WO2009021570A1 - Actuating lever of a top-roll supporting and loading arm - Google Patents

Actuating lever of a top-roll supporting and loading arm Download PDF

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Publication number
WO2009021570A1
WO2009021570A1 PCT/EP2008/004508 EP2008004508W WO2009021570A1 WO 2009021570 A1 WO2009021570 A1 WO 2009021570A1 EP 2008004508 W EP2008004508 W EP 2008004508W WO 2009021570 A1 WO2009021570 A1 WO 2009021570A1
Authority
WO
WIPO (PCT)
Prior art keywords
lever
lever arm
arm
actuating lever
plastic
Prior art date
Application number
PCT/EP2008/004508
Other languages
German (de)
French (fr)
Inventor
Jürgen Schlegel
Original Assignee
Oerlikon Textile Components Gmbh
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 Oerlikon Textile Components Gmbh filed Critical Oerlikon Textile Components Gmbh
Publication of WO2009021570A1 publication Critical patent/WO2009021570A1/en

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/46—Loading arrangements
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/56—Supports for drafting elements
    • D01H5/565—Top roller arms

Definitions

  • the present invention relates to an operating lever of a top roller supporting and loading arm according to the preamble of claim 1.
  • an operating lever of a top roller carrying and loading arm of a drafting device of the type mentioned is known, which can be actuated by an operator through a forward handle to open the top roller carrying and loading arm and close ,
  • the handle is designed as a plastic part, which is pushed or pressed onto the lever arm made of metal of the actuating lever.
  • the two-handed operation exposes the operating lever to the hand sweat of the operator who is corrosive.
  • a suitable coating for example by the application of a lacquer layer, or a surface finish, for example by galvanizing, the exposed metal surface of the operating lever required, which causes additional costs and effort.
  • Object of the present invention is to further develop the actuating lever so that it is cheaper to produce.
  • the lever arm is provided with a plastic casing which completely surrounds it.
  • plastic coating of the lever arm of this is protected from external influences, such as the hand sweat of an operator in the operation.
  • the complete plastic casing also offers over external influences such as the air conditioning of a room in which a drafting system is used with the actuating lever according to the invention, a reliable corrosion protection of the lever arm.
  • the coated with plastic lever arm is less sensitive to cleaning agents that can be used to clean the drafting equipment. An additional treatment of the exposed metal surface of the lever arm for corrosion protection before its assembly on the drafting system is no longer required, as required by the prior art.
  • the plastic sheath can be designed as an injection molded part.
  • the embodiment as an injection molded part allows a cost-effective production of the operating lever in a large number.
  • a more variable shaping of the operating lever is possible to make this ergonomic.
  • based on a simple basic form lever arm made of metal, which is formed for example as a substantially U-shaped profile bar, are introduced into an injection mold with a complex geometry to produce the actuating lever.
  • the plastic sheath can be designed as an attachable to the lever arm cover, which is connectable by thermal treatment with the lever arm.
  • a coating can be prefabricated and then connected inextricably by shrinking with the lever arm.
  • the handle as part of
  • Plasticuitunantelung be executed. In this way, a one-piece design of the operating lever can be reached. In addition, a step in the production of the operating lever is thus saved.
  • the lever arm may have a tab which is formed as an integral part of the lever arm. Due to the one-piece design of the lever arm, the production of the actuating lever is simplified and cheaper.
  • the lever arm can be produced by a punching and bending process, in which the tab is formed with. Thus, it is no longer necessary to connect the tab additionally by suitable connection techniques, such as rivets, gluing or the like, with the lever arm.
  • suitable connection techniques such as rivets, gluing or the like
  • FIG. 1 shows an operating lever of a drafting system.
  • an inventive actuating lever 1 which consists of a lever arm 2 made of metal and a handle 3 made of plastic, which is integrally formed on the lever arm 2.
  • the lever arm 2 has at one end a tab 4, which serves the pivotal arrangement of the actuating lever 1 to a drafting system, not shown.
  • the handle 3 is formed, which is by one operator for opening and closing the upper roller support and loading arm for actuating the operating lever 1 one or two-handedly included.
  • the lever arm 2 is completely surrounded by a plastic casing 5, so that an additional surface treatment of the lever arm 2 for protection against corrosion is not required.
  • the handle 3 is formed as a part of the plastic sheath 5.
  • the lever arm 2 is first introduced into an injection mold, where it is extrusion-coated with the plastic casing 5.
  • the injection mold used for this purpose has a shape that allows the formation of the handle 3 in addition to the complete sheath.
  • the injection molding allows the execution of the operating lever 1 with different contours, which are adaptable to the ergonomic requirements for the operation of the drafting system.
  • the plastic sheath 5 may be formed as a coating, which is connected by a thermal treatment such as shrinkage, inextricably linked to the lever arm 2, whereby also a one-piece design of the actuating lever 1 is achieved.
  • the lever arm 2 has a substantially U-shaped profile and is produced by a punching and bending process.
  • a tab 4 is provided, which has a plurality of through holes 6, by means of which the lever arm 2 is pivotally attachable to the drafting system.
  • the lug 4 facing away from the end of the lever arm 2 is the arrangement of the handle 3, as it is shown in Fig. 1, by the handle 3 is formed during the injection molding on the plastic arm 2 to be covered with plastic.
  • the through holes 6 are recessed during the manufacturing process of the casing by suitable design of the injection molding tool, which also serves the positioning in the injection mold.
  • the tab 4 is inventively formed as an integral part of the lever arm 2. This has the advantage that the tab 4 does not have to be subjected to surface treatment in a separate process in order to protect it from corrosion.

