US3815531A - Sewing machine equipped with pulse generator - Google Patents

Sewing machine equipped with pulse generator Download PDF

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Publication number
US3815531A
US3815531A US00364835A US36483573A US3815531A US 3815531 A US3815531 A US 3815531A US 00364835 A US00364835 A US 00364835A US 36483573 A US36483573 A US 36483573A US 3815531 A US3815531 A US 3815531A
Authority
US
United States
Prior art keywords
sewing machine
machine according
shaft
pulse generator
main
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 - Lifetime
Application number
US00364835A
Inventor
J Wurst
Brien J O
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.)
SSMC Inc
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
Priority to US00364835A priority Critical patent/US3815531A/en
Priority to JP48116248A priority patent/JPS508654A/ja
Priority to GB4810273A priority patent/GB1440350A/en
Priority to IT30581/73A priority patent/IT998969B/en
Priority to SE7315913A priority patent/SE403144B/en
Priority to DE2360472A priority patent/DE2360472C3/en
Priority to FR7400340A priority patent/FR2231793B3/fr
Priority to CH146574A priority patent/CH573493A5/xx
Application granted granted Critical
Publication of US3815531A publication Critical patent/US3815531A/en
Publication of US3815531B1 publication Critical patent/US3815531B1/en
Assigned to SSMC INC., A CORP. OF DE reassignment SSMC INC., A CORP. OF DE ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: SINGER COMPANY, THE
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B69/00—Driving-gear; Control devices
    • D05B69/22—Devices for stopping drive when sewing tools have reached a predetermined position
    • D05B69/24—Applications of devices for indicating or ascertaining sewing-tool position

Abstract

A sewing machine equipped with a pulse generating means capable of providing digitally coded signal pulses related to the angular position of the sewing machine main-shaft is disclosed. The total number of coded signals exceeds the number of angular position sensors employed. The preferred embodiment utilized two Hall effect devices to provide four binary coded signals responsive to the position of the sewing machine mainshaft.

Claims (8)

1. In a sewing machine having stitch forming instrumentalities including needle bar actuating means including a main shaft operatively connected to means for controlling said stitch forming instrumentalities, and pulse generator means driven by said main-shaft and providing at least three successively different digitally coded signals related to preselected angular positions of said main shaft upon movement of said main-shaft in one direction of rotation for synchronizing said controlling means with said shaft.
2. A sewing machine according to claim 1 wherein said signals are binary coded.
3. A sewing machine according to claim 1 wherein said controlling means is a digital control means.
4. A sewing machine according to claim 1 wherein said pulse generator means comprises a plurality of position sensing devices responsive to said actuating means and collectively providing a number of coded signals exceeding the number of said sensing devices.
5. A sewing machine according to claim 1 wherein said pulse generator provides binary coded pulses related to the angular position of said main-shaft member and includes two sensor means and two position indicating means.
6. A sewing machine according to claim 1 wherein said sensor means is a Hall device.
7. A sewing machine according to claim 1 wherein said pulse generator for providing digitally coded pulses relating to the angular position of a rotating main-shaft member, comprises: a. a base member; b. permanent magnet means adapted to be affixed to said base member; c. a plurality of sensor means adapted to be mounted juxtaposition said permanent magnet means for providing signal pulses, said sensor means having two stable states; and d. a plurality of position indicating means carried by said rotating member, each having a stepped peripheral circumference cooperating with said sensor means for changing the state of said sensor means in accordance with preselected angular positions of said rotating member.
8. A sewing machine according to claim 7 wherein said base member includes a portion at one end extending outwardly therefrom and said rotating member further includes a circular shaped disc mounted thereon and adapted to cooperate with said outwardly extending base member portion.
US00364835A 1973-05-29 1973-05-29 Sewing machine equipped with pulse generator Expired - Lifetime US3815531A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
US00364835A US3815531A (en) 1973-05-29 1973-05-29 Sewing machine equipped with pulse generator
JP48116248A JPS508654A (en) 1973-05-29 1973-10-16
GB4810273A GB1440350A (en) 1973-05-29 1973-10-16 Sewing machine equipped with pulse generator
IT30581/73A IT998969B (en) 1973-05-29 1973-10-25 SEWING MACHINE EQUIPPED WITH PULSE GENERATOR
SE7315913A SE403144B (en) 1973-05-29 1973-11-23 SEWING MACHINE WITH PULSE GENERATOR
DE2360472A DE2360472C3 (en) 1973-05-29 1973-12-05 Sewing machine synchronizer
FR7400340A FR2231793B3 (en) 1973-05-29 1974-01-04
CH146574A CH573493A5 (en) 1973-05-29 1974-02-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00364835A US3815531A (en) 1973-05-29 1973-05-29 Sewing machine equipped with pulse generator

Publications (2)

Publication Number Publication Date
US3815531A true US3815531A (en) 1974-06-11
US3815531B1 US3815531B1 (en) 1987-04-07

Family

ID=23436300

Family Applications (1)

Application Number Title Priority Date Filing Date
US00364835A Expired - Lifetime US3815531A (en) 1973-05-29 1973-05-29 Sewing machine equipped with pulse generator

Country Status (8)

