IT939908B - TENSIONING DEVICE FOR SEWING MACHINES - Google Patents

TENSIONING DEVICE FOR SEWING MACHINES

Info

Publication number
IT939908B
IT939908B IT70221/71A IT7022171A IT939908B IT 939908 B IT939908 B IT 939908B IT 70221/71 A IT70221/71 A IT 70221/71A IT 7022171 A IT7022171 A IT 7022171A IT 939908 B IT939908 B IT 939908B
Authority
IT
Italy
Prior art keywords
tensioning device
sewing machines
sewing
machines
tensioning
Prior art date
Application number
IT70221/71A
Other languages
Italian (it)
Original Assignee
Pfaff Ind Masch
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 Pfaff Ind Masch filed Critical Pfaff Ind Masch
Application granted granted Critical
Publication of IT939908B publication Critical patent/IT939908B/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B47/00—Needle-thread tensioning devices; Applications of tensometers

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
  • Tension Adjustment In Filamentary Materials (AREA)
  • Treatment Of Fiber Materials (AREA)
IT70221/71A 1970-11-03 1971-10-01 TENSIONING DEVICE FOR SEWING MACHINES IT939908B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE7040674 1970-11-03

Publications (1)

Publication Number Publication Date
IT939908B true IT939908B (en) 1973-02-10

Family

ID=6615455

Family Applications (1)

Application Number Title Priority Date Filing Date
IT70221/71A IT939908B (en) 1970-11-03 1971-10-01 TENSIONING DEVICE FOR SEWING MACHINES

Country Status (4)

Country Link
US (1) US3738298A (en)
JP (1) JPS533875Y2 (en)
GB (1) GB1332570A (en)
IT (1) IT939908B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5613000B2 (en) * 1972-12-26 1981-03-25
JPS49128571A (en) * 1973-04-13 1974-12-09
JPS50128587A (en) * 1974-03-29 1975-10-09
GB1481368A (en) * 1975-06-23 1977-07-27 Western Stamping Corp Sewing machine
JPS53146479A (en) * 1977-05-26 1978-12-20 Meiji Nat Kougiyou Kk Device for firing discharge lamp
US4448139A (en) * 1981-10-27 1984-05-15 Usm Corporation Automatic thread changing sewing machine
US4611547A (en) * 1984-06-13 1986-09-16 Janome Sewing Machine Co., Ltd. Upper thread tension device of a sewing machine
JP5458748B2 (en) * 2009-08-31 2014-04-02 アイシン精機株式会社 Sewing machine with needle thread tension adjustment device
EP3523473B1 (en) 2016-11-21 2023-05-03 Nike Innovate C.V. Gathering sewing machine and method
IT202200002474A1 (en) * 2022-02-10 2023-08-10 Vi Be Mac Spa Thread tensioning device for sewing machines and sewing machine comprising a thread tensioning device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE675102C (en) * 1937-09-23 1939-04-29 Phoenix Naehmaschinen A G Baer Upper thread tensioning device for sewing machines
DE723852C (en) * 1938-12-06 1942-08-12 An Vittorio Necchi Soc Tensioning device for the needle thread of sewing machines
US2701694A (en) * 1952-03-20 1955-02-08 White Sewing Machine Corp Thread tension device for sewing machines
US2726053A (en) * 1952-04-21 1955-12-06 Vittorio Necchi Societa Per Az Device for adjusting the tension of the upper thread in sewing machines
US3206138A (en) * 1963-05-24 1965-09-14 Loma B Beaty Thread tensioning device with interchangeable parts

Also Published As

Publication number Publication date
GB1332570A (en) 1973-10-03
US3738298A (en) 1973-06-12
JPS47292U (en) 1972-06-26
JPS533875Y2 (en) 1978-01-31

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