US1446127A - Lace-braiding machine - Google Patents

Lace-braiding machine Download PDF

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Publication number
US1446127A
US1446127A US34266419A US1446127A US 1446127 A US1446127 A US 1446127A US 34266419 A US34266419 A US 34266419A US 1446127 A US1446127 A US 1446127A
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Prior art keywords
race
quoit
parts
braiding machine
carrier
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Expired - Lifetime
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Rahm Robert Carl
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BERKS ENGINEERING Co Inc
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BERKS ENGINEERING Co Inc
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Priority to US34266419 priority Critical patent/US1446127A/en
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    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04CBRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
    • D04C3/00Braiding or lacing machines
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04CBRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
    • D04C3/00Braiding or lacing machines
    • D04C3/02Braiding or lacing machines with spool carriers guided by track plates or by bobbin heads exclusively

Description

Feb. 20, 1923. 1,446,127
R. c. RAHM LACE BRAIDING MACHINE Filed Dec. 5, 1919 2 sheets-sheet 1 Atturnegs Feb. 20,1923.
- 4 1,446,127 R. c. RAHM LACE BRAIDING MACHINE Filed Dec. 5, 1919 l 2 sheets-sheet 2 mum Annmegs i noBEB'r CARL BAHM, or WYOMISsI G, rnnnsvnvnnrn,nssrenon To. BERKS: ENGI- I .NEERI1\TG COMPANY me, on .r-:,E mNe, PENNSYLVANIA} A .oonrom rromolw rnnn'sY vAnIA.
AoE-nimIDrnG MACHINE; f v n tain new and useful Improvements in Lace-- Braiding Machines of which the following is a specification.
Mlyinvention relates particularly to lacebraiding machines, and consists in improved carrier-dr1ve mechan1sm..therefor. as here.- inafter' fully described in connection .Wltll the accompanying drawings' and clearly de- .fined in the subjoined'claims'.
Fig. 1 is a plan view of a portion of alaced machine: showing three adjacent intersecting race-circles with my improved rotary quo ts and an engaged carrier base in position.
the lines Fig. 2.
Fig. 2 is a corresponding sectional elevation mainly on the line 2+2 of-Fig. 1.
Figs. 3 and 4 are sectional plan vlewson 5 IlSij a's ectional view oii the lines" 5- 5 of Figs. 1,2,3 and 4.
Figs. 6, 7 and 8, 9 a
v 7 two quoit parts; and Fig. "10 is a separa'te view of the clutch lever and StOP dGVlCB.
The drawing illustratesthe application of my invention .to a simple form o-ffso called single-thread lace braiding machine in which 'a' carrier is intermittently" swung a] half revolution 111 each of a series ofintersecting race-circles which are grouped around a braiding center andprovided with a rotary carrier-engagingplate or quoit'in each race-circle.
The arranging of these intersecting rac e circles in a curved series, as indicated 111 'Fig. 1, results in the formation in eac'h racecircle of a shorter inner race-way.arc10,
and a longer outer are 11; and an important "feature of my invention consists in employ, ing a carrler-engaglng quoit. comprising separate parts having not only a joint rotary movement,' but also a limited relat ve movement which enables the automatic neutralizin'g of this difference in the racecircle arcs. The inventionfurther consists in the improved clutchpontrol drive IIlGChfiIllSIII hereinafter'fully described.
Between-the top plate 15 and bottom plate 16 extend theusual series of race-circle posts 10 the opposite arcuate arms ofeach' plate 33 and 4+4 "respectively of redetail views of the" recess; i303 so thatthe engaged carrier is; ma ntalned ill-fixed rad al relat onto each 17, npon whiclrare mounted the continuously rotated drive ge-'ars,18,- 1 8.'- Each of these gears is thrown into connectionf'with 1" carrier engaging quoit' by'meansof a' clutch mechanism; which in the construction indicated, prov des for axially moving the gear] 1tselfbyme'ans of an engaging clutch-arm or bar 21.
' The two .quoit parts shown comprise 3P3.
proximately .half-circleplateortiongmaa, I
25; having meetingedges which are'radial but which depart from aycommonj diametral line'so as to'le'avea gap-"26 between them equal to the differencebetween ithe lengths of the outerand inner race-circle arcs 11 and portionwhich are bounded, by the mead"? carrier-engaging recess 30, being each'equal,
as shown,'to one-half.offltheshorter' inner are 10 'of the race-circle; so that when the" two plate portions are set in a race-circle with, the gap 26 between them as shown to" the left in Fi 1, they exten'd the-1111 the shorter inner arc 1O, while therecesses 30,".30* complete the adjoining circles The lower end of each carrier is formed vex linescorres'ponding with the similarly 1 curved walls of the racejcircl'e's'l and fof a centerv aroundwhich it is traversed and al-"j ways has extended wa ll i contact.
Eachof the quoit'parts 25, ae yisfsepag rately mounted on its post 17 so as 'tobe' pa e Of cl pen ent .fQta y" mete-k if?" ment sufiicientto open-or closeitheflgap 26 as adjacent plate portions aresuccessively "9,5
swung close to the outer race-circle-arogll' or, the inner are 10 thepart 25 having spaced-apart post-encircling band portions 3.5, andthe part 25 a similar band pen tion 35"."
