GB1324461A - Automatic buttonhole mechanisms in a zigzag sewing machine - Google Patents

Automatic buttonhole mechanisms in a zigzag sewing machine

Info

Publication number
GB1324461A
GB1324461A GB2675371*A GB2675371A GB1324461A GB 1324461 A GB1324461 A GB 1324461A GB 2675371 A GB2675371 A GB 2675371A GB 1324461 A GB1324461 A GB 1324461A
Authority
GB
United Kingdom
Prior art keywords
sewing machine
reflecting
photo
wheel
bunch
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
GB2675371*A
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.)
Singer Co
Original Assignee
Singer Co
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 Singer Co filed Critical Singer Co
Publication of GB1324461A publication Critical patent/GB1324461A/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
    • D05B3/06—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 for sewing buttonholes

Landscapes

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

Abstract

1324461 Photo-electric control of sewing machine SINGER CO 19 April 1971 [17 April 1970] 26753/71 Heading G1A [Also in Division D1] A photo-electric device controlling the steps of sewing a button hole (see Division D1) comprises a lamp 77, Fig. 5 a bunch 76 of fibre optic strands leading to a reflecting device 32, a second bunch 78 leading from the device 32 to a photo-sensitive device 79 comprising transistors connected as a super alpha pair. The reflecting device comprises a tyred wheel 50 journalled in a block slidable in an arm 37 secured to the sewing machine head Fig. 1 (not shown) and spring-biased into contact with the work. The rim of a boss on the wheel is provided with a fixed reflecting surface 69 and a second reflecting surface disposed on an arm 57 which can be moved around the periphery of the boss to vary the distance between the surfaces. The selected distance determines the length of the button hole, the wheel being turned by the passing material and light signals being sent to the device 79, as the reflecting surfaces pass under the end of the light guide 73 comprising the two bunches 76, 78 of fibre optic strands. Detector 79 is used to operate a solenoid 132 through a silicon controlled rectifier 146.
GB2675371*A 1970-04-17 1971-04-19 Automatic buttonhole mechanisms in a zigzag sewing machine Expired GB1324461A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2962270A 1970-04-17 1970-04-17

Publications (1)

Publication Number Publication Date
GB1324461A true GB1324461A (en) 1973-07-25

Family

ID=21849995

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2675371*A Expired GB1324461A (en) 1970-04-17 1971-04-19 Automatic buttonhole mechanisms in a zigzag sewing machine

Country Status (3)

Country Link
US (1) US3596618A (en)
FR (1) FR2089637A5 (en)
GB (1) GB1324461A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52146342A (en) * 1976-05-27 1977-12-06 Janome Sewing Machine Co Ltd Buttonhole stitch controller for sewing machine
US4056070A (en) * 1976-10-15 1977-11-01 The Singer Company Automatic one-step buttonholing device
US4019449A (en) * 1976-10-18 1977-04-26 The Singer Company Automatic buttonholing sizing device
US4182249A (en) * 1977-06-13 1980-01-08 Maruzen Sewing Machine Co., Ltd. Automatic buttonhole apparatus for use with sewing machine
US4121526A (en) * 1977-09-30 1978-10-24 The Singer Company Electronically controlled sewing machine with cam controlled feed
IT1162042B (en) * 1978-02-21 1987-03-18 Necchi Spa ELECTRONIC SEWING MACHINE CONTROLLED BY A MICROCALCULATOR
DE2938064C2 (en) * 1979-09-20 1983-12-08 Kochs Adler Ag, 4800 Bielefeld Sewing machine controlled by a computer to generate a trajectory
EP0170615B1 (en) * 1984-06-27 1988-03-30 Fritz Gegauf Ag Bernina-Nähmaschinenfabrik Button hole sewing device
JP6531005B2 (en) * 2015-08-03 2019-06-12 蛇の目ミシン工業株式会社 Sewing machine capable of detecting feed amount of sewing material

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3113537A (en) * 1960-03-28 1963-12-10 Necchi Spa Machine for sewing on designs including buttonholes
US3503350A (en) * 1967-11-20 1970-03-31 Singer Co Sewing machine cam selector mechanisms
US3518954A (en) * 1968-06-21 1970-07-07 Singer Co Round end buttonhole mechanism for zigzag sewing machines

Also Published As

Publication number Publication date
FR2089637A5 (en) 1972-01-07
US3596618A (en) 1971-08-03

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees