FR2162964A5 - Thread mechanism - Google Patents

Thread mechanism

Info

Publication number
FR2162964A5
FR2162964A5 FR7241255A FR7241255A FR2162964A5 FR 2162964 A5 FR2162964 A5 FR 2162964A5 FR 7241255 A FR7241255 A FR 7241255A FR 7241255 A FR7241255 A FR 7241255A FR 2162964 A5 FR2162964 A5 FR 2162964A5
Authority
FR
France
Prior art keywords
thread tension
discs
brake discs
thread
tension brake
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
FR7241255A
Other languages
French (fr)
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
Priority claimed from IT31523/71A external-priority patent/IT941262B/en
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of FR2162964A5 publication Critical patent/FR2162964A5/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B47/00—Needle-thread tensioning devices; Applications of tensometers
    • D05B47/04—Automatically-controlled tensioning devices
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B65/00—Devices for severing the needle or lower thread
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05D—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES D05B AND D05C, RELATING TO SEWING, EMBROIDERING AND TUFTING
    • D05D2207/00—Use of special elements
    • D05D2207/02—Pneumatic or hydraulic devices

Landscapes

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

Abstract

Designed for a chain stitch sewing machine, a phase relay operates two magnetic valves in na alternating rhythm to determine the flow of compressed air to the thread cutting assembly and the thread tension brake discs, where a plunger separates them to release thread tension. Precise control of the movement of the thread tension brake discs is achieved with adjustment for the time span during which the discs are in the open position.
FR7241255A 1969-04-23 1972-11-21 Thread mechanism Expired FR2162964A5 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT1588369 1969-04-23
IT31523/71A IT941262B (en) 1971-11-24 1971-11-24 DEVICE FOR SYNCHRONIZATION BETWEEN THE LOOSENING OF THE NEEDLE THREAD TENSION AND THE CUTTING WITH TEMPORIZATION OF THE RELEASE OF THE THREAD TENSION AND INDEPENDENT CONTROL OF THE DELAY IN OPENING OF THE STAINLESS PLATE TO BE SEWED AT THE LOCKED STITCH

Publications (1)

Publication Number Publication Date
FR2162964A5 true FR2162964A5 (en) 1973-07-20

Family

ID=26326821

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7241255A Expired FR2162964A5 (en) 1969-04-23 1972-11-21 Thread mechanism

Country Status (2)

Country Link
DE (1) DE2018449A1 (en)
FR (1) FR2162964A5 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3113088C2 (en) * 1981-04-01 1983-07-07 Maier-Unitas GmbH, 7316 Köngen Blind stitch sewing machine

Also Published As

Publication number Publication date
DE2018449A1 (en) 1970-11-19

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Legal Events

Date Code Title Description
ST Notification of lapse