Country Link
US (1) US3815531A (en)
JP (1) JPS508654A (en)
CH (1) CH573493A5 (en)
DE (1) DE2360472C3 (en)
FR (1) FR2231793B3 (en)
GB (1) GB1440350A (en)
IT (1) IT998969B (en)
SE (1) SE403144B (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3972297A (en) * 1974-01-30 1976-08-03 Union Special Corporation Sewing machine position and speed sensing system
US4103632A (en) * 1977-10-20 1978-08-01 The Singer Company Stepping motor shaft position determining arrangement
US4143605A (en) * 1976-08-09 1979-03-13 Yamamoto Electric Industrial Co., Ltd. Motor driven sewing machine
US4269132A (en) * 1978-01-13 1981-05-26 Hsu Yung San Position indicating unit for sewing machines
US5079945A (en) * 1991-01-23 1992-01-14 Delco Electronics Corporation Crankshaft direction of rotation detecting apparatus
US20110041746A1 (en) * 2007-08-30 2011-02-24 Henrik Eklund Positioning of stitch data objects
US20110094426A1 (en) * 2007-11-09 2011-04-28 Vsm Group Ab Thread cut with variable thread consumption in a sewing machine
US20110146553A1 (en) * 2007-12-27 2011-06-23 Anders Wilhelmsson Sewing machine having a camera for forming images of a sewing area
US20110168070A1 (en) * 2007-08-30 2011-07-14 Pierre Lanquist Sewing machine modification tools
US8960112B2 (en) 2013-02-01 2015-02-24 Vsm Group Ab Stitching system and method for stitch stop embellishments
US8985038B2 (en) 2010-06-09 2015-03-24 Vsm Group Ab Feeder movement compensation

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5458556A (en) * 1977-10-15 1979-05-11 Maruzen Sewing Machine Control signal generator for zigzag sewing machine
US4214539A (en) * 1978-09-21 1980-07-29 The Singer Company Position sensing device for electronic sewing machine
WO2009157832A1 (en) 2008-06-26 2009-12-30 Vsm Group Ab A mechanically operated presser foot lift arrangement and a sewing machine comprising the arrangement
US8833281B2 (en) 2009-06-01 2014-09-16 Vsm Group Ab Texture hoop fixture
US9631304B2 (en) 2013-03-15 2017-04-25 Singer Sourcing Limited Llc Variable timing system of a sewing machine and method for selectively adjusting a timing of such a system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3582739A (en) * 1968-07-09 1971-06-01 Quick Rotan Becker & Notz Kg Synchronizer for presetting the stop position of a rotary shaft

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3582739A (en) * 1968-07-09 1971-06-01 Quick Rotan Becker & Notz Kg Synchronizer for presetting the stop position of a rotary shaft

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3972297A (en) * 1974-01-30 1976-08-03 Union Special Corporation Sewing machine position and speed sensing system
US4143605A (en) * 1976-08-09 1979-03-13 Yamamoto Electric Industrial Co., Ltd. Motor driven sewing machine
US4103632A (en) * 1977-10-20 1978-08-01 The Singer Company Stepping motor shaft position determining arrangement
US4269132A (en) * 1978-01-13 1981-05-26 Hsu Yung San Position indicating unit for sewing machines
US5079945A (en) * 1991-01-23 1992-01-14 Delco Electronics Corporation Crankshaft direction of rotation detecting apparatus
US20110168070A1 (en) * 2007-08-30 2011-07-14 Pierre Lanquist Sewing machine modification tools
US20110041746A1 (en) * 2007-08-30 2011-02-24 Henrik Eklund Positioning of stitch data objects
US8683932B2 (en) 2007-08-30 2014-04-01 Vsm Group Ab Positioning of stitch data objects
US20110094426A1 (en) * 2007-11-09 2011-04-28 Vsm Group Ab Thread cut with variable thread consumption in a sewing machine
US8925473B2 (en) 2007-11-09 2015-01-06 Vsm Group Ab Thread cut with variable thread consumption in a sewing machine
US8606390B2 (en) 2007-12-27 2013-12-10 Vsm Group Ab Sewing machine having a camera for forming images of a sewing area
US20110146553A1 (en) * 2007-12-27 2011-06-23 Anders Wilhelmsson Sewing machine having a camera for forming images of a sewing area
US8985038B2 (en) 2010-06-09 2015-03-24 Vsm Group Ab Feeder movement compensation
US8960112B2 (en) 2013-02-01 2015-02-24 Vsm Group Ab Stitching system and method for stitch stop embellishments

Also Published As

Publication number Publication date
SE403144B (en) 1978-07-31
FR2231793B3 (en) 1976-10-22
FR2231793A1 (en) 1974-12-27
CH573493A5 (en) 1976-03-15
GB1440350A (en) 1976-06-23
DE2360472B2 (en) 1979-03-29
JPS508654A (en) 1975-01-29
DE2360472A1 (en) 1974-12-12
US3815531B1 (en) 1987-04-07
DE2360472C3 (en) 1979-11-15
SE7315913L (en) 1974-12-02
IT998969B (en) 1976-02-20

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Legal Events

Date Code Title Description
STCF Information on status: patent grant

Free format text: PATENTED FILE - (OLD CASE ADDED FOR FILE TRACKING PURPOSES)

RR Request for reexamination filed

Effective date: 19851216

B1 Reexamination certificate first reexamination
AS Assignment

Owner name: SSMC INC., A CORP. OF DE, CONNECTICUT

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:SINGER COMPANY, THE;REEL/FRAME:005041/0077

Effective date: 19881202