Abstract

The present invention relates to an actuating lever (1) of a top-roll supporting and loading arm of a drafting arrangement for a textile machine, said actuating lever having a lever arm (2) mounted pivotably on the drafting arrangement and a plastic handle (3), wherein the lever arm (2) is provided with a plastic casing (5) which completely surrounds the same.

Description

Beschreibung : Description :
Betätigungshebel eines Oberwalzen-Trag- und BelastungsarmesOperating lever of a top roller support and loading arm
Die vorliegende Erfindung betrifft einen Betätigungshebel eines Oberwalzen-Trag- und Belastungsarmes gemäß dem Oberbegriff des Anspruches 1.The present invention relates to an operating lever of a top roller supporting and loading arm according to the preamble of claim 1.
Aus der DE 39 31 388 Al ist ein Betätigungshebel eines Oberwalzen-Trag- und Belastungsarmes eines Streckwerkes der eingangs genannten Art bekannt, der von einer Bedienperson durch einen vorn liegenden Handgriff betätigbar ist, um den Oberwalzen-Trag- und Belastungsarm zu öffnen und zu schließen. Der Handgriff ist dabei als ein Kunststoffteil ausgeführt, welches auf den aus Metall gefertigten Hebelarm des Betätigungshebels aufgeschoben oder aufgepresst wird. Bei der Betätigung des Oberwalzen-Trag- und Belastungsarmes, insbesondere beim Schließen, kann es erforderlich werden, den Betätigungshebel beidhändig zu bedienen. Somit wird der Betätigungshebel durch die beidhändige Bedienung dem Handschweiß der Bedienperson ausgesetzt, der korrosiv wirkt. Zum Schutz vor Korrosion ist daher bei der Herstellung des Hebelarmes eine geeignete Beschichtung, beispielsweise durch das Aufbringen einer Lackschicht, oder eine Oberflächenvergütung, beispielsweise durch Verzinkung, der freiliegenden Metalloberfläche des Betätigungshebels erforderlich, was zusätzliche Kosten und Aufwand verursacht.From DE 39 31 388 Al, an operating lever of a top roller carrying and loading arm of a drafting device of the type mentioned is known, which can be actuated by an operator through a forward handle to open the top roller carrying and loading arm and close , The handle is designed as a plastic part, which is pushed or pressed onto the lever arm made of metal of the actuating lever. When operating the upper roller support and loading arm, especially when closing, it may be necessary to operate the operating lever with both hands. Thus, the two-handed operation exposes the operating lever to the hand sweat of the operator who is corrosive. To protect against corrosion is therefore in the manufacture of the lever arm, a suitable coating, for example by the application of a lacquer layer, or a surface finish, for example by galvanizing, the exposed metal surface of the operating lever required, which causes additional costs and effort.
Aufgabe der vorliegenden Erfindung ist es, den Betätigungshebel so weiterzuentwickeln, dass er kostengünstiger herstellbar ist.Object of the present invention is to further develop the actuating lever so that it is cheaper to produce.
Diese Aufgabe wird durch die kennzeichnenden Merkmale des Anspruches 1 gelöst. Vorteilhafte Weiterbildungen sind Gegenstand der Unteransprüche. Gemäß Anspruch 1 wird vorgeschlagen, dass der Hebelarm mit einer Kunststoffummantelung versehen ist, die diesen vollständig umgibt. Durch die Kunststoffummantelung des Hebelarmes wird dieser vor äußeren Einflüssen, wie beispielsweise dem Handschweiß einer Bedienperson bei der Bedienung, geschützt. Die vollständige Kunststoffummantelung bietet auch gegenüber äußeren Einflüssen wie der Klimatisierung eines