US2334154A - Feed regulator for sewing machines - Google Patents

Feed regulator for sewing machines Download PDF

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Publication number
US2334154A
US2334154A US422790A US42279041A US2334154A US 2334154 A US2334154 A US 2334154A US 422790 A US422790 A US 422790A US 42279041 A US42279041 A US 42279041A US 2334154 A US2334154 A US 2334154A
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US
United States
Prior art keywords
arm
slide
block
adjusting rod
feed
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
US422790A
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English (en)
Inventor
Alfred R Wood
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 US422790A priority Critical patent/US2334154A/en
Priority to GB471/43A priority patent/GB562717A/en
Application granted granted Critical
Publication of US2334154A publication Critical patent/US2334154A/en
Priority to DEP37626D priority patent/DE824739C/de
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
    • D05B3/06—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 sewing buttonholes
    • D05B3/08—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 sewing buttonholes for buttonholes with eyelet ends

Definitions

  • buttonhole se ing machine In'the use of buttonhole se ing machine s'rit is frequently necessary when changing from one character of-work to another that thenumber of stitches required in the entire buttonholeihe venient application upon machines already in the V varied. It is, of coursegdesirablga that the hut- 10 tonhole machine be equipped with a suitable feed-regulator which J will provide means conveniently accessible for manipulationtby' the operator by which the number of stitches produced the solution of this problem that applicant has addressed himself. r f
  • a further object of thepresent invention is the provision of aieed-regulator designed sothat 5 adjustment of the number of stitches comprising the .buttonholemay. be made'overa wide range.
  • a still further object of the p ifes'ent invention isthe provisionof a feed-regulator for buttonhole machines whichis' capable' of being operated to change the number oistitches in a button hole duringflthe operation of the machine.
  • the' invention comprises in the buttonhole may be varied, It is toward 15 provided which the number of stitchesin the '20 buttonhole could be controlled, However, ef
  • Another object of thepresent invention is the' j provision of an improved feed regulator device ,which is self -contained and adapted for icon- 55 skilled in jithje art. 9
  • Fig. 4 is an nlarged vertical sectional View 7 taken transversely of the slotted arcuat'e clutchactuating arm and through. the. slide-block M mounted thereon, showingfthe linkconection with the slide-block; the parts illustratedbeing. shown in aninverted position.
  • K 1 Fig. 5 is an, enlarged horizontal "section-a1 view takenthrough the right angle brackeh'whichis H buttorihole "without having” to displace t -but- ,ceiving spindle.
  • Figf'l is a vertical sectional view taken through the bed, 1 illustrating ,a modification of the [feedregulatonplemental to the needle 7 in the formation of lock? g:
  • the preferred jm eansemployed for shifting sli iierblock'fi lengthwise for the clutch-actuating "arm 24 comprises a screw-'thr'eadedfrod 3'6 hav ing threaded-thereon intermediate its ends spaced ears "3'?"depending from the slide-block 23.
  • the slidblook 23 is preferably attached to the clutcheactuat ing arm 2'4 by means of a-slide 3 8 located in the 'T-s'haped sldb Ofjt'he clutchfact uatingarmwhich slide U8 pivotally secured to the slide-block 23 by the stud 4'8
  • the screwthreaded rod isjournaled at its inner end in 'trie menace through mechani'sm designed toimpartuntermittent. rotary movement to the feed-shaft. It is to animprovement in a portion of thishiechani sn'i that the presentinventi'on is directed. a ⁇ l hown in Figs.
  • the rod 'sfi is; preferably provided on its inner 'end with Ia bevel gear -48 in 'mes h 'wi-th a'se'cond bev-el gear 'jourrraled in v the "supporting bracket--H.
  • fsicrew threaded rod 38 is "prevented from moving end iser'e'lative to its supporting bracket-41 by thegear tft em; a collar 4 3" which is-secure'd on the a seby e set-screwts" (Fig, '5).- The 2 5% the bottom face of an internalspiderpr v I clutch-plate 21 which is formed with three peripheral notches '28 having slightly eccentric b'ot- 1 tom walls 29.
  • This me'ansis n '-th outer 'endofthe spindle 4% is formed into 21 te f'perclhekagdnal head '46 disposed to ccnveni en't- I ly'i'eceive the end of a Wrench 4% (shown in "djott ed lines in Fig; 2), 'a'daptedto be inserte'd tlirou'giha suitable'jclearance aperture 48 provided -"i'h-t e side wa-l-lcf the usual machine-supporting I 9 show-nth dot dash lines in' Fig. 1--.
  • tubular rock-shaft it is formed with an arm 52 slotted as at 53 to receive aslide-block 54 to whichis connected by a stud 55 the lower end of the pitman My At- 'through a clearance opening 63 formedin th depending side-Walled of the bed l.
  • patent to work-clainp including, an intermittent actuated device, an arm connected with said intermittent actuated deviceand having an arcuate longitudinal slot formed therein, a slide-block adjustably disposed lengthwiseof saidelongated slot, said adjusting rod being threaded into said slidereceived in said slot, actuating mechanism'connected to saidfslide-block for imparting oscillations to said arm,and a pivotally mounted screwthreaded adjusting rod disposed lengthwise of 'said slot andthreaded into said slide-block, said adjusting rod having means 'at one endadapted to receive a wrench by which theadjusting rod can be conveniently turned to move the slideblock lengthwise of said arm.
  • a frame a worn-clamp, and means forimparting work-advancing movements to said work-clamp including, an intermittent actuated devicemounted to operate about a fixed axis, an arm connected to "said intermittent actuated device and formed with an arcuate elongatedslot, a slide-block adjustably' mounted in said slot, actuating mechanism connected to said slideblock for imparting oscillations to'saidarm, a
