US2367187A - Stop mechanism operating means - Google Patents

Stop mechanism operating means Download PDF

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Publication number
US2367187A
US2367187A US494166A US49416643A US2367187A US 2367187 A US2367187 A US 2367187A US 494166 A US494166 A US 494166A US 49416643 A US49416643 A US 49416643A US 2367187 A US2367187 A US 2367187A
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US
United States
Prior art keywords
arm
stop mechanism
stop
movement
spring
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
US494166A
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English (en)
Inventor
Ralph A Collins
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.)
Reece Button Hole Machine Co
Original Assignee
Reece Button Hole Machine 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 Reece Button Hole Machine Co filed Critical Reece Button Hole Machine Co
Priority to US494166A priority Critical patent/US2367187A/en
Priority to GB10191/44A priority patent/GB594528A/en
Application granted granted Critical
Publication of US2367187A publication Critical patent/US2367187A/en
Priority to FR916663D priority patent/FR916663A/fr
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

  • the inventien is of pai ticuIar ii tility in cenneciioii with bi'it'torihole own as "s'traig li't mor amahifi's', described; fio'rj eiianipleg in pet: 14,284, Ndir'eifilfv'er 25 i902, emetic. es
  • the stop mechanism comprises "a; stop' armwhich is manually inovedgfas" by a treadleer handiever, out of a stoppinglp'o'si ',*irito*whi'ch i tziswnmnaily 'bia'sefl-and in which the machine" i-s alt r'e'st; i n'to afiiilfini ng' position, 'iII which the machine is operated under 'no'wfl means are provided 'for lalthifi'g th Sfi O'p g position, said latching' mean'sbeing' automatically released, when the Work cl'a
  • a work clamp Guided on the bed for longitudinal movement thereon is a work clamp comprising a clamp plate Is to which is pivoted at I9 alever 29 carrying clamp arms 2
  • except when restrained as hereinafter described and as shown in Fig. l, are normally depressed, to close the clamp and cause the feet 22 to clamp the work upon the plate l8, by a spring 23 interposed between the lever 28 and the plate l8.
  • 8 is connected by a ball and socket connection, generally indicated at 24, with a nut 25 threaded on a feed screw 26 which is intermittently rotated by mechanism not shown, first in one direction and then in the other, to cause the nut 25, and consequently the work clamp as a whole, to be moved, from a starting position shown in Figs. 1 and 3, first toward the left, as viewed in said figures, to position the stitches along one side of the buttonhole, and then toward the right back to the starting position to position the stitches along the opposite side of the buttonhole.
  • the stitch forming or sewing instrumentalities comprise an eye-pointed needle 21 above the bed and cooperating underthread handling mechanism not shown, below the bed.
  • the needle 21 is carried by a needle bar 28, which is longitudinally or vertically reciprocated, by means generally indicated at 29, in a needle bar guide 38, means,
  • 5 has power applied thereto by a belt 4
  • the belt shifter 44 constitutes an extension of a stop member or arm 45 carried by an oscillating and longitudinally movable rock shaft 46 mounted for oscillation and a limited longitudinal movement in bearing lugs 41 and 48 depending from the bed.
  • the shaft 46 is normally biased or urged toward the right, as viewed in Figs.
  • the collar 50 is provided with a laterally extending arm 54 by whichthe shaft 46 may be moved to the left against the tension of the spring 49 by means hereinafter described.
  • Slidably mounted in the stop arm 45 is a spring pressed stop bolt 5
  • when in the path of movement of the cam 52, is held in engagement with the periphery of the latter by a spring pressed plunger 53 carried by the upright IG-andengaging the stop arm 45, said plunger tending to force said stop arm downwardly and press the end of the bolt 5
  • a buttonhole cutter is carried by a lever 6
  • the arrangement is such that when the end of the stop bolt 5
  • Pivoted at 10 in the wall of the upright I6 is a lever having one arm 12 extending into the upright into a position to engage an extended portion 13 of the lever 20 which carries the clamp arms 2
  • the arm 12 is moved upwardly, while downward movement of said arm will cause the clamp to be opened to realease the work against the tension of said spring.
  • Pivoted at 14 to the arm 12 is a depending link. 15 carrying a catch or block 16.
  • the link 15 is normally urged by a spring 19 in the direction to cause the catch or block 16 to engage a lug 80 carried by the arm 63 of the buttonhole cutter lever 6
  • Journalled in ears B6 in the base A is a rock shaft 81 having secured'thereto, as by a set screw 95, a three-armed lever indicated as awhole at 88.
  • One arm 89 of the lever 88 has connected therewith a spring 98 tending normally to turn the shaft 81 in a clockwise direction as viewed in Fig. 1.
  • of the lever 88 is connected; as hereinafter described, with a foot treadle 93, whereby depression of the treadle will turn the shaft 81 in' a counter-clockwise direction against the tension of the spring 90.
  • the third arm 94 of the lever 88 is extended into a position to engage the arm 54 when the shaft 81 is turned in the counter-clockwise direction, thereby sliding the shaft 46 toward the left in Figs. 1 and 3, out of stopping position, to start the machine as above explained.
  • a trip finger 96 fast on the shaft 81 is a trip finger 96 adapted, when the shaft 81 is turned in a counter-clockwise direction, to engage the catch or block 16 and disengage the latter from the lug 80.
  • the arrangement is such that when the treadle 93 is depressed to turn the shaft 81 assess? in a eounter clo'ckwise directionfi emen-normal position "as "s own Fig. Ijih which it 48 116111 -by the springst, the' tripfinger 95M11 engage the catch is to sisengage tne latter from-the block at;
  • the latch IOI has an upstanding finger m3 (see ails'o' -Fig. '1') whihcdoperates'with a collar I-II4- on the-shaft 46.
  • FIG. 3 and 5' has one end'receivedin an-dpning III'in'the wall erthe bed 1 5 in suc -a manner-gs to permit both longitudinal e d-angniai movement or said her in a horizeht'ar direction.
  • the -har'- H is: formed with a"lat rally-extending(flange orear' 1 1'2 which ,is-gui'ded in h -horizontal 'g'rdove 11-3 ,in the lateml racedr aboss is depending from the bed I5, wherebythe barI-I Oisguiddfor lateral horizontal angiilar “or swinging, movernent about its connection atI- II with the bed. "I'he'bar III) isnoriiially urged -'toward'the left, as Viewed in Fig.
  • this' 'inovemeiit is an idle one, but when said bar isswung to theright 'fromthis'posihon, there: bybringing the-dog II'8 opposite the finger I03, such a longitudinal movement wili Ga-use said dog tn engage'said finger and release the latter from tIieshouIder-I QS. p H
  • the automatic 'c'y'cle above outlined depends upon 'a sufficient counter-clockwise angular movement of the lever 88 to move the'shaft 4'6 far e'neu-ghtowardthe'left to be'latched i'nrunning position-by engagement'of the finger H13 with the shoulder I05 when the machine is started; ln-p'riormachin'es-of this type-in which the treadle 93 hasbeen e'on'necte'dwith the arm 9I bya simplelinkor chain, it has'been'possible for a careless operator, by reason of an incom piete de ression (if the-tr'ad'le, 1:0"11'10V'fll Shaft 46-alid 'stdparmliiar enough toehg'ag'e the on the frame.
