EP0946803A1 - Vorrichtung zum knoten von perlenketten - Google Patents
Vorrichtung zum knoten von perlenkettenInfo
- Publication number
- EP0946803A1 EP0946803A1 EP97953817A EP97953817A EP0946803A1 EP 0946803 A1 EP0946803 A1 EP 0946803A1 EP 97953817 A EP97953817 A EP 97953817A EP 97953817 A EP97953817 A EP 97953817A EP 0946803 A1 EP0946803 A1 EP 0946803A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- holder
- thread
- finger
- driver
- loop
- 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.)
- Granted
Links
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04G—MAKING NETS BY KNOTTING OF FILAMENTARY MATERIAL; MAKING KNOTTED CARPETS OR TAPESTRIES; KNOTTING NOT OTHERWISE PROVIDED FOR
- D04G5/00—Knotting not otherwise provided for
Definitions
- Pearl necklaces consist of a thread, also known as pearl silk, on which a sequence of pearls, which are pierced, is strung. If the thread breaks, unsecured pearls can be lost. It is therefore known to secure the pearls individually or in groups by providing a knot between adjacent pearls in the thread which is thicker than the hole in the pearl so that the pearl cannot overcome the knot. If all pearls are secured in this way, no more than one pearl can be lost if the thread breaks. Knotting the beads is a tedious task and is usually done by experienced people doing homework. The difficulty lies in placing the knots so close to the pearls that they are as close together as possible and the pearl necklace becomes as tight as possible.
- the present invention has for its object to provide a device for knotting pearl necklaces, which enables even inexperienced people to knot pearls on a thread quickly and tightly.
- the device according to the invention initially has mechanical means for forming a defined loop in the thread.
- a first holder is provided for a pearl drawn on a thread and to be fixed by a knot.
- This holder has a slot which is open on one side for the lateral insertion of the thread.
- the pearl on the thread is already supported on one side by a knot, is positioned behind the holder and pulled against the holder by pulling the thread tight.
- a pivotable loop pattern is provided with a first finger, which is arranged at a distance from the first holder, and with a driver, which is pivotable about the pivot axis of the loop former, which is closer to the finger than is arranged at the driver.
- a section of the thread passed between the pivot axis and the finger is taken along, the pivoting angle being dimensioned so large that the driver and with it the carried section of the thread (hereinafter referred to as the first section of the thread) one between has passed the first holder and the finger-extending second section of the thread.
- the loop that thereby being formed in the thread is kept open in that a loop holder engages in the space between the two thread sections.
- This loop holder is a finger which can be moved transversely to the swivel plane. It has an ineffective position in which it does not engage in the space between the two thread sections, and it has an effective position in which it engages in the space between the two thread sections.
- the free end of the thread is introduced into the loop which is kept open in this way.
- a passage is provided in the pivoting area of the driver, through which the free end of the thread can be guided from one side of the pivoting plane through the loop to the other side of the pivoting plane.
- the knot is in principle formed, but it still has to be tightened.
- the two fingers initially oppose this.
- the first finger which is part of the loop former, is moved out of the loop by moving the loop former back to its starting position.
- the sliding out of the first finger from the loop is facilitated if the finger is curved so that the thread glides smoothly over it to the tip of the finger when the finger hits the thread with its convex side when the loop former is moved back.
- the second finger remains in the loose knot and prevents it from being pulled tight.
- the task of an operator is now to guide the knot close to the not yet knotted pearl behind the first holder and to tighten it.
- a second holder which has a second slot in which the thread can be introduced.
- This second slot is approximately aligned with the first slot in the first holder and is also open on one side; its one-sided opening lies in the vicinity of the one-sided opening of the first slot, so that the thread, when it is moved laterally out of the first slot, is automatically fed to the second holder and inserted into its slot.
- the two holders are arranged somewhat offset from one another, in such a way that the second finger, which is movable not only transversely to the swiveling plane of the loop former, but also transversely to its own longitudinal extent, preferably parallel to the swiveling plane, as a result of it Movement, which can be rectilinear, but preferably runs in an arc, can be transferred from the position to be knotted from a position behind the first holder to a position in front of the second holder.
- the loose, not yet tightened knot follows the movement of the second finger; the same applies to the pearl to be knotted, which in this way comes behind the second holder together with the finger and the knot which has not yet been tightened.
- the loop By pulling the thread taut, the loop is initially narrowed as far as the thickness of the second finger allows.
- the free end of the thread inevitably extends into a gusset formed between the pearl to be knotted and the second finger in the immediate vicinity of the hole in the pearl. If the second finger is now pulled out of the loop while the thread is being pulled, the knot is automatically pulled into the vanishingly small gap between the second holder and the pearl and lies tightly against it.
- This process can be favored by the fact that the second finger gradually tapers towards its tip, so that the loop narrows in a defined manner by pulling back the second finger.