Raumes, in dem ein Streckwerk mit dem erfindungsgemäßen Betätigungshebel eingesetzt wird, einen zuverlässigen Korrosionsschutz des Hebelarmes. Ebenso ist der mit Kunststoff ummantelte Hebelarm unempfindlicher gegenüber Reinigungsmitteln, die zur Reinigung der Streckwerke verwendet werden können. Einer zusätzlichen Behandlung der freiliegenden Metalloberfläche des Hebelarmes zum Korrosionsschutz vor dessen Montage am Streckwerk bedarf es nicht mehr, wie es gemäß dem Stand der Technik erforderlich ist.This object is solved by the characterizing features of claim 1. Advantageous developments are the subject of the dependent claims. According to claim 1 it is proposed that the lever arm is provided with a plastic casing which completely surrounds it. By plastic coating of the lever arm of this is protected from external influences, such as the hand sweat of an operator in the operation. The complete plastic casing also offers over external influences such as the air conditioning of a room in which a drafting system is used with the actuating lever according to the invention, a reliable corrosion protection of the lever arm. Likewise, the coated with plastic lever arm is less sensitive to cleaning agents that can be used to clean the drafting equipment. An additional treatment of the exposed metal surface of the lever arm for corrosion protection before its assembly on the drafting system is no longer required, as required by the prior art.
Insbesondere kann die Kunststoffummantelung als Spritzgussteil ausgeführt sein. Die Ausführung als Spritzgussteil ermöglicht eine kostengünstige Herstellung des Betätigungshebels in einer großen Stückzahl. Darüber hinaus ist eine variablere Formgebung des Betätigungshebels möglich, um diesen ergonomisch zu gestalten. Hierzu kann der auf einer einfachen Grundform beruhende Hebelarm aus Metall, der beispielsweise als ein im Wesentlichen U-förmiger Profilstab ausgebildet ist, in eine Spritzgussform mit einer komplexen Geometrie eingebracht werden, um den Betätigungshebel herzustellen.In particular, the plastic sheath can be designed as an injection molded part. The embodiment as an injection molded part allows a cost-effective production of the operating lever in a large number. In addition, a more variable shaping of the operating lever is possible to make this ergonomic. For this purpose, based on a simple basic form lever arm made of metal, which is formed for example as a substantially U-shaped profile bar, are introduced into an injection mold with a complex geometry to produce the actuating lever.
Alternativ kann die Kunststoffummantelung als ein auf den Hebelarm aufsteckbarer Überzug ausgeführt sein, der durch thermische Behandlung mit dem Hebelarm verbindbar ist. Hierzu kann ein Überzug vorgefertigt werden und anschließend durch Schrumpfen unlösbar mit dem Hebelarm verbunden werden. Vorzugsweise kann der Handgriff als Teil derAlternatively, the plastic sheath can be designed as an attachable to the lever arm cover, which is connectable by thermal treatment with the lever arm. For this purpose, a coating can be prefabricated and then connected inextricably by shrinking with the lever arm. Preferably, the handle as part of
Kunststoffuitunantelung ausgeführt sein. Auf diese Weise kann eine einstückige Ausführung des Betätigungshebels ereicht werden. Zudem wird somit ein Schritt bei der Fertigung des Betätigungshebels eingespart.Plasticuitunantelung be executed. In this way, a one-piece design of the operating lever can be reached. In addition, a step in the production of the operating lever is thus saved.
