EP0187745A1 - Contact rail arrangement for the warp stop of a textile machine - Google Patents
Contact rail arrangement for the warp stop of a textile machineInfo
- Publication number
- EP0187745A1 EP0187745A1 EP84902905A EP84902905A EP0187745A1 EP 0187745 A1 EP0187745 A1 EP 0187745A1 EP 84902905 A EP84902905 A EP 84902905A EP 84902905 A EP84902905 A EP 84902905A EP 0187745 A1 EP0187745 A1 EP 0187745A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rail
- outer rail
- slot
- guide piece
- inner rail
- 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.)
- Withdrawn
Links
Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D51/00—Driving, starting, or stopping arrangements; Automatic stop motions
- D03D51/18—Automatic stop motions
- D03D51/20—Warp stop motions
- D03D51/28—Warp stop motions electrical
Definitions
- the invention relates to a contact rail arrangement for the warp thread monitor of a textile machine, with a cross-sectionally U-shaped metallic outer rail and a longitudinally movable inner rail which is electrically insulated from it and toothed at the upper edge.
- the inner rail only has an outer part with a narrow cross section made of insulating material to arrange the rail between their legs, and to place the metallic and toothed part of the inner rail only on top of the part made of insulating material, so that there is a vertical distance between this metallic part and the outer rail to avoid that by damp and on the outer surfaces of the Airborne dust adhering to the inner rail can form an electrically conductive connection during weaving, which could cause incorrect shutdown of the weaving machine.
- the inner rail is not guided and held in such a way that longitudinal movement and complete removal of the inner rail from the outer rail is possible for cleaning or repair purposes, but separation of the inner rail from the outer rail in the direction perpendicular to the longitudinal direction out of the slot of the outer rail is prevented.
- dirt can easily penetrate into the slot on both sides of the inner rail guided therein, so that the possibility of easy dismantling for cleaning purposes would be advantageous.
- the object underlying the invention was therefore to create a contact rail arrangement in which the outer rail and the inner rail are guided and coupled in such a way for a relative movement to one another that the inner rail easily separates completely from the outer rail leaves, but in the operating state the inner rail does not come out of the slot in the vertical direction rail can move out.
- This longitudinal guidance and coupling should be accomplished with the simplest means and, in addition, it should be prevented in a simple manner that dirt or flying dust can penetrate into the slot of the outer rail on both sides of the inner rail.
- the contact rail arrangement has the features stated in claim 1.
- This contact rail arrangement has the advantage that the parts required for the longitudinal guidance and coupling of the inner rail with the outer rail are very inexpensive to manufacture and easy to assemble.
- the recesses to be formed in the outer rail at intervals are expediently designed as oblong holes that penetrate the outer rail, each of a guide piece which is designed to match the elongated hole and is preferably made of plastic material.
- the guide piece can preferably be held by a snap connection in the outer rail, for which purpose the guide piece expediently has a projection at the lower edge in the middle and above it a through slot which enables the projection to resiliently into the slot of the cross section U -shaped outer rail can snap into place.
- FIG. 1 shows a portion of the inner rail in side view
- FIG. 2 shows a front view of the inner rail according to FIG. 1
- Fig. 4 shows a cross section only through the outer rail along the line I-I in Fig. 3, on a larger scale
- FIG. 5 shows a cross section through the outer rail and the inner rail along the line I-I in FIG. 3
- Fig. 7 is a side view of the guide piece on a larger scale compared to Fig. 3
- FIG. 8 shows a cross section through the guide piece according to line II-II in FIG. 7.
- the inner rail 1 according to FIG. 1 has a rail-shaped part 2 made of insulating material, the cross section of which is shown in FIG. 2 and on a larger scale in FIG. 6.
- the part 2 made of insulating material is wider than in its lower section 4 and the wider section tapers with inclined outer surfaces towards the upper edge, from which a groove 5 extends into the part 2 consisting of insulating material, in which a metallic rail 6 is fixedly arranged, which is provided at the upper edge with teeth 7 arranged at intervals.
- the width of the widened upper section 3 of the part 2 of the inner rail 1 made of insulating material corresponds to the outer width of the outer rail 8 with a U-shaped cross section, into the slot 9 of which the inner rail 1 extends, the wider section 3 the inner rail covers the outer rail 8 at the top, as a result of which the slot 9 in the outer rail 8 is also covered and no dirt or dust can penetrate into it.
- the part 2 of the inner rail 1, which is made of insulating material, has at the lower edge an edge section 10 which is widened in cross section and extends over the entire length of the part 2 consisting of insulating material.
- the inner rail 1 is held in a number of guide pieces 11, which, as can be seen in FIG. 3, are inserted into the outer rail 8 at longitudinal intervals from one another, in such a way that the inner rail 1 does not protrude upward out of the slot 9 of the outer rail 8 can be moved out.
- the inner rail 1 is coupled to the outer rail 8 with full longitudinal mobility of the inner rail in the outer rail.
- the guide pieces 11 are arranged in recesses, each preferably designed as an elongated hole 12, which penetrate the outer rail 8 transversely, as can be seen from the cross section of the outer rail according to FIG. 4 shown on a larger scale.
- the guide piece 11 shown on a larger scale in FIGS. 7 and 8 is preferably made of plastic material and has a longitudinal slot running longitudinally on the center from the upper edge
- the guide piece 11 completely fills the slot 12 in the outer rail 8 and is the same width as the outer rail 8.