- the distance of the finger from the second holder must not be too large, so that the knot does not take place in free space. It is optimal if the path of movement of the second finger leads so close to the second holder that between the second holder and the second finger there is only the thread formed to form the loop.
- the slot in the second holder is as narrow as possible, i.e. not wider than the thickness of the thread.
- the slit gradually narrows starting from its one-sided opening, or in other words gradually widens towards its one-sided opening.
- this facilitates the insertion of the thread when it is transferred from the first slot into the second slot; at the same time, the thread can be guided in the narrowing slot to the narrowest point possible for it.
- the second holder is designed as resilient pliers, with a fixed jaw and with a movable jaw, which is acted upon by a spring to close the pliers.
- the movable jaw preferably has a third slot which, when the pliers are opened, moves into alignment with the opening jaw of the pliers and thereby limits the effective opening width of the pliers.
- the second finger After the second finger has been pulled out of the loop, it is expediently locked in its inactive position, preferably by a locking mechanism, the locking member of which can be unlocked again when the next loop is formed by the action of the driver or an extension of the driver on the locking member, whereupon the second finger is moved into its operative position by the action of a spring, in which it engages in the loop and holds it open until the next knot is tied down.
- a locking mechanism the locking member of which can be unlocked again when the next loop is formed by the action of the driver or an extension of the driver on the locking member, whereupon the second finger is moved into its operative position by the action of a spring, in which it engages in the loop and holds it open until the next knot is tied down.
- the shape of the driver should be selected so that it forms a loop that is large enough to allow the second finger to engage and the free end of the thread, preferably weighted with a weight, without being able to pass through it with great disability.
- the driver is therefore expediently arranged at the tip of an arc-shaped thread guide part which extends in the pivot plane and leads around the pivot axis and which has a groove or groove on its arc-shaped outer side for receiving a portion of the thread and preferably extends approximately over a quarter circle whose center is the swivel axis.
- FIG. 1 shows a top view of the device, in the starting position before the formation of a loop
- FIG. 2 shows the device in a top view as in FIG. 1, but in an intermediate position during the formation of the loop
- Figure 3 shows the device in a plan view as in Figure 1, but in the
- Figure 4 shows in a plan view of part of the device the beginning of
- FIG. 5 shows in a top view as in FIG. 4 the knot formation in an advanced stage
- Figure 6 shows a top view corresponding to Figure 1, the phase of
- FIG. 7 shows the device in a front view with a part removed
- FIG. 8 shows in detail a loop holder designed as a finger
- the device has an essentially cuboid housing 1 with a base 2, with side walls 3 and 4, with a front wall 5, with a rear wall 6, with a first cover 7, which (based on the illustration in FIG. 1 and FIG. 7) ) is located in the left area of the device and partially broken away in the illustration of FIGS. 1 to 3, and with a second cover 8 only shown in FIG. 7, which partially overlaps the first cover.
- a vertical axis 9 is mounted in the second cover 8 and can be rotated by a crank 10.
- a thread pattern 11 is fastened on the axis 9, consisting of a crescent-shaped finger 12, which is fastened close to the axis 9 and extends upwards, a driver 13 for a thread, which is located at a greater distance from the axis 9 is located and continues in an arcuate guide part 14 which extends approximately in a quarter circle around the axis 9 and has on the outside a groove or groove 15 into which a thread can be inserted.
- a first holder 16 is fixedly attached to the cover 7, which is formed by a vertically extending sheet metal and has a horizontal slot 17 with an opening 18 on one side.
- a loop holder 19 is arranged between the first holder 16 and the loop pattern 11, which is a second finger, which extends from the bottom up and tapers towards the top.
- the second finger 19 is located at the end of a lever 20 which can be pivoted about a vertical axis 21 and is thereby under the action of a compression spring 22 which brings it back into its starting position shown in FIG. 1.
- the tip of the lever 20 carrying the finger 19 can be pressed downward in a springy manner and for this purpose carries a rod 23 which protrudes from the housing 1 so that it can be actuated with the finger.
- the lever 20 If the lever 20 is pressed downward, it engages behind a pawl 24 which is suspended on the first cover 7 in an oscillating manner.
- the pawl is fastened to a spring plate 25, which is suspended freely swinging about a horizontal axis 26 attached under the first cover 7.
- the pawl 24 moves into the locked position shown in FIG. 8 by gravity.
- the free end 27 of the spring plate By pressing the free end 27 of the spring plate, the pawl 24 and the lever 20 are disengaged, thereby releasing the locking mechanism, whereupon the lever 20 is moved upwards with the finger 19 by spring force.
- the free end 27 of the spring plate 25 is arranged in the pivot path of the driver 13, so that the locking mechanism is released when the driver is pivoted and the finger 19 is driven upwards.
