US3434505A - Heddle frame for looms - Google Patents

Heddle frame for looms Download PDF

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Publication number
US3434505A
US3434505A US603540A US60354066A US3434505A US 3434505 A US3434505 A US 3434505A US 603540 A US603540 A US 603540A US 60354066 A US60354066 A US 60354066A US 3434505 A US3434505 A US 3434505A
Authority
US
United States
Prior art keywords
stave
heddle
bracket
rod
frame
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
US603540A
Other languages
English (en)
Inventor
Bernhard R Koch
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.)
Grob and Co AG
Original Assignee
Grob and Co AG
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 Grob and Co AG filed Critical Grob and Co AG
Priority to US603540A priority Critical patent/US3434505A/en
Application granted granted Critical
Publication of US3434505A publication Critical patent/US3434505A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C9/00—Healds; Heald frames
    • D03C9/06—Heald frames
    • D03C9/0608—Construction of frame parts
    • D03C9/0616—Horizontal upper or lower rods
    • D03C9/0625—Composition or used material
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C9/00—Healds; Heald frames
    • D03C9/06—Heald frames
    • D03C9/0608—Construction of frame parts
    • D03C9/0616—Horizontal upper or lower rods
    • D03C9/0633—Heald bars or their connection to other frame parts
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C9/00—Healds; Heald frames
    • D03C9/06—Heald frames
    • D03C9/0666—Connection of frame parts
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03J—AUXILIARY WEAVING APPARATUS; WEAVERS' TOOLS; SHUTTLES
    • D03J3/00—Weavers' tools, e.g. knot-tying tools