  • the arm SI of the lever '88 is connected with the treadle 53 through a link I40 and a spring I4I.
  • a resistor assembly adapted to interpose a substantial resistance to the movement of said arm (and consequently of the stop mechanism) to an extent sumcient to cause or permit the machine to start, and to suddenly discontinue the resistance when the arm has been moved to such an extent.
  • This resistor assembly comprises (see particularly Fig.
  • the element M2 comprises a dog pivoted at I44 to a bracket I45 secured to the arm SI, said dog having a stop shoulder I46 adapted to engage a portion of said bracket and thereby limit movement of said dog on its pivot in a counter-clockwise direction (as viewed in. Fig. 2) in which direction it is urged by a spring M1.
  • the element I43 comprises a block secured to the free upper end of a fiat spring I48 secured at its lower end to a bracket I49 which, in turn, is secured to the bottom wall of the base A.
  • the elements I42 and I43 are formed respectively with opposed projections I55 and I5I having cooperating inclined cam faces I52 and I53 which are brought into engagement when the arm 9
  • can move upwardly without interference by the resistor assembly since the dog I42 can turn in a clockwise direction to permit the projection I to pass the projection I5I during the upward movement.
  • stop mechanism movable into and out of stopping position, means for retaining said stop mechanism out of stopping position during said cycle of operations and for restoring the same to stopping position upon the completion of said cycle, manually operated means for moving said stop mechanism out of stopping position, and means for compelling movement of said stop mechanism into a position to be retained by said retaining means, when moved out of stopping position by said manually operated means, before permitting its return to stopping position.
  • stop mechanism movable between a stopping position and a running position and normally biased toward stopping position, manually operated means for moving said stop mechanism out of stopping position, a detent for retaining said stop mechanism in running position, means for automatically releasing said detent upon completion of the cycle of operations, and means associated with said manually operated means for insuring the movement of said stop mechanism into a position to be retained by said detent when moved out of stopping position.
  • stop mechanism movable into and out of stopping position, means for moving said stop mechanism out of stopping position, a manually operated member, means including a spring connecting said manusaid lever, a dog carried by said lever arm, a
  • ally operated member and moving means and means for interposing a'yielding resistance to the initial movement of said moving means and for discontinuing said resistance substantially upon the completion of the movement of said stop.
  • stop mecha- I nism movable into andout of stopping position, means including a lever for moving said stop mechanism out of stopping position, a manually operated member, means including a spring connecting said manually operated member and lever, and means for interposing a yielding resistance to the initial movement of said lever and fOr discontinuing said resistance substantially upon the completion of the movement of said stop mechanism out of stoppingposition.
  • stop mechanism movable into an'dout of stopping position, means for retaining said stop mechanism out of stopping position during said cycle of operations and for restoring the same to stopping position upon the completion of said cycle, means for moving said stop mechanism out of stopping position, amanually operated member, means including a spring connecting said manually operated member and moving means, and means for interposing a yielding resistance to the initial move-.
  • stop mechanism movable into and out of stopping position
  • means including a lever for moving said stop mechanism out of stopping position, a manually operated member, means including a spring connecting said manually operated member with one arm of said lever, a dog carried by said lever arm, a block, and a spring for yieldingly resisting movement of said block transversely of the path of movement of said lever arm, said dog and block having cooperating cam surfaces brought into engagement upon initial movement of said arm in the direction to move said stop mechanism out of stopping position, whereby further movement of said arm is possible only by forcing said block laterally against the resistance of its spring, and said cam surfaces being so relatively arranged as to pass out of engagement with each other substantially upon the completion of the movement of said stop mechanism out of stopping position.
  • stop mechanism movable into and out of stoppingposition and normally biased toward said position, a detent automatically released upon thecompletion of said cycle of operations for holding said stop mechanism out of stopping position
  • means including a lever for moving said stop mechanism out of stopping position, a manually operated member, means including a spring connecting block, and a spring for yieldingly resisting movement of said block transversely of the path of movement ofsaid lever arm, said dog and block having cooperating cam surfaces brought into engagement upon initial movement of said arm ii the direction to move said stop mechanism out of stopping position,.whereby further movement of said arm is possible only by forcing said block laterally against the resistance of its spring, and said cam surfaces being so relatively arranged as to pass out of engagement with each other substantially upon the completion of the movement of said stop mechanism out of stopping position 8.
  • stop mechanism movable into and out of stopping position, manually "operated means for moving said stop mechanism out of stopping position, and means for interposing a yielding resistance to the initial movement of said moving means and for discontin uing said-resistance substantially upon the completion of the movement of said stop mechanism out of stopping position.
  • stop mechanism movable into and out of stopping ⁇ position, means for retaining said stop mechanism out of stopping position during said cycle of operations and for restoring the same to stopping position upon the completion of said cycle, manually op erated means for moving said stop mechanism out of stopping position, and means for interposinga yielding resistance to the initial, movement of said moving means and for discontinuing said resistance substantially upon the completion of the movement of said stop mechanism out of stopping position.
  • stop mechanism movable into spaced stopping and running positions, respectively, means for retaining said stop mechanism in running position during said cycle of operations and for restoring the same to stopping position upon completion of said cycle,
  • stop mechanism movable into spaced stopping and running mechanism out of stopping position, and means,