- a second holder 28 is attached to the first cover 7, which has a horizontal slot 29, which is also open on one side; its lateral opening 30 lies opposite the lateral opening 18 of the first slot 17.
- the second slot 29 widens towards its opening 30.
- the second holder 28 is designed as pliers with an upper, fixed jaw 31 and a lower movable jaw 32, which can be deflected downward about a horizontal axis 33 against the force of a spring 34.
- a pearl 35 on a thread 36 this pearl is drawn onto the thread 36 and pushed against a previously formed knot 37 or against another pearl 38, which in turn is tied by a knot 37 can be secured.
- the pearl to be knotted is arranged by inserting the thread 36 into the slot 17 of the first holder 16 on the back of the first holder 16 and temporarily fixed by pulling the thread 36.
- the thread 36 is passed between the axis 9 and the first finger 12 to the driver 13 and further through an incision 39 in the right side wall 3.
- the end of the thread, on which further beads 40 can be located, is weighted down by a weight piece 41 and thus hangs taut downward. From the starting position shown in Figure 1, the thread pattern 11 is pivoted clockwise by the crank 10.
- the driver 13 takes the thread 36 with it.
- the crescent-shaped finger 12 moves with its concave side against the portion 36a of the thread 36 stretched between the axis 9 and the first holder 16 and thereby holds it in the vicinity of the axis 9, whereas the driver 13 holds the portion 36b of the thread on which it is acts, takes along its arcuate swivel path (Figure 2) to a position which corresponds to a rotation of the loop former by a three-quarter circle and can be limited by a stop (not shown) for the crank 10 ( Figure 3).
- the section 36b of the thread passes the section 36a of the thread after a pivoting angle of approximately 180 °, as a result of which a loop is formed, into which the second finger 19 then engages after the driver 13 on the free end 17 of the thread Spring plate 26 is hit, on which the pawl 24 hangs, which initially held the second finger 19 in its lower position, but triggers after a pivoting angle of more than 180 °, so that the finger 19 is driven upwards into the loop.
- a passage 42 designed as a slide is provided, on which the weight piece 41 is forcibly guided (see FIG. 3).
- the loop pattern 11 is pivoted back counterclockwise to its starting position (FIGS. 4 and 5). Thanks to its now effective convex side, the first finger 12 slides out of the loop 43, in which the second finger 19 is still located and prevents the loop 43 from being pulled into a knot too soon.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Adornments (AREA)
- Farming Of Fish And Shellfish (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29621634U | 1996-12-13 | ||
DE29621634U DE29621634U1 (de) | 1996-12-13 | 1996-12-13 | Vorrichtung zum Knoten von Perlenketten |
PCT/EP1997/007028 WO1998026121A1 (de) | 1996-12-13 | 1997-12-15 | Vorrichtung zum knoten von perlenketten |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0946803A1 true EP0946803A1 (de) | 1999-10-06 |
EP0946803B1 EP0946803B1 (de) | 2001-03-28 |
Family
ID=8033226
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97953817A Expired - Lifetime EP0946803B1 (de) | 1996-12-13 | 1997-12-15 | Vorrichtung zum knoten von perlenketten |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0946803B1 (de) |
AT (1) | ATE200113T1 (de) |
DE (2) | DE29621634U1 (de) |
WO (1) | WO1998026121A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110269331A (zh) * | 2019-04-23 | 2019-09-24 | 潍坊罗束饰品有限公司 | 一种项链串连装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1610477A1 (de) * | 1967-04-07 | 1971-05-27 | Gerhard Dawidowski Fa | Perlen-Verknotungsgeraet |
DE19519348A1 (de) * | 1995-05-26 | 1996-11-28 | Guenter Manderla | Vorrichtung zum Knoten von Perlenketten |
-
1996
- 1996-12-13 DE DE29621634U patent/DE29621634U1/de not_active Expired - Lifetime
-
1997
- 1997-12-15 WO PCT/EP1997/007028 patent/WO1998026121A1/de active IP Right Grant
- 1997-12-15 DE DE59703257T patent/DE59703257D1/de not_active Expired - Fee Related
- 1997-12-15 AT AT97953817T patent/ATE200113T1/de not_active IP Right Cessation
- 1997-12-15 EP EP97953817A patent/EP0946803B1/de not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO9826121A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110269331A (zh) * | 2019-04-23 | 2019-09-24 | 潍坊罗束饰品有限公司 | 一种项链串连装置 |
Also Published As
Publication number | Publication date |
---|---|
WO1998026121A1 (de) | 1998-06-18 |
ATE200113T1 (de) | 2001-04-15 |
EP0946803B1 (de) | 2001-03-28 |
DE59703257D1 (de) | 2001-05-03 |
DE29621634U1 (de) | 1998-09-03 |
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