  • an arm connectedto said feed+shait and formed withan arcuate elongated slot, a slide-block adjustably mounted in said slot, actuating mechanism connected to said slide-block for imparting oscillations to said arm, a supporting bracket freelyjournaled upon said feed-shaft adjacent said arm, a screw-threaded adjusting rod secured againstendwise movement in said bracket and block, and means provided at one end of said adjusting rod adapted to receive a wrench by which the adjusting rod, can be conveniently turned to shift the slide-block lengthwise of said 1 slot.
  • a group-stitch sewing machine having a frame, a work-clamp, and meansior imparting work-advancing movements to said work-clamp including, an intermittent actuated device, an actuating arm connected, with said device, a slideblock, means securing said slide-block on said actuating arm and permitting adjustment of said slide-block lengthwise of said arm, actuating mechanism connected to said slide-block for imparting movement to said actuating arm, a screwthreaded adjusting rod disposed lengthwise of said arm and threaded into said slide-block, a spindle, having an axis disposed at an angle to the axis of said adjusting rod, means operatively v onnecting said spindle with said adjusting rod, 1 and meansprovided on said;spindle by which it can be, conveniently turned torotate said adjusting rod and shift the slide-block lengthwise of said arm; i i
  • a group-stitch sewing machine having a frame, a work clamp, and means for imparting work-advancing movements to saidwork-clamp including, an intermittent actuated device, an actuating arm connected with said device, a-slideblock, means securing said slide-block on said Y actuating arm and permitting adjustment of said slide-block lengthwise of said arm, actuating mechanism connected to said slide-block for imincluding,
  • actuating arm connected with said device, a slideblock, means securing said slide-block on said. actuating arm and permitting. adjustment of said slide-block lengthwise of said arm, mechanism connected to said slide-block for imparting movement to said actuating arm, a screw-threaded adjusting rod disposed lengthwise of said arm and threaded intosaidslide-block, a gear mounted on said adjusting rod, a'spindle having an axis disposed at an angle to the axis of said adjusting "rod, a gear mounted on said spindle andlin mesh with the gear on said adjusting rod, and means provided on said spindle by whichit can be. con-- veniently turned to rotate said adjusting rod and shift the slide-block lengthwise of saidarm.
  • - actuating arm connected with said device and formed with an arcuate elongated slot,'a slideblock adjustably mounted in' said slot, actuating mechanism connected to said slide-block for imparting oscillations to said'actu'atin'g arm, a pivotally mounted supporting bracket positioned adjacent said actuating arm, a screw-threaded adjusting rod rotatablypmounted in said bracket 'an'd-disposed lengthwise of said elongated slot, said adjustingro-d being threaded into saidslideblock, a gear fixed on said adjustingro'd, a spindle; journaled in said supporting-bracket and arranged atan angle to said adjusting rod, a gear fix-ed on said spindle and in mesh with the gear on said adjusting rod, and means provided on-one end of said spindle to receive a wrenchby which the-adjusting rod can be turned to shift the" slideblock lengthwise of said slot.
  • a, group-stitch sewing machine having a frame; a work-clamp, and means for imparting work-advancing movements to said work -clamp an intermittent actuated device mounted to operate about a fixed axisr an actuating arm connected to said intermittent actuated device and mounted for oscillatory movements about said n xed axis of said intermittent, actuated device, saidactuating arm formed with [an arcuate' elongated slot, at s-lide block adjustabiy mounted insaid slot, operating mechanism connected to said slide-block for imparting oscillations to 'said' actuating arm, asupportinge bracket positioned adjacent said actuating arm the fixed axis; t said intermittent-actuated device, a screw-threaded adjusting rod 'rota tably mounted in said bracket and disposed lengthwise t andin mesh with the gear on said adjusting rod,
  • a group-stitch sewing machine having, in, combination, a frame, stitch-forming? mechanism including a needle, a work-clamp, and means for imparting relative movements between said work-clamp and needle including, an intermittent.
  • actuated device an arm connected with said intermittent actuated device and having anarcuate longitudinal slot formed therein, a slide-block adiustabl rcceivedin saidslot, actuating mechanism connected to said slide-block for imparting oscillations to said arm, and means for shifting saidslide-blook insaid' arcuate slot, said lastnaimed means including a bracket located beneath said intermittent actuated.
  • a screw-threaded adjusting rod journaled for rotation in said bracket and threaded into said slide-block, means for securing said screw-threaded adjusting rod against endwise movement relative to said bracket, and means provided-at one end of said screwthreaded adjusting rod adapted to receive, a wrench by which the adjusting rod can be conveniently rotated to, move the slide-block 1ength' wise of said arm.
  • a buttonholeisewing machine having a .frame including a bracket arm and a bed-structure provided with a clearance aperture, 2. feedlshaft journaled in said frame and having its lower" end extending within said bed-structure, "an intermittent actuated device operatively connected to the lower end of said feed-shaft, mechanism for operating said intermittent actuated device including an arm; formed with an arcuate slot, 2. slide-block adjustably mounted in said slot,
  • stitcmforming mechanism including a needle, a Work-clamp,v and means for imparting relative movements between said workclamp and needle including, anintermittent actuated device, an arm connected with said intermittent actuated device and having an arouate-lengitudinal slot formedtherein, a slide-block adjustably received in said slot, actuating mechanism connectedfto said slide-block for imparting oscillations to said arm, and means 'for shiftmg said slide-block in said arcuate slot, said lastnamed means including a pivotal bracket located beneath said intermittent actuated device andv supported for swlnging'movement'about an" axis,
  • a feed-regulator adapted for use in a groupi stitch sewing machine having a, feed-shaft, co nprising, an intermittent actuated devicecfor'imparting operative movements tosaid feed-shaft,