Insbesondere kann der Hebelarm eine Lasche aufweisen, die als integraler Teil des Hebelarmes ausgebildet ist. Durch die einstückige Ausbildung des Hebelarmes wird die Herstellung des Betätigungshebels vereinfacht und kostengünstiger. Der Hebelarm ist durch einen Stanz- und Biegeprozess herstellbar, bei dem die Lasche mit ausgeformt wird. So ist es nicht mehr notwendig, die Lasche zusätzlich durch geeignete Verbindungstechniken, wie beispielsweise Nieten, Verkleben oder dergleichen, mit dem Hebelarm zu verbinden. Ebenso ist die anschließende vollständige Ummantelung des Hebelarmes durch Spritzgießen in einem Arbeitsschritt durchführbar, da die Lasche und der Hebelarm nicht mehr als zwei separate Teile ausgeführt sind.In particular, the lever arm may have a tab which is formed as an integral part of the lever arm. Due to the one-piece design of the lever arm, the production of the actuating lever is simplified and cheaper. The lever arm can be produced by a punching and bending process, in which the tab is formed with. Thus, it is no longer necessary to connect the tab additionally by suitable connection techniques, such as rivets, gluing or the like, with the lever arm. Likewise, the subsequent complete sheathing of the lever arm by injection molding in one step is feasible, since the tab and the lever arm are not more than two separate parts.
Die Erfindung wird nachfolgend anhand eines in den Zeichnungen dargestellten Ausführungsbeispieles näher erläutert.The invention will be explained in more detail with reference to an embodiment shown in the drawings.
Darin zeigen:Show:
Fig. 1 einen Betätigungshebel eines Streckwerkes;1 shows an operating lever of a drafting system.
Fig. 2 einen Hebelarm des Betätigungshebels gemäß Fig. 1.2 a lever arm of the actuating lever according to FIG. 1.
In den Fig. 1 und 2 ist ein erfindungsgemäßer Betätigungshebel 1 dargestellt, der aus einem Hebelarm 2 aus Metall und einem Handgriff 3 aus Kunststoff besteht, der an dem Hebelarm 2 angeformt ist. Der Hebelarm 2 weist an einem Ende eine Lasche 4 auf, die der schwenkbaren Anordnung des Betätigungshebels 1 an einem nicht dargestellten Streckwerk dient. An dem der Lasche 4 abgewandten Ende des Hebelarmes 2 ist der Handgriff 3 ausgebildet, der durch eine Bedienperson zum Öffnen und Schließen des Oberwalzen-Trag- und Belastungsarmes zur Betätigung des Betätigungshebels 1 ein- oder beidhändig umfasst wird. Erfindungsgemäß ist der Hebelarm 2 von einer Kunststoffummantelung 5 vollständig umgeben, so dass eine zusätzliche Oberflächenbehandlung des Hebelarmes 2 zum Schutz vor Korrosion nicht erforderlich ist. Der Handgriff 3 ist dabei als ein Teil der Kunststoffummantelung 5 ausgebildet.1 and 2, an inventive actuating lever 1 is shown, which consists of a lever arm 2 made of metal and a handle 3 made of plastic, which is integrally formed on the lever arm 2. The lever arm 2 has at one end a tab 4, which serves the pivotal arrangement of the actuating lever 1 to a drafting system, not shown. At which the tab 4 opposite end of the lever arm 2, the handle 3 is formed, which is by one operator for opening and closing the upper roller support and loading arm for actuating the operating lever 1 one or two-handedly included. According to the invention, the lever arm 2 is completely surrounded by a plastic casing 5, so that an additional surface treatment of the lever arm 2 for protection against corrosion is not required. The handle 3 is formed as a part of the plastic sheath 5.