When the drive gear is raised by tlie' the case may be, so as to firstturnsuch part alone with the gear until the gap 26 is closed, and then turn both parts until such joint clutclflever'20, its .clutch-tooth41 strikes,a j tooth 12' or 13 of a quoitfpart 25 or 25 rotation is automatically stopped after a half revolution. This automatic stopping is effected by means of alateral projection 45 on the fixed post 17, which is arranged to engage a cam projection 46 on the rotating gear so as to positively force the latter out of driving engagement with the quoit; and this automatic clutch-disengaging movement is made to also efi'ect the locking of the stopped quoit parts in proper rest positions, by providing the clutch lever 20 with a lock member 50 arranged to enter the gap 26 between the quoit parts when the gear is disengaged from the latter. This lock memberfoO, after it has been raised by the pattern operated bar 21 carrying with it gear 18, rides upon flange portions 27, 27 of the turning quoit parts so as to hold said gear in upper position for a determined time; and when it is lowered by the automatically effected disengaging movement of the drive gear 18 occupies the gap 26 so as to insure the proper relative positioning of the quoit parts while at the same time properly stopping andholding them.
'My parted quoit construction effects a great improvement in the operation of the machine, and'provides for positive control and guidance or the carriers; and the quoit operating mechanism is at all times positively actuated and controlled. The particular application of myimprovement-s, and the detail construction specifically set forth, may be readily varied within the scope of the invention as defined in the claims.
What I'claim is:
1. In a lace braiding machine having a circularly arranged series of intersecting race-circles, rotary quoits in said racecircles each comprising relatively movable carrier en'gaging parts havin opposite arcuate portions equal to one half the inner arc of its race-circle.
2. In a lace braiding machine having a circularly arranged series of intersecting race-circles, rotary quoits in said race-circles each comprising carrier engaging parts capable of relative rotary movement equal to the difference between the outer and inner race-circle arcs.
3. In a lace braiding machine having a circularly arranged series of intersecting race-circles, rotary quoits in said race-circles each comprising carrier engaging parts capable of relative rotary movement equal to the difference between the outer and inner race-circle arcs, and a quoit engaging stop adapted to lock said parts against relative rotary movement.
4. In a lace braiding machine having a circularly arranged series of intersecting race-circles, rotary quoits in said race-circles each comprising two carrier engaging parts capable of relative rotary movement equal to the difference between the outer and inner race-circle arcs.
5. In a lace braiding machine having a circularly arranged series, of intersecting race-circles, rotary quoits in said race-circles each comprising two carrier engaging parts capable of relative rotary movement equal to the dilierence between the outer and inner race-circle arcs, and a quoit engaging stop adapted to lock said parts against relative rotary movement.
6. In a lace braiding machine having a circularly arranged series of intersecting race-circles, rotary quoits in said race-circles each comprising two approximately half circle carrier-engaging parts capable of relative rotary movement in having contiguous 'arcuate portions jointly equal in extent to the inner race-circle arc. v
7. In a lace braiding machine, a race circle quoit comprising jointly and relatively rotatable parts each having a carrierengaging disc portion and a post encircling sleeve portion.
8. In a lace braiding machine, a racecircle quoit comprising two jointly and relatively rotatable parts each having an approximately hal'f circle carrier-engaging disc portion and a post encircling sleeve portion.
9. In a lace braiding machine, a race circle carrier-engaging quoit comprising jointly and relatively rotatable parts.
10. In a lace braiding machine, a racecircle carrier-engaging quoit comprising two jointly and relatively rotatable parts.
11. In a lace braiding machine, a racecircle carrier-engaging quoit comprising two jointly and relatively rotatable parts, a clutch-controlled drive gear adapted to engage and disengage one of said parts and a clutch lever adapted to lock said parts against rotation when said gear is disengaged.
12. In a lace braiding machine, a racecircle carrier-engaging quoit comprising two jointly and relatively rotatable parts, a clutch-controlled drive gear, and a clutch lever arranged to lock said quoit against rotation and to release the same.
13. In a lace braiding machine havinga series of overlapping race-circles, rotary quoits in said circles each comprising rela tively rotatable parts each of which has an edge portion recessed to the curvature of anadjacent race-circle, and carriers having oval-section shuttle portions corresponding with said recesses. 1
In testimony whereof I my signature.
ROBERT? CARL RAHM.
US34266419 1919-12-05 1919-12-05 Lace-braiding machine Expired - Lifetime US1446127A (en)

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