DE952588C - Two-part gripper for sewing machines - Google Patents

Two-part gripper for sewing machines

Info

Publication number
DE952588C
DE952588C DEM18467A DEM0018467A DE952588C DE 952588 C DE952588 C DE 952588C DE M18467 A DEM18467 A DE M18467A DE M0018467 A DEM0018467 A DE M0018467A DE 952588 C DE952588 C DE 952588C
Authority
DE
Germany
Prior art keywords
gripper
bobbin case
basket
magnet
sewing machines
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
DEM18467A
Other languages
German (de)
Inventor
Kurt Brandt
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.)
Messerschmitt AG
Original Assignee
Messerschmitt AG
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 DEM18081A external-priority patent/DE950528C/en
Application filed by Messerschmitt AG filed Critical Messerschmitt AG
Priority to DEM18467A priority Critical patent/DE952588C/en
Application granted granted Critical
Publication of DE952588C publication Critical patent/DE952588C/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B57/00—Loop takers, e.g. loopers
    • D05B57/08—Loop takers, e.g. loopers for lock-stitch sewing machines
    • D05B57/10—Shuttles
    • D05B57/20—Shuttles with bobbin casings held by magnetic forces

Landscapes

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

Description

In Betracht gezogene Druckschriften:
Deutsche Patentschrift Nr. 270 679;
schweizerische Patentschrift Nr. 274808;
USA.-Patentschriften Nr. 2394369, 2656127, 601 901, 2 608 945, 2 610 806.Considered publications:
German Patent No. 270 679;
Swiss Patent No. 274808;
U.S. Patent Nos. 2394369, 2656127, 601 901, 2 608 945, 2 610 806.

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

® 609508/35 4.56 (609 682 11.56)® 609508/35 4.56 (609 682 11.56)

Claims (2)

Patentansprüche:Patent claims: i. Zweiteiliger Greifer für Nähmaschinen, bei dem die Spulenkapsel axial aus dem Greiferkorb herausnehmbar ist, wobei zwischen Greiferkorb und Spulenkapsel magnetische Halterungsmittel in Form eines Topfmagneten vorgesehen sind, nach Patent 950 528, dadurch gekennzeichnet, daß der Topfmagnet durch den Greiferkorb (1) bzw. durch Teile des Greiferkorbs (1), wie etwa dessen Wandung, und einen Magnetkörper (8) gebildet ist, wobei zwischen der Wandung des Greiferkorbs (1) und dem Magnetkörper (8) ein ringförmiger Spalt (7) verbleiben kann, beispielsweise derart, daß die der Spulenkapsel (3) zugewandte Fläche des Magnetkörpers (8) den Nordpol und die Stirnfläche der Wandung des Greiferkorbs (1) den Südpol des Topfmagneten bilden,i. Two-part gripper for sewing machines, in which the bobbin case is axially removable from the hook basket, with between Hook basket and bobbin case magnetic holding means in the form of a pot magnet are provided, according to Patent 950 528, characterized in that the pot magnet by the Grab cage (1) or parts of the grab cage (1), such as its wall, and a Magnet body (8) is formed, between the wall of the gripper basket (1) and the Magnet body (8) an annular gap (7) can remain, for example such that the the bobbin case (3) facing surface of the magnet body (8) the north pole and the end face the wall of the gripper basket (1) form the south pole of the pot magnet, 2. Zweiteiliger Greifer für Nähmaschinen nach Anspruch 1, dadurch gekennzeichnet, daß die Spulenkapsel (3) mit Öffnung nach außen angeordnet ist, und zwar unter Belassung eines den Fadendurchgaiig ermöglichenden Luftspaltes zwischen dem Boden der Spulenkapsel (3) und dem Grund, und zwar insbesondere dem Magnetstück (8) des Greiferkorbs (1).2. Two-part gripper for sewing machines according to claim 1, characterized in that the bobbin case (3) is arranged with an opening to the outside, leaving one the air gap permitting the thread through between the bottom of the bobbin case (3) and the bottom, in particular the magnet piece (8) of the gripper basket (1).
DEM18467A 1953-04-10 1953-05-07 Two-part gripper for sewing machines Expired DE952588C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEM18467A DE952588C (en) 1953-04-10 1953-05-07 Two-part gripper for sewing machines

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEM18081A DE950528C (en) 1953-04-10 1953-04-10 Two-part gripper for sewing machines
DEM18467A DE952588C (en) 1953-04-10 1953-05-07 Two-part gripper for sewing machines

Publications (1)

Publication Number Publication Date
DE952588C true DE952588C (en) 1956-11-15

Family

ID=25986637

Family Applications (1)

Application Number Title Priority Date Filing Date
DEM18467A Expired DE952588C (en) 1953-04-10 1953-05-07 Two-part gripper for sewing machines

Country Status (1)

Country Link
DE (1) DE952588C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0200675A2 (en) * 1985-03-20 1986-11-05 Mefina S.A. Loop taker with a rotary hook for a sewing machine

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE270679C (en) *
US2394369A (en) * 1943-09-13 1946-02-05 White Sewing Machine Corp Rotary loop taker for sewing machines
CH274808A (en) * 1947-11-01 1951-04-30 Hagquist Arne Hook shuttle on a sewing machine.
US2601901A (en) * 1949-05-10 1952-07-01 Beech Aircraft Corp Automatic propeller feathering system
US2608945A (en) * 1947-11-01 1952-09-02 Hagquist Arne Electromagnetic shuttle for sewing machines
US2610806A (en) * 1950-09-20 1952-09-16 Du Pont Constant tension winding
US2656127A (en) * 1949-06-08 1953-10-20 Western Electric Co Apparatus for locking cop tubes on cop winding machines

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE270679C (en) *
US2394369A (en) * 1943-09-13 1946-02-05 White Sewing Machine Corp Rotary loop taker for sewing machines
CH274808A (en) * 1947-11-01 1951-04-30 Hagquist Arne Hook shuttle on a sewing machine.
US2608945A (en) * 1947-11-01 1952-09-02 Hagquist Arne Electromagnetic shuttle for sewing machines
US2601901A (en) * 1949-05-10 1952-07-01 Beech Aircraft Corp Automatic propeller feathering system
US2656127A (en) * 1949-06-08 1953-10-20 Western Electric Co Apparatus for locking cop tubes on cop winding machines
US2610806A (en) * 1950-09-20 1952-09-16 Du Pont Constant tension winding

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0200675A2 (en) * 1985-03-20 1986-11-05 Mefina S.A. Loop taker with a rotary hook for a sewing machine
EP0200675A3 (en) * 1985-03-20 1988-12-14 Mefina S.A. Loop taker with a rotary hook for a sewing machine

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