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
US494166A 1943-07-10 1943-07-10 Stop mechanism operating means Expired - Lifetime US2367187A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US494166A US2367187A (en) 1943-07-10 1943-07-10 Stop mechanism operating means
GB10191/44A GB594528A (en) 1943-07-10 1944-05-25 Improvements in or relating to stop mechanism for automatic machines such as sewing machines
FR916663D FR916663A (fr) 1943-07-10 1945-10-30 Dispositif de commande pour mécanisme d'arrêt

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US494166A US2367187A (en) 1943-07-10 1943-07-10 Stop mechanism operating means

Publications (1)

Publication Number Publication Date
US2367187A true US2367187A (en) 1945-01-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
US494166A Expired - Lifetime US2367187A (en) 1943-07-10 1943-07-10 Stop mechanism operating means

Country Status (3)

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US (1) US2367187A (fr)
FR (1) FR916663A (fr)
GB (1) GB594528A (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2490095A (en) * 1945-07-28 1949-12-06 Honeywell Regulator Co Burner control apparatus with timing means
US2811122A (en) * 1953-09-23 1957-10-29 Pfaff Ag G M Button sewing machine
US2969755A (en) * 1954-07-12 1961-01-31 Reece Corp Button sewing machine
US2981215A (en) * 1959-07-20 1961-04-25 Singer Mfg Co Power control unit for sewing machines
US2985123A (en) * 1958-08-18 1961-05-23 Strutwear Inc Tack-producing attachment for buttonhole machines
US5692447A (en) * 1996-09-24 1997-12-02 Amf Reece, Inc. Knife mechanism drive for a buttonhole sewing machine

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3200554A (en) * 1963-07-16 1965-08-17 Prestige Prod Inc Pole structure

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2490095A (en) * 1945-07-28 1949-12-06 Honeywell Regulator Co Burner control apparatus with timing means
US2811122A (en) * 1953-09-23 1957-10-29 Pfaff Ag G M Button sewing machine
US2969755A (en) * 1954-07-12 1961-01-31 Reece Corp Button sewing machine
US2985123A (en) * 1958-08-18 1961-05-23 Strutwear Inc Tack-producing attachment for buttonhole machines
US2981215A (en) * 1959-07-20 1961-04-25 Singer Mfg Co Power control unit for sewing machines
US5692447A (en) * 1996-09-24 1997-12-02 Amf Reece, Inc. Knife mechanism drive for a buttonhole sewing machine

Also Published As

Publication number Publication date
GB594528A (en) 1947-11-13
FR916663A (fr) 1946-12-12

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