US3898942A - Ejector for a winding device - Google Patents

Ejector for a winding device Download PDF

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Publication number
US3898942A
US3898942A US451705A US45170574A US3898942A US 3898942 A US3898942 A US 3898942A US 451705 A US451705 A US 451705A US 45170574 A US45170574 A US 45170574A US 3898942 A US3898942 A US 3898942A
Authority
US
United States
Prior art keywords
hub
bushing
bobbin
spindle
arm
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
US451705A
Other languages
English (en)
Inventor
Hannes Giesselmann
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.)
Husqvarna AB
Original Assignee
Husqvarna AB
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 Husqvarna AB filed Critical Husqvarna AB
Application granted granted Critical
Publication of US3898942A publication Critical patent/US3898942A/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
    • D05B59/00—Applications of bobbin-winding or -changing devices; Indicating or control devices associated therewith

Definitions

  • ABSTRACT 30 Foreign Application priority Data An ejector for a winding device on a sewing machine Mar 16 1973 Sweden 73036931 in which the device has a bobbin spindle protruding from the machine body and a sleeve or bushing encir- [52] U S Cl 112/218 A cling the spindle and associated with a hub journalled [51] In ⁇ .032...
  • Such a device will, according to the invention, be realized when one end of the arm is provided with a hub joumalled in the sewing machine body concentrically with a bobbin spindle protruding from the body, and that a sleeve or bushing encircling the spindle is associated with the inside of the hub by means of threads displacing the sleeve axially within the hub, when the arm is pivoted.
  • FIG. 2 the clutch arm taken apart
  • FIG. 3 the clutch arm assembled.
  • the winding device is located at the side end of the machine stand 1 and a bobbin 3 may be placed onto a projecting bobbin spindle 2.
  • the bobbin spindle has a slot in which is inserted a wedge 4 belonging to a freewheel between the spindle and an inner driving element which is in driving connection with the shafts of the machine.
  • a wedge and freewheel are known in themselves and do not have to be explained here in detail.
  • a hole 6 (FIG. 2) is provided around the bobbin spindle in which is mounted an arm winding only anticlockwise, since the shield prevents the thread end from being placed in clockwise on the bobbin, when the same is inserted in the manner illustrated by FIG. 1.
  • the end of the arm is provided with a notch 12 and is in projecting position outside the body of the machine, so that the thread can pass freely from the needle of the sewing machine through the notch to the bobbin.
  • the winding directly from the needle brings with it the advantage that the upper thread inserted in the machine can be used for winding of the lower thread, which represents a saving of time.
  • a bushing 13 is inserted which has approximately the same outside diameter as the bobbin,
  • the bushing has an axial groove 14 which slides towards the peg l0 and a pair of helical grooves 15 which correspond to an internal thread 16 in the hub.
  • the thread slides in the groove 15, and since the bushing is prevented by the peg 10 from rotating the bushing is displaced axially in the hub.
  • the bushing In FIG. 1, the bushing is in its inner position, with a bobbin being accommodated on the outside; in FIG. 3, the bushing is in its outer position.
  • the bushing 13 serves as an ejector for the bobbin.
  • An ejector for a winding device on a sewing machine having a body including a wall; the device including a bobbin spindle on said sewing machine protruding through a hole in the body and a bushing encircling the spindle; a hub including an arm extending outwardly therefrom joumaled over said bushing in said hole in the wall of the machine body concentrically with the bobbin spindle and rotatable by means of said arm; said wall and bushing including cooperating means for locking said bushing against rotation but permitting axial displacement of said bushing; said bushing and said hub including cooperating thread means for axially displacing said bushing with respect to said hub upon rotation of said hub, whereby to effect an axial, ejecting motion against a bobbin inserted on the bobbin spindle when the hub is rotated by said arm in a predetermined direction.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
US451705A 1973-03-16 1974-03-15 Ejector for a winding device Expired - Lifetime US3898942A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7303693A SE371221B (enrdf_load_stackoverflow) 1973-03-16 1973-03-16

Publications (1)

Publication Number Publication Date
US3898942A true US3898942A (en) 1975-08-12

Family

ID=20316935

Family Applications (1)

Application Number Title Priority Date Filing Date
US451705A Expired - Lifetime US3898942A (en) 1973-03-16 1974-03-15 Ejector for a winding device

Country Status (10)

Country Link
US (1) US3898942A (enrdf_load_stackoverflow)
JP (1) JPS5532399B2 (enrdf_load_stackoverflow)
BR (1) BR7402014D0 (enrdf_load_stackoverflow)
CH (1) CH568425A5 (enrdf_load_stackoverflow)
DD (1) DD110318A5 (enrdf_load_stackoverflow)
ES (1) ES424320A1 (enrdf_load_stackoverflow)
FR (1) FR2221564B1 (enrdf_load_stackoverflow)
GB (1) GB1462490A (enrdf_load_stackoverflow)
IT (1) IT1010676B (enrdf_load_stackoverflow)
SE (1) SE371221B (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55128179A (en) * 1979-03-28 1980-10-03 Toshiba Corp Radiant ray detector

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2592516A (en) * 1946-10-17 1952-04-08 Willcox & Gibbs Sewing Machine Bobbin winder for sewing machines
US2620141A (en) * 1946-04-05 1952-12-02 Langbo Georg Winding machine for paper rolls
US2781179A (en) * 1953-10-05 1957-02-12 Morgan Construction Co Reel for rolling mill
US2826376A (en) * 1956-11-05 1958-03-11 Hydrometals Inc Coil stabilizing apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2620141A (en) * 1946-04-05 1952-12-02 Langbo Georg Winding machine for paper rolls
US2592516A (en) * 1946-10-17 1952-04-08 Willcox & Gibbs Sewing Machine Bobbin winder for sewing machines
US2781179A (en) * 1953-10-05 1957-02-12 Morgan Construction Co Reel for rolling mill
US2826376A (en) * 1956-11-05 1958-03-11 Hydrometals Inc Coil stabilizing apparatus

Also Published As

Publication number Publication date
IT1010676B (it) 1977-01-20
BR7402014D0 (pt) 1974-11-05
DD110318A5 (enrdf_load_stackoverflow) 1974-12-12
JPS5532399B2 (enrdf_load_stackoverflow) 1980-08-25
DE2411955A1 (de) 1974-10-10
CH568425A5 (enrdf_load_stackoverflow) 1975-10-31
DE2411955B2 (de) 1975-10-02
AU6663374A (en) 1975-09-18
FR2221564B1 (enrdf_load_stackoverflow) 1980-04-11
SE371221B (enrdf_load_stackoverflow) 1974-11-11
FR2221564A1 (enrdf_load_stackoverflow) 1974-10-11
ES424320A1 (es) 1976-06-01
GB1462490A (en) 1977-01-26
JPS50949A (enrdf_load_stackoverflow) 1975-01-08

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