EP0542029B1 - Snap button - Google Patents

Snap button Download PDF

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Publication number
EP0542029B1
EP0542029B1 EP92118328A EP92118328A EP0542029B1 EP 0542029 B1 EP0542029 B1 EP 0542029B1 EP 92118328 A EP92118328 A EP 92118328A EP 92118328 A EP92118328 A EP 92118328A EP 0542029 B1 EP0542029 B1 EP 0542029B1
Authority
EP
European Patent Office
Prior art keywords
spring
ball
rivet
spring housing
eye
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
EP92118328A
Other languages
German (de)
French (fr)
Other versions
EP0542029A1 (en
Inventor
Bernd Henzler
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.)
Stocko Verschlusstechnik GmbH and Co
Original Assignee
Stocko Verschlusstechnik GmbH and Co
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 Stocko Verschlusstechnik GmbH and Co filed Critical Stocko Verschlusstechnik GmbH and Co
Publication of EP0542029A1 publication Critical patent/EP0542029A1/en
Application granted granted Critical
Publication of EP0542029B1 publication Critical patent/EP0542029B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B17/00—Press-button or snap fasteners
    • A44B17/0011—Press-button fasteners in which the elastic retaining action is obtained by a spring working in the plane of the fastener

Definitions

  • the invention relates to a push button for surface material, consisting of an upper part and a lower part, each of which can be fastened to surface materials to be connected and locked together, the upper part and the lower part each consisting of a rivet shaft acting on the surface material with a molded rivet flange and of one consists of a ball (2) or an eyelet (1) existing locking part on the other side of the surface material in which the rivet shaft is riveted, and in the eyelet of the lower part in a spring housing a spring is arranged as a spring element, the inner leg in two mutually parallel slots are resiliently inserted in the inner part of the eyelet of the lower part.
  • a push button with a spring arranged in a spring housing is known, the spring housing of which on the side facing the opening forms a centering surface for the ball.
  • the chamfering of the opening-side surface of the spring housing allows the ball to be put on, but Due to the very short and steep area, it cannot be called a centering aid.
  • the spring is loosely arranged in the housing, so that the spring cannot slide away at any time in the axial direction towards the center of the die, held in the die when the ball enters.
  • the object of the invention is to create a push button with a spring which enables the ball to be centered in the eyelet and can be connected to the surface material without ruffling.
  • a generic push button in which a centering cone is formed on the inside of the eyelet on the spring housing and the middle leg of the spring is arranged in the spring housing in the axial direction towards the centering cone and the spring housing on the outside has a bead has and the spring is cambered towards the ball.
  • the bead on the outside of the spring housing fixes the spring in the spring housing, so that the spring can be prevented from slipping when the spring is pressed apart by the incoming ball.
  • This hold of the spring in the spring housing is ensured by the convex, i.e.
  • the spring which is designed in a curved shape, is reinforced.
  • a