Definitions

  • This invention relates to heddle frames of the kind which have a frame stave across the top and bottom with heddle carrying rods attached one to each frame stave.
  • the heddle carrying rods extend parallel with their staves, and are attached to, but spaced from their staves by means of carrier brackets fixed to the heddle carrying rods, and which can be attached to the staves.
  • a longitudinal rib is provided along one side of the stave, and keyhole-shaped holes are formed in the rib, the holes extending longitudinally of the rib and the position of each hole corresponding to the position of a carrier bracket on the heddle carrying rod.
  • Projecting heads are provided on each bracket for engaging in the holes in the rib whereby the rod is suspended from the stave. The connection and disconnection of the rods can be effected by pushing them endwise to move the heads into register with the large parts of the holes so that the heads can be disengaged from the ribs.
  • the frame stave carries bolts arranged in pairs, one pair corresponding to each carrier bracket on the heddle carrying rod. Perforations are formed in the brackets to engage on the bolts, and a leaf spring resting on the bracket secures the bracket in relation to the bolts, because the leaf-spring, after being pushed endwise, engages in grooves by the bolts.
  • the releasable connections are exposed, so that they can he accidentally unfastened during work on the heddle frame or during cleaning.
  • a further disadvantage of this construction is that the heddle carrying rod can become detached from the stave and foul neighbouring heddle frames as a result of which the frames can become buckled and the heddle torn out.
  • connections of the types described above, and similar connections have the disadvantage that a certain minimum play must be provided, and this encourages later wear of the parts.
  • the bearing surfaces are either shaped as bolts or have to be kept very small. Such small bearing surfaces become crushed in a relatively short time, so that the play increases and entanglement of parts on adjacent frames becomes more likely.
  • the object of the invention is to prvide a heddle frame which has a detachable heddle carrying rod, but in which the aforementioned disadvantages are minimised.
  • a heddle frame has at least one frame with a heddle carrying rod detachably connected to it, the heddle carrying rod having carrier brackets secured to it, and the stave being hollow at least in the zone of each carrier bracket, the brackets entering the stave through openings on the edge of the stave facing the rod, and all the connecting elements between the brackets and the stave being housed within the stave.
  • each bracket is positioned between holding pieces inside the stave and a sliding bolt engaging under part of the bracket or a part fixed to the bracket is engageable with shoulders on the holding pieces to retain the bracket and press the latter against a leaf-spring to make a tight connection.
  • FIG. 1 is a front view of part of a heddle frame, with part out away to reveal interior details;
  • FIG. 2 is a section on the line IIII of FIG. 1;
  • FIG. 3 is a view similar to FIG. 1 of an alternative arrangement, except that in FIG. 3 the various parts are shown in an exploded relationship;
  • FIG. 4 is a section on the line IVIV in FIG. 3.
  • FIGS. 3 and 4 it should be understood that there are only slight differences between the two arrangements illustrated, and that like parts are given the same reference numerals in both arrangements. Further, it is possible to refer to FIGS. 3 and 4 to assist in interpreting FIGS. 1 and 2.
  • part of the top stave of a heddle frame is shown at 1, and part of a heddle carrying rod is shown at 2.
  • the rod 2 is suspended from the stave 1 by means of several carrier brackets 9 spaced apart along the length of the rod and secured to the rod by rivets or other fastening devices. This arrangement is known, and the rod 2 lies parallel with the stave 1. It is possible to suspend the heddle from the rod 2 and of course there is a similar stave and rod at the opposite side of the heddle frame, the staves being connected at their ends by lateral supports (not shown).
  • the frame stave 1 is considerably thicker than the bracket 9, and the stave is hollow at least in the vicinity of each bracket.
  • Two holding pieces 3 and 4 are fixed in the stave 1 at longitudinally spaced positions, the distance between these two holding pieces being somewhat greater than the horizontal length of the upper part of the carrier bracket 9.
  • Notches 5 and 6 are formed respectively in the inside faces of the pieces 3 and 4, near to their upper ends, and a leaf spring 7 has its ends received in the notches 5 and 6.
  • An opening 8 is provided in the bottom edge of the stave 1, between the two holding pieces 3 and 4, to allow the upper part of the carrier bracket 9 to be inserted into the stave.
  • a connecting piece 10 is rigidly secured to the upper part of the bracket 9, and a thin foil 11 of metal or resilient material is wrapped around the upper part of the bracket 9 and the connecting piece 10 as indicated in FIG. 2. The foil 11 ensures that the bracket 9 and connecting piece 10 are a good fit within the thickness of the stave 1, so that there is little or no tendency for the bracket 9 to wobble sideways.
  • the holding pieces 3 and 4 are formed with recesses 14 and 16 in one face, and with lateral recesses 20, 32 in their inside faces (see FIGS. 1 and 3).
  • a horizontally disposed locking bar 12 is provided, this locking bar being capable of fitting into the recesses 14 and 16 with considerable vertical clearance as illustrated in FIG. 1.
  • One end 17 of the bar 12 has a tail which is capable of seating on the base of the recess 16, and a portion which fits into the lateral recess 32.
  • a lateral recess 22 is formed in the end 17 of the bar 12 facing inwardly.
  • a locking bar keeper 18 is provided.
  • This keeper takes the form of a piece of flexible material which can be fitted into the recess 20 in the holding piece 3 and the recess 22 in the bar. To fit the keeper, it is necessary to bend it as shown in chain dotted lines in FIG. 3, until its opposite ends 19, 21 can be fitted into the recesses 20 and 22. When the keeper is in position, it straightens, and holds the bar firmly in place.
  • the spacing between the holding pieces 3 and 4 is somewhat greater than the length of the carrier bracket 9, so that it is possible for the heddle carrying rod 2 to move endwise within the limits provided by the clearance between the holding pieces and the carrier brackets.
  • the power from the driving shaft is transmitted to the heddle carrying rod 2 free from end play. But if, for some reason, extraordinary demands arise which would otherwise lead to breakage of the connections the heddle carrying rod 2 can move endwise to a limited extent.
  • the principal degree of freedom permitted to the heddle carrying rod 2 is in the direction perpendicular to the stave due to the action of the leaf spring 7.
  • a further advantage of the preferred construction is that it is possible to adjust the distance between the stave 1 and the heddle carrying rod 2 to suit different weaving requirements. This can be done by inserting locking bars 12 of different thicknesses 22 to press the connecting piece 10 into the stave 1 to a greater or lesser extent. This enables the users to fix the distance between the two heddle carrying rods 2 to keep the play in the heddle within desired limits, which contributes materially to the smooth running of the machine.
  • bottom heddle carrying rod which is not shown in the drawings is connected to its stave in the same manner as the top rod.
  • FIGS. 3 and 4 all the parts are constructed as shown in FIGS. 1 and 2 except the leaf-spring 7a, which replaces the leaf-spring 7 and the connecting piece 1011 which takes the place of the connecting piece 10.
  • the leaf-spring 7a has an M-shaped configuration, and a lateral notch 23 is formed in the top edge of the connecting piece 10a, into which the central V-shaped portion of the leaf-spring engages.
  • This arrangement provides a means whereby the spring 7a acts to centralise the bracket 9 between the two holding pieces 3 and 4 in a longitudinal direction.
  • the advantage of this arrangement is that the rod 2 can move endwise against resilient load, but is urged towards a centralised position.
  • a heddle frame for use in a m comprising in combination with a frame stave, a heddle carrying rod, means for connecting said rod to said stave including a plurality of carrier brackets fixedly connected to said carrying rod at longitudinally spaced positions, said stave being hollow at least in the zone of each of said carrier brackets and having longitudinal openings in the edge of said stave facing said rod, said carrier brackets entering said stave through said longitudinal openings, a pair of longitudinally spaced holding pieces for each of said carrier brackets fixedly connected to said stave on the inside thereof, said holding pieces being provided each with a recess, the holding pieces of each pair of holding pieces being arranged at the ends of each of said openings to receive said carrier brackets between them, a leaf spring extending between each pair of said spaced holding pieces within said stave, the ends of said leaf springs engaging the ends of said carrier brackets when the latter are inserted in said openings, and a locking bar for each said carrier brackets, said bar engaging its associated carrier bracket with a portion between its

