Country Status (1)

Country Link
GB (1) GB222756A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112030377A (en) * 2020-09-03 2020-12-04 袁小盼 Positioning sewing machine capable of automatically cleaning interior

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112030377A (en) * 2020-09-03 2020-12-04 袁小盼 Positioning sewing machine capable of automatically cleaning interior

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