Zur Herstellung des Betätigungshebels 1 wird der Hebelarm 2 zunächst in eine Spritzgussform eingebracht, wo er mit der Kunststoffummantelung 5 umspritzt wird. Die verwendete Spritzgussform weist hierzu eine Formgebung auf, die neben der vollständigen Ummantelung auch die Ausbildung des Handgriffes 3 ermöglicht. Das Spritzgießen erlaubt die Ausführung des Betätigungshebels 1 mit unterschiedlichen Konturen, die an die ergonomischen Anforderungen zu der Bedienung des Streckwerkes anpassbar sind.For the production of the actuating lever 1, the lever arm 2 is first introduced into an injection mold, where it is extrusion-coated with the plastic casing 5. The injection mold used for this purpose has a shape that allows the formation of the handle 3 in addition to the complete sheath. The injection molding allows the execution of the operating lever 1 with different contours, which are adaptable to the ergonomic requirements for the operation of the drafting system.
Alternativ kann die Kunststoffummantelung 5 als ein Überzug ausgebildet sein, der durch eine thermische Behandlung, wie beispielsweise Schrumpfen, unlösbar mit dem Hebelarm 2 verbunden wird, wodurch ebenfalls eine einstückige Ausbildung des Betätigungshebels 1 erreicht wird.Alternatively, the plastic sheath 5 may be formed as a coating, which is connected by a thermal treatment such as shrinkage, inextricably linked to the lever arm 2, whereby also a one-piece design of the actuating lever 1 is achieved.
In Fig. 2 ist der Hebelarm 2 des Betätigungshebels 1 ohne die Kunststoffummantelung 5 dargstellt. Der Hebelarm 2 weist ein im Wesentlichen U-förmig ausgebildetes Profil auf und wird durch einen Stanz- und Biegeprozess hergestellt. An einem Ende des Hebelarmes 2 ist eine Lasche 4 vorgesehen, die mehrere Durchbohrungen 6 aufweist, mittels der der Hebelarm 2 schwenkbar an dem Streckwerk befestigbar ist. Das der Lasche 4 abgewandte Ende des Hebelarmes 2 dient der Anordnung des Handgriffes 3, wie er in Fig. 1 dargestellt ist, indem der Handgriff 3 während des Spritzgießens an dem mit Kunststoff zu ummantelnden Hebelarm 2 ausgeformt wird. Die Durchbohrungen 6 werden während des Herstellprozesses der Ummantelung durch geeignete Gestaltung des Spritzgusswerkzeuges ausgespart, was zugleich der Positionierung im Spritzgusswerkzeug dient. Im Gegensatz zum Stand der Technik, bei dem die Lasche 4 als separates Bauteil auf den Hebelarm 3 aufgepresst wird, ist die Lasche 4 erfindungsgemäß als integraler Teil des Hebelarmes 2 ausgebildet. Dies hat den Vorteil, dass die Lasche 4 nicht in einem separaten Prozess einer Oberflächenvergütung unterzogen werden muss, um diese vor Korrosion zu schützen. In Fig. 2, the lever arm 2 of the actuating lever 1 without the plastic sheath 5 dargstellt. The lever arm 2 has a substantially U-shaped profile and is produced by a punching and bending process. At one end of the lever arm 2, a tab 4 is provided, which has a plurality of through holes 6, by means of which the lever arm 2 is pivotally attachable to the drafting system. The lug 4 facing away from the end of the lever arm 2 is the arrangement of the handle 3, as it is shown in Fig. 1, by the handle 3 is formed during the injection molding on the plastic arm 2 to be covered with plastic. The through holes 6 are recessed during the manufacturing process of the casing by suitable design of the injection molding tool, which also serves the positioning in the injection mold. In contrast to the prior art, in which the tab 4 is pressed as a separate component on the lever arm 3, the tab 4 is inventively formed as an integral part of the lever arm 2. This has the advantage that the tab 4 does not have to be subjected to surface treatment in a separate process in order to protect it from corrosion.

