US2505036A - Sewing machine - Google Patents

Sewing machine Download PDF

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Publication number
US2505036A
US2505036A US589329A US58932945A US2505036A US 2505036 A US2505036 A US 2505036A US 589329 A US589329 A US 589329A US 58932945 A US58932945 A US 58932945A US 2505036 A US2505036 A US 2505036A
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US
United States
Prior art keywords
disk
sewing
disks
movement
pawl
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
US589329A
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English (en)
Inventor
Frankert Thor Gunnar
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 GB882345A external-priority patent/GB590032A/en
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of US2505036A publication Critical patent/US2505036A/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
    • D05B3/00—Sewing apparatus or machines with mechanism for lateral movement of the needle or the work or both for making ornamental pattern seams, for sewing buttonholes, for reinforcing openings, or for fastening articles, e.g. buttons, by sewing
    • D05B3/12—Sewing apparatus or machines with mechanism for lateral movement of the needle or the work or both for making ornamental pattern seams, for sewing buttonholes, for reinforcing openings, or for fastening articles, e.g. buttons, by sewing for fastening articles by sewing
    • D05B3/18—Sewing apparatus or machines with mechanism for lateral movement of the needle or the work or both for making ornamental pattern seams, for sewing buttonholes, for reinforcing openings, or for fastening articles, e.g. buttons, by sewing for fastening articles by sewing hooks or eyelets