- the guide piece 11 is held in place in the outer rail 8 by means of a snap connection in order to fasten it in the simplest possible manner and easily removable.
- the guide piece 11 has at the lower edge on the middle a projection 15 which is approximately the same width as the slot 9 in the outer rail 8.
- a slot 16 is formed in the guide piece 11 which extends transversely therethrough , due to which the lower part of the guide piece with the projection 15 is resilient in order to be able to snap the guide piece into the slot 9 of the outer rail 8 when inserted into the elongated hole 12 in the outer rail 8 with the projection 15.
- the inner rail 1 is thus coupled to the outer rail 8 via the guide piece 11, so that the inner rail cannot be moved upwards out of the outer rail, but can be moved in the longitudinal direction in the outer rail without limitation.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Auxiliary Weaving Apparatuses, Weavers' Tools, And Shuttles (AREA)
- Looms (AREA)
Abstract
Le rail intérieur (1) mobile axialement dans un rail extérieur (8) de section en forme d'un U, comprend une partie (2) de matériau isolant et une crémaillère métallique (6) fixée dans une rainure (5) du bord supérieur de la partie isolante (2). Le rail extérieur (8) comprend des boutonnières longitudinales (12). Un guide de matière synthétique (11), qui est fixé de façon détachable dans chaque boutonnière, comprend une fente longitudinale (13) et sur son fond, un évidement élargi (14). Le rail intérieur (1) est guidé et maintenu, par sa partie isolante (2), dans la fente (13) du guide (11) et par sa partie élargie (10), dans l'évidement élargi (14) de façon que le rail intérieur (1) soit mobile longitudinalement dans le rail extérieur (8) mais sans pouvoir s'en dégager par le haut. La partie du rail intérieur (1) faisant saillie du rail extérieur (8) vers le haut a approximativement la même largeur que le rail extérieur (8) afin d'éviter l'entrée de poussière ou impuretés dans la fente (9) du rail extérieur (8).The inner rail (1) axially movable in an outer rail (8) of U-shaped section, comprises a part (2) of insulating material and a metal rack (6) fixed in a groove (5) of the upper edge of the insulating part (2). The outer rail (8) includes longitudinal buttonholes (12). A synthetic material guide (11), which is detachably fixed in each buttonhole, comprises a longitudinal slot (13) and on its bottom, an enlarged recess (14). The inner rail (1) is guided and held, by its insulating part (2), in the slot (13) of the guide (11) and by its widened part (10), in the widened recess (14) so that the inner rail (1) is movable longitudinally in the outer rail (8) but without being able to be released from the top. The part of the inner rail (1) protruding from the outer rail (8) upwards has approximately the same width as the outer rail (8) in order to prevent the entry of dust or dirt into the slot (9) of the rail exterior (8).
Description
Claims
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CH1984/000125 WO1986001236A1 (en) | 1984-08-09 | 1984-08-09 | Contact rail arrangement for the warp stop of a textile machine |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0187745A1 true EP0187745A1 (en) | 1986-07-23 |
Family
ID=4541139
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP84902905A Withdrawn EP0187745A1 (en) | 1984-08-09 | 1984-08-09 | Contact rail arrangement for the warp stop of a textile machine |
Country Status (5)
Country | Link |
---|---|
US (1) | US4646789A (en) |
EP (1) | EP0187745A1 (en) |
JP (1) | JPS62500111A (en) |
IT (1) | IT1200496B (en) |
WO (1) | WO1986001236A1 (en) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR573435A (en) * | 1923-02-02 | 1924-06-23 | New process for manufacturing toothed bars used in mechanical case-chain machines for looms | |
US1719234A (en) * | 1928-05-01 | 1929-07-02 | Draper Corp | Warp stop mechanism for looms |
NL292257A (en) * | 1962-07-11 | |||
FR1416593A (en) * | 1964-09-21 | 1965-11-05 | Improvement in chain breakers | |
US3817293A (en) * | 1973-04-30 | 1974-06-18 | Rockwell International Corp | Loom stop motion |
CH567127A5 (en) * | 1973-07-24 | 1975-09-30 | Sulzer Ag |
-
1984
- 1984-08-09 WO PCT/CH1984/000125 patent/WO1986001236A1/en not_active Application Discontinuation
- 1984-08-09 US US06/863,889 patent/US4646789A/en not_active Expired - Fee Related
- 1984-08-09 JP JP59502953A patent/JPS62500111A/en active Pending
- 1984-08-09 EP EP84902905A patent/EP0187745A1/en not_active Withdrawn
-
1985
- 1985-07-31 IT IT21776/85A patent/IT1200496B/en active
Non-Patent Citations (1)
Title |
---|
See references of WO8601236A1 * |
Also Published As
Publication number | Publication date |
---|---|
US4646789A (en) | 1987-03-03 |
WO1986001236A1 (en) | 1986-02-27 |
IT8521776A0 (en) | 1985-07-31 |
IT1200496B (en) | 1989-01-18 |
JPS62500111A (en) | 1987-01-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 19860320 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): BE CH DE FR GB LI |
|
17Q | First examination report despatched |
Effective date: 19870922 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19880401 |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: GRAF, MARTIN |