Claims

Patentansprüche : Claims:
1. Betätigungshebel (1) eines Oberwalzen-Trag- und Belastungsarmes eines Streckwerkes für eine Textilmaschine, der einen schwenkbar am Streckwerk gelagerten Hebelarm (2) und einen Handgriff (3) aus einem Kunststoff aufweist,1. An operating lever (1) of a top roller carrying and loading arm of a drafting system for a textile machine, which has a pivotally mounted on the drafting lever arm (2) and a handle (3) made of a plastic,
dadurch gekennzeichnet,characterized,
dass der Hebelarm (2) mit einer Kunststoffummantelung (5) versehen ist, die diesen vollständig umgibt.that the lever arm (2) is provided with a plastic casing (5) which completely surrounds it.
2. Betätigungshebel (1) nach Anspruch 1, dadurch gekennzeichnet, dass die Kunststoffummantelung (5) als Spritzgussteil ausgeführt ist.2. actuating lever (1) according to claim 1, characterized in that the plastic casing (5) is designed as an injection molded part.
3. Betätigungshebel (1) nach Anspruch 1, dadurch gekennzeichnet, dass die Kunststoffummantelung (5) als ein auf den Hebelarm (2) aufsteckbarer Überzug ausgeführt ist, der durch thermische Behandlung mit dem Hebelarm (2) verbindbar ist.3. actuating lever (1) according to claim 1, characterized in that the plastic sheath (5) is designed as a on the lever arm (2) attachable coating, which is connectable by thermal treatment with the lever arm (2).
4. Betätigungshebel (1) nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Handgriff (3) als Teil der Kunststoffummantelung (5) ausgebildet ist.4. actuating lever (1) according to one of claims 1 to 3, characterized in that the handle (3) is formed as part of the plastic casing (5).
5. Betätigungshebel (1) nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Hebelarm (2) eine Lasche (4) aufweist, die als integraler Teil des Hebelarmes (3) ausgebildet ist. 5. actuating lever (1) according to one of claims 1 to 3, characterized in that the lever arm (2) has a tab (4) which is formed as an integral part of the lever arm (3).
PCT/EP2008/004508 2007-08-16 2008-06-06 Actuating lever of a top-roll supporting and loading arm WO2009021570A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007038600.3 2007-08-16
DE200710038600 DE102007038600A1 (en) 2007-08-16 2007-08-16 Operating lever of a top roller support and loading arm

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WO2009021570A1 true WO2009021570A1 (en) 2009-02-19

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3931388A1 (en) * 1989-09-20 1991-03-28 Zinser Textilmaschinen Gmbh Upper drawing roller hand grip - has pressure and pull surfaces with vertical and lateral displacement to give ergonomic shape
DE19504801C1 (en) * 1995-02-14 1996-08-14 Skf Textilmasch Komponenten Carrier and loading arm for upper drawing rollers
DE20018517U1 (en) * 2000-10-28 2001-01-25 Westfalia Van Conversion Gmbh Locking device for a pop-top roof on camping vehicles
DE10145670A1 (en) * 2001-09-11 2003-03-27 Rieter Ag Maschf Clamping roller, acting on drawn sliver at a drawing unit condensing zone, is held in a spring-loaded holder with settings to give different roller positions
DE102005005382A1 (en) * 2005-02-05 2006-08-10 Texparts Gmbh Top roller carrier for drafting systems on spinning machines

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004025521A1 (en) * 2004-05-25 2005-12-15 Texparts Gmbh Top roller for drafting systems on spinning machines

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3931388A1 (en) * 1989-09-20 1991-03-28 Zinser Textilmaschinen Gmbh Upper drawing roller hand grip - has pressure and pull surfaces with vertical and lateral displacement to give ergonomic shape
DE19504801C1 (en) * 1995-02-14 1996-08-14 Skf Textilmasch Komponenten Carrier and loading arm for upper drawing rollers
DE20018517U1 (en) * 2000-10-28 2001-01-25 Westfalia Van Conversion Gmbh Locking device for a pop-top roof on camping vehicles
DE10145670A1 (en) * 2001-09-11 2003-03-27 Rieter Ag Maschf Clamping roller, acting on drawn sliver at a drawing unit condensing zone, is held in a spring-loaded holder with settings to give different roller positions
DE102005005382A1 (en) * 2005-02-05 2006-08-10 Texparts Gmbh Top roller carrier for drafting systems on spinning machines

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TW200909627A (en) 2009-03-01

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