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
US422790A 1941-12-13 1941-12-13 Feed regulator for sewing machines Expired - Lifetime US2334154A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US422790A US2334154A (en) 1941-12-13 1941-12-13 Feed regulator for sewing machines
GB471/43A GB562717A (en) 1941-12-13 1943-01-09 Feed-regulator for sewing machines
DEP37626D DE824739C (de) 1941-12-13 1949-03-24 Gruppenstich-Naehmaschine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US422790A US2334154A (en) 1941-12-13 1941-12-13 Feed regulator for sewing machines
GB471/43A GB562717A (en) 1941-12-13 1943-01-09 Feed-regulator for sewing machines

Publications (1)

Publication Number Publication Date
US2334154A true US2334154A (en) 1943-11-09

Family

ID=26235945

Family Applications (1)

Application Number Title Priority Date Filing Date
US422790A Expired - Lifetime US2334154A (en) 1941-12-13 1941-12-13 Feed regulator for sewing machines

Country Status (3)

Country Link
US (1) US2334154A (de)
DE (1) DE824739C (de)
GB (1) GB562717A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2411493A (en) * 1944-07-15 1946-11-19 Singer Mfg Co Buttonhole sewing machine

Also Published As

Publication number Publication date
GB562717A (en) 1944-07-13
DE824739C (de) 1951-12-13

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