US1820119A - Graduated tension regulator for sewing machines - Google Patents

Graduated tension regulator for sewing machines Download PDF

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Publication number
US1820119A
US1820119A US450952A US45095230A US1820119A US 1820119 A US1820119 A US 1820119A US 450952 A US450952 A US 450952A US 45095230 A US45095230 A US 45095230A US 1820119 A US1820119 A US 1820119A
Authority
US
United States
Prior art keywords
stem
tension
nut
spring
washer
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
US450952A
Other languages
English (en)
Inventor
Daniel H Chason
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
Priority to US450952A priority Critical patent/US1820119A/en
Application granted granted Critical
Publication of US1820119A publication Critical patent/US1820119A/en
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
    • D05B47/00—Needle-thread tensioning devices; Applications of tensometers

Definitions

  • the spring 20 is engaged at its outer end by the rin -shaped member, preferably in the form 0 a washer 21, formed with a diameter-bar 22 having a forwardly extending stem-portion 23 disposed in the slot 16 in the stem 10.
  • the washer 21 is engaged or backed by a dial-nut 24 having an outwardly flaring conical skirt 25, the rim of which-is slightly smaller than and is received within the rim 26 of the base-cup 19.
  • the skirt is preferably formed integral with and non-adjustable relative to the screw-threaded head of the nut 24. It overhangs and encloses the ma or portion of the bee-hive sprin 20.
  • the device may be taken apart by first turning the dial-nut 24 to the left or unscrewing it as far as it will go and by then depressing the washer 21 with the aid of a screw-driver blade 37, as shown in Fig. 10, to carry the stop-shoulder 30 inwardly out of range of the stop-pin 28, whereupon the dial-nut 24 may be entirely unscrewed and removed from the stem 16.
  • the other parts ma then be readily slip d ofl.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
US450952A 1930-05-09 1930-05-09 Graduated tension regulator for sewing machines Expired - Lifetime US1820119A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US450952A US1820119A (en) 1930-05-09 1930-05-09 Graduated tension regulator for sewing machines

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US450952A US1820119A (en) 1930-05-09 1930-05-09 Graduated tension regulator for sewing machines
GB20767/30A GB351754A (en) 1930-07-09 1930-07-09 Graduated tension regulators for sewing machines

Publications (1)

Publication Number Publication Date
US1820119A true US1820119A (en) 1931-08-25

Family

ID=10151309

Family Applications (1)

Application Number Title Priority Date Filing Date
US450952A Expired - Lifetime US1820119A (en) 1930-05-09 1930-05-09 Graduated tension regulator for sewing machines

Country Status (4)

Country Link
US (1) US1820119A (fr)
DE (1) DE559591C (fr)
FR (1) FR699718A (fr)
GB (1) GB351754A (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2518703A (en) * 1946-08-09 1950-08-15 Singer Mfg Co Tension device
US2582211A (en) * 1950-05-20 1952-01-08 Singer Mfg Co Tension releasing device for sewing machines
US2701694A (en) * 1952-03-20 1955-02-08 White Sewing Machine Corp Thread tension device for sewing machines
US2723088A (en) * 1952-09-26 1955-11-08 Gellman Mfg Co Thread tensioning device
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
US4545311A (en) * 1984-08-02 1985-10-08 The Singer Company Thread tensioning device for a sewing machine
US4947773A (en) * 1989-07-20 1990-08-14 Jean Blanc Ferdinand H Thread guide ring for a needle bar
US5191847A (en) * 1991-04-16 1993-03-09 The Singer Company N.V. Tension regulating device
US20080257243A1 (en) * 2007-04-17 2008-10-23 Brother Kogyo Kabushiki Kaisha Thread tension device for sewing machine

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2518703A (en) * 1946-08-09 1950-08-15 Singer Mfg Co Tension device
US2582211A (en) * 1950-05-20 1952-01-08 Singer Mfg Co Tension releasing device for 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
US2723088A (en) * 1952-09-26 1955-11-08 Gellman Mfg Co Thread tensioning device
US4545311A (en) * 1984-08-02 1985-10-08 The Singer Company Thread tensioning device for a sewing machine
US4947773A (en) * 1989-07-20 1990-08-14 Jean Blanc Ferdinand H Thread guide ring for a needle bar
US5191847A (en) * 1991-04-16 1993-03-09 The Singer Company N.V. Tension regulating device
US20080257243A1 (en) * 2007-04-17 2008-10-23 Brother Kogyo Kabushiki Kaisha Thread tension device for sewing machine
US7493866B2 (en) * 2007-04-17 2009-02-24 Brother Kogyo Kabushiki Kaisha Thread tension device for sewing machine

Also Published As

Publication number Publication date
GB351754A (en) 1931-07-02
FR699718A (fr) 1931-02-19
DE559591C (de) 1932-09-21

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