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Blast Furnaces (AREA)
  • Auxiliary Weaving Apparatuses, Weavers' Tools, And Shuttles (AREA)
US603540A 1966-05-11 1966-12-21 Heddle frame for looms Expired - Lifetime US3434505A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US603540A US3434505A (en) 1966-05-11 1966-12-21 Heddle frame for looms

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH683266A CH441154A (de) 1966-05-11 1966-05-11 Verfahren zum Überführen von Weblitzen von einer Hilfsschiene auf die Litzentragschiene eines Webschaftes und Vorrichtung zur Durchführung des Verfahrens
US603540A US3434505A (en) 1966-05-11 1966-12-21 Heddle frame for looms

Publications (1)

Publication Number Publication Date
US3434505A true US3434505A (en) 1969-03-25

Family

ID=4315720

Family Applications (1)

Application Number Title Priority Date Filing Date
US603540A Expired - Lifetime US3434505A (en) 1966-05-11 1966-12-21 Heddle frame for looms

Country Status (7)

Country Link
US (1) US3434505A (nl)
BE (1) BE698277A (nl)
CH (1) CH441154A (nl)
DE (1) DE1710428B1 (nl)
FR (1) FR1522693A (nl)
GB (1) GB1123968A (nl)
NL (1) NL152031B (nl)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4112980A (en) * 1976-04-08 1978-09-12 Sulzer Brothers Limited Loom harness
EP1170409A1 (en) * 2000-07-06 2002-01-09 Nuova O.M.V. Officine Meccaniche Vilminore S.r.l. Multicomponent cross-piece for low-noise heddle frames in weaving looms
US20050081943A1 (en) * 2003-10-21 2005-04-21 Groz-Beckert Kg Heddle shaft with center connector

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5831904Y2 (ja) * 1978-07-13 1983-07-14 ワイケイケイ株式会社 ハ−ネス

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB417004A (en) * 1933-06-14 1934-09-26 Albert Wilson Improvements appertaining to loom healds
CH331474A (de) * 1955-08-10 1958-07-31 Grob & Co Ag Webschaft mit abnehmbaren Litzentragschienen
US3016925A (en) * 1960-05-17 1962-01-16 Grob & Co Ag Heddle frame
CH372620A (de) * 1959-03-11 1963-10-15 C C Egelhaaf Kg Mittelstütze an einem Webeschaft
US3154109A (en) * 1962-03-22 1964-10-27 Steel Heddle Mfg Co Loom harness
CH401860A (de) * 1962-09-22 1965-10-31 Wagner Theodor Verstellbarer Litzentragschienenhalter
US3221777A (en) * 1963-07-12 1965-12-07 Grob & Co Ag Riderless weaving frame
US3221776A (en) * 1963-09-30 1965-12-07 Wagner Theodor Heddle-support devices for weaving looms
US3352329A (en) * 1965-04-15 1967-11-14 Grob & Co Ag Heddle frame

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB417004A (en) * 1933-06-14 1934-09-26 Albert Wilson Improvements appertaining to loom healds
CH331474A (de) * 1955-08-10 1958-07-31 Grob & Co Ag Webschaft mit abnehmbaren Litzentragschienen
CH372620A (de) * 1959-03-11 1963-10-15 C C Egelhaaf Kg Mittelstütze an einem Webeschaft
US3016925A (en) * 1960-05-17 1962-01-16 Grob & Co Ag Heddle frame
US3154109A (en) * 1962-03-22 1964-10-27 Steel Heddle Mfg Co Loom harness
CH401860A (de) * 1962-09-22 1965-10-31 Wagner Theodor Verstellbarer Litzentragschienenhalter
US3221777A (en) * 1963-07-12 1965-12-07 Grob & Co Ag Riderless weaving frame
US3221776A (en) * 1963-09-30 1965-12-07 Wagner Theodor Heddle-support devices for weaving looms
US3352329A (en) * 1965-04-15 1967-11-14 Grob & Co Ag Heddle frame

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4112980A (en) * 1976-04-08 1978-09-12 Sulzer Brothers Limited Loom harness
EP1170409A1 (en) * 2000-07-06 2002-01-09 Nuova O.M.V. Officine Meccaniche Vilminore S.r.l. Multicomponent cross-piece for low-noise heddle frames in weaving looms
US6446676B1 (en) 2000-07-06 2002-09-10 Nuova O.M.V. S.R.L. Multicomponent cross-piece for low-noise heddle frames in weaving looms
US20050081943A1 (en) * 2003-10-21 2005-04-21 Groz-Beckert Kg Heddle shaft with center connector
US7137415B2 (en) * 2003-10-21 2006-11-21 Groz-Beckert Kg Heddle shaft with center connector

Also Published As

Publication number Publication date
CH441154A (de) 1967-07-31
FR1522693A (fr) 1968-04-26
NL6706559A (nl) 1967-11-13
DE1710428B1 (de) 1971-03-25
GB1123968A (en) 1968-08-14
NL152031B (nl) 1977-01-17
BE698277A (fr) 1967-10-16

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