Definitions

  • the presentginvention relates .to a device. in
  • . .sewingmachines .particular1yin-the ready-.made- ⁇ clothing industry, .for automatically sewing .on .hooks',.,or eyes to ribbons iorcorsets, 'for example.
  • thereare machines.,forthis purpose buttheyareexpensive, complicatedand 1 .not ⁇ quite -reliable of. service.
  • T-hus.it. has ,prayed .diiiicult. to ⁇ obtain/exact distances .between the ,hooksor veyes-on theribbon,V whichi's very importantbecause a Ifew fractions .only of.
  • Thedevice. according .to this.. invention eliminates these inconveniences.
  • the invention is substantially..characterizedby ⁇ the factpthat it consists of two .disks rotatably mountedion.. a common shaftand., resting .against v one another, the said disks .beingljby the-actuation of arod guided '.by an eccentric sheave on the sewingmachne adapted toA rotate. data .cer- .tain'angle the twodisks beingtmoreover.provided with cooperating Acarrying .and vlocking.devices fuor Y. V the hoo-k .or eye,.which.in.the initialposition of the disks...
  • Fig .l shows-a top View ⁇ of the device.
  • Fig2 A shows the device from theend, i. eingthelongi- Vt'udinal direc-:tionk of thesewing machineandi-romA ⁇ the .inside thereof.
  • Fig. 3. shows thedevice partly angles to. thelsingiiudinal.damien-Otite Sewingrnachine.
  • the .disk I/I is further ⁇ .provided with two pins Mend yI5,,eachoi whichenters itsindvidual slot I6 and l, Ill in the .upperdisk ;I2. e
  • e By this Varrangement the diskremarkably rotatable relatively toone anothe'ra 4 ⁇ distance .correspondingto .the length offth said slots.
  • .means .of a sleeve Ithe Aupper disk I2 is movable ⁇ aroundthe shaft --I il.
  • This sleeveI 8 carrieslin its turnV another vsleeve I9 rotatable ⁇ arounc'lvthesame.
  • the sleeve-I 9- isprovded with I.a presser,.or hook retaining ⁇ device for the hook or eye..consistingv of apawlll turnably mounted l on .an eark v2-.I .xed on -the sleeve I9.
  • n..the.iupper disk- I12 there ⁇ is further: located Vapin', 2.6,.whichsis adapted Vto actuate-the Vproing nortion. ill of the; segmental memberI 6. .,Bymeansfof api-votl'l. located onthe diskl2- the disksare via 'a 110x128 connected with-an eccencfgvsheaye onthe. sewingl rnachine,-thegT said l eave im artingjoftherod.afreciprocal.motion tothefdisks oscillatory .motion through known brake device 29.
  • the lower disk I I is still locked by the brake device 29, and therefore, after the hook or eye has fallen into the recess I3, the upper disk I2 turns and allows the pawl 20 to exactly lock the hook or eye by the rib 23 being turned forwards prior to the disks being moved together to the sewing position.
  • the device operates as follows:
  • the stop 2B actuates the protruding portion 9 of the segmental member 6 so that the latter turns a corresponding distance and drops a hook or eye from the magazine into the recess I3 -of the segmental flange c-n the lower disk II.
  • the rod 28 rotates the disks through a certain angle in counterclockwise direction so that the hook or eye comes to the sewing position shown in Fig. I.
  • the pawl 2li which serves as pressure foot, glides down from the upper step of the rib 23 and presses against the hook or eye in the recess I 3 and thus holds the same until it comes to the sewing position.
  • This downward gliding of the pawl 2t is caused by the rotation of the disk I2 relatively to the disk Ii a distance corresponding to a slot length.
  • the disk I2 first rotates a distance corresponding to the length of the slots IS, I l, the pawl 2l) gliding on to the upper step of the rib 23 and liberating the hook or eye.
  • the disk I Z carries along the lower disk II in the rotarymovement by means of the pins I4 and I5.
  • the pawl 20 accompanies in raised position the disk II due to the pull exerted by the spring upon the pin 24 and the sleeve I9.
  • the process is then repeated from the initial position at the feeding device.
  • the feeding of the ribbon takes place quite independently during the rotary movement, and therefore the longest possible time is obtained for the operation of the disks during the said movement.
  • the pins I 4 and I5 lie at the right hand ends of the slots I6 and I'I in the disk I2.
  • the disk I2 first rotates a distance corresponding to the length of the slot I6 0r Il; the pawl 2li gliding on to the upper plane of the projection 23 and liberating the hook or eye. Thereafter the disk Il is carried by the disk I2.
  • the pins I4 and l5 are at the left hand ends of the slots It and I'l.
  • the disk I 2 At counterclockwise movement to the sewing position the disk I 2 first rotates a distance corresponding to the length of the slot It'or I'I, the pawl 26 gliding on to the lower plane of the projection 23 and pressing the hook or eye in the recess and holds the same until it comes to the sewing position. These movements are facilitated by the fact that lthe disk II is provided with a brake device 29.
  • the device according to the invention is very simple with regard to its construction and mode of operation. Due to the compact construction which is based on a rotary movement, a great exactness of the mode of operation is obtained, all play or the like caused by levers and rods for example, being quite eliminated.
  • a mechanism for placing the objects to be sewed on in predetermined time intervals on the material following successive feeding movements thereof by the sewing machine comprising a rst member including an object holder and oscillatable between a feeding position in which said object holder is located to receive an object and a sewing position in which said object holder is located on the material to which the object is to be sewed, a second member oscillatable parallel to said first member through a distance exceeding that between said two positions, means p connecting said two members, for limited relative oscillatory movement, means for oscillating said second member in a predetermined sequence, a pressure foot connected to said iirst member for movement therewith between said two positions and movable towards and away from said object holder, and means including a cam on said second member cooperating with a portion of said pressure foot to move the latter away from said object holder when said second member starts its
  • a mechanism as claimed in claim l including brake means to prevent said i'lrst member from moving with said second member during the initial phase of each movement of the latter.
  • a mechanism for placing the objects to be sewed on in predetermined time intervals on the material following successive feeding movements thereof by the sewing machine comprising two superposed disks oscillatable about a common vertical axis through a certain angle in either direction, o-ne of said disks including an object holder which moves on oscillation of said Kdisk between a feeding position and a sewing position, means connecting said two disks for limited relative rotation, means for oscillating the other disk about said axis througha distance exceeding that between said two positions, a pressure foot connected to said first disk for movement therewith between said two positions and movable toward and away from said object holder, and means including a cam on said second disk cooperating with a portion of said pressure foot to move the latter away from said object holder when said second disk starts its movement in the direction from said sewing position toward said feeding position and to move said pressure foot toward said object holder when said second disk
  • said means connecting said twol disks include at least one pin projecting from one of said disks parallel to the axis thereof through an arcuate slot in the other disk.
  • said disk including the object holder is disposed below said second disk, the latter including an 20 said pressure foot including a sleeve rotatable 25 about said hub of the upper disk, a spring-actu- 6 ated pawl pivoted to said sleeve, an arm radially projecting from said sleeve, and a spring connecting said arm with one of the pins projecting from said lower disk through the slots in said upper disk.
  • the disk including the object holder is disposed below said second disk, the latter including an upwardly projecting hub, said pressure foot including a sleeve rotatable about said hub, a spring-actuated pawl pivoted to said sleeve and means connecting said sleeve to said lower disk for movement therewith, said cam being constituted by an arcuate rib on the upper surface of said upper disk including a lower step, a higher step, and an inclined cam portion connecting said two steps and arranged for cooperation with a portion of said pawl.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
US589329A 1944-03-24 1945-04-20 Sewing machine Expired - Lifetime US2505036A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE2505036X 1944-03-24
GB882345A GB590032A (en) 1945-04-10 1945-04-10 Improvements in sewing machines for attaching hooks and eyes

Publications (1)

Publication Number Publication Date
US2505036A true US2505036A (en) 1950-04-25

Family

ID=32232366

Family Applications (1)

Application Number Title Priority Date Filing Date
US589329A Expired - Lifetime US2505036A (en) 1944-03-24 1945-04-20 Sewing machine

Country Status (4)

Country Link
US (1) US2505036A (enrdf_load_stackoverflow)
BE (1) BE458531A (enrdf_load_stackoverflow)
CH (1) CH248452A (enrdf_load_stackoverflow)
FR (1) FR910386A (enrdf_load_stackoverflow)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
CH248452A (de) 1947-05-15
FR910386A (fr) 1946-06-05
BE458531A (enrdf_load_stackoverflow) 1945-05-31

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