US3853154A - Clip device on a shuttle of a loom - Google Patents

Clip device on a shuttle of a loom Download PDF

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Publication number
US3853154A
US3853154A US00325138A US32513873A US3853154A US 3853154 A US3853154 A US 3853154A US 00325138 A US00325138 A US 00325138A US 32513873 A US32513873 A US 32513873A US 3853154 A US3853154 A US 3853154A
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US
United States
Prior art keywords
clamping
shuttle
lateral wall
clamping jaws
jaws
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
US00325138A
Other languages
English (en)
Inventor
F Meier
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.)
Ruti Machinery Works Ltd
Maschinenfabrik Rueti AG
Original Assignee
Maschinenfabrik Rueti 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 Maschinenfabrik Rueti AG filed Critical Maschinenfabrik Rueti AG
Application granted granted Critical
Publication of US3853154A publication Critical patent/US3853154A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03J—AUXILIARY WEAVING APPARATUS; WEAVERS' TOOLS; SHUTTLES
    • D03J5/00—Shuttles
    • D03J5/08—Supports for pirns, bobbins, or cops

Definitions

  • This mode of retaining a pim has various disadvantages. Since it has metal elements, it is relatively heavy. There is a risk of rupture of the metal jaws and the metal bow. The screw serving for securing the pirn retaining arrangement and the varying loading of the U shaped metal bow bearing closely against the shuttle body involve a danger of rupture and fissuring of the shuttle body. There is also a possibility that the abovementioned metal rings may, on changing a pirn, not pass into the associated grooves but into grooves adjacent thereto. If this happens, the pim is falsely positioned in the axial direction. The spring tensioning force on the metal jaws varies from spring to spring, so that the latter must be selected to be too large on the average, so as to be sufficiently strong in every case. At the same time, the transfer hammer for automatic spool changing must be designed to be correspondingly robust.
  • a resilient material is inserted between the said lateral wall and the clamping jaw associated with it and is secured to the lateral wall and to the clamping jaw and carries the clamping jaw.
  • FIG. 1 shows a plan view of an end portion of a shuttle
  • FIG. 2 shows a cross-section through the shuttle of FIG. 1, taken along the line IIII;
  • FIG. 3 shows a cross-section similar to that of FIG. 2 of another embodiment of the clamping device of this invention.
  • the shuttle 11 illustrated in FIG. 1 has a shuttle tip 12. Disposed in the cavity defined by shuttle 1 1 are two clamping jaws 13 which may be made from a plasticlike material. The clamping jaws are secured to a resil' ient material 14 that is positioned in recesses within the cavity portion of the shuttle body so that the clamping jaws are supported by the resilient material.
  • Each of the resilient material pieces 14 is rectangular and is secured to one of the lateral walls 15 of the shuttle 11.
  • the material pieces 14, one for each jaw are glued to the bottom of the recess at their broad sides designated 16.
  • guiding walls 17 constituting guideways for the clamping jaws extend towards the inner space of the shuttle 11 in the recess.
  • the clamping jaws 13 are laterally displaceable in the said guiding walls 17 and during their movement are guided parallel to themselves. They are bent-over at their end 18 bearing against the shuttle tip 12 and the bent-over ends bear, in a recess formed in the shuttle body, against the latter. Due to the gluing of the material pieces 14, the clamping device is accurately positioned in the longitudinal direction of the shuttle (see FIGS. 1 and 2).
  • FIG. 3 is similar to the one shown in FIGS. 1 and 2.
  • the rectangular resilient material pieces 14 are again glued or otherwise fastened at the broad sides 16, on the one hand each with a lateral wall 15 of the shuttle, and on the other hand each with a lateral wall of a clamping jaw 13, so that each material piece 14 resiliently carries a clamping jaw 13.
  • FIG. 3 differs from that of FIGS. 1 and 2 only in that the guideways guide the clamping jaws 13 only indirectly, that is via the resilient material pieces 14. With this arrangement, a small intermediate space may be provided between the guiding faces 17 and the clamping jaws 13.
  • an advantageous combination (offered purely by way of example) consists in that as the resilient material 14 a foamed material, for example polyurethane foam material or cellular rubber, is employed.
  • material pieces 14 has a cross-sectional shape of a rectangle.
  • a plurality of separate pieces of resilient material may be used that will provide the necessary give or resilience, and the jaws may be madeof any suitable plastic-like material that will firmly hold the pirns therebetween when biased by the resilient material.
  • a clamping device on a shuttle for retaining the pim head of weft pirns, the device having a set of clamping jaws adjacent to lateral walls of the shuttle, said clamping jaws being separate and independent from each other, a resilient supporting material being positioned between each clamping jaw and its adjacent lateral wall for permitting resilient movement of the clamping jaws towards the lateral walls and away therefrom, said resilient supporting material between each clamping jaw and its adjacent lateral wall being secured both to the lateral wall and tothe clamping jaw, to support and hold the clamping jaws attached by said resilient supporting material.
  • each lateral wall defines a guideway having a guideway wall therein for guiding each of the clamping jaws parallel to themselves during their resilient movement to- 4.
  • the clamping device according to claim 2 in which I the resilient supporting material extends along the guideway walls constituting the guideway, and bears thereagainst.
  • each of the clamping jaws has, at its end located towards the shuttle tip, a bent-over portion which is disposed in a recess formed in the shuttle body and is guided thereby, while bearing against the said recess.
  • the clamping device in which the resilient supporting material has a cross-section that is rectangular in shape and is secured at one side thereof to a lateral wall and at the opposite side thereof in a recess formed in a clamping jaw.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Auxiliary Weaving Apparatuses, Weavers' Tools, And Shuttles (AREA)
  • Looms (AREA)
US00325138A 1972-01-24 1973-01-22 Clip device on a shuttle of a loom Expired - Lifetime US3853154A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH96972A CH541009A (de) 1972-01-24 1972-01-24 Klemmeinrichtung an einem Webschützen

Publications (1)

Publication Number Publication Date
US3853154A true US3853154A (en) 1974-12-10

Family

ID=4199403

Family Applications (1)

Application Number Title Priority Date Filing Date
US00325138A Expired - Lifetime US3853154A (en) 1972-01-24 1973-01-22 Clip device on a shuttle of a loom

Country Status (7)

Country Link
US (1) US3853154A (pt)
JP (1) JPS5444793B2 (pt)
BE (1) BE794398A (pt)
BR (1) BR7300498D0 (pt)
CH (1) CH541009A (pt)
FR (1) FR2169031B3 (pt)
IT (1) IT978396B (pt)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4059132A (en) * 1975-05-17 1977-11-22 Leder & Co., Ag Bobbin retainer on a shuttle

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE567192A (pt) *
US907476A (en) * 1908-05-07 1908-12-22 William F Draper Loom-shuttle.
US2138221A (en) * 1937-01-02 1938-11-29 Crompton & Knowles Loom Works Shuttle for automatic looms
US3048197A (en) * 1958-08-27 1962-08-07 Fink Armin Shuttle with a bobbin clamping device
CH381177A (de) * 1960-06-21 1964-08-14 Fink Armin Spulenklemmeinrichtung an einem Webschiffchen
US3233635A (en) * 1962-07-13 1966-02-08 Klocker O H G Geb Loom shuttle having installed or attached structures liable to be subjected to shock
US3316942A (en) * 1965-02-11 1967-05-02 Draper Corp Shuttle clamp for bobbins

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH390830A (de) * 1961-11-03 1965-04-15 Rueti Ag Maschf Webschütze

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE567192A (pt) *
US907476A (en) * 1908-05-07 1908-12-22 William F Draper Loom-shuttle.
US2138221A (en) * 1937-01-02 1938-11-29 Crompton & Knowles Loom Works Shuttle for automatic looms
US3048197A (en) * 1958-08-27 1962-08-07 Fink Armin Shuttle with a bobbin clamping device
CH381177A (de) * 1960-06-21 1964-08-14 Fink Armin Spulenklemmeinrichtung an einem Webschiffchen
US3233635A (en) * 1962-07-13 1966-02-08 Klocker O H G Geb Loom shuttle having installed or attached structures liable to be subjected to shock
US3316942A (en) * 1965-02-11 1967-05-02 Draper Corp Shuttle clamp for bobbins

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4059132A (en) * 1975-05-17 1977-11-22 Leder & Co., Ag Bobbin retainer on a shuttle

Also Published As

Publication number Publication date
BE794398A (fr) 1973-05-16
BR7300498D0 (pt) 1973-09-20
JPS5444793B2 (pt) 1979-12-27
JPS4885860A (pt) 1973-11-13
FR2169031A1 (pt) 1973-09-07
FR2169031B3 (pt) 1975-11-28
IT978396B (it) 1974-09-20
CH541009A (de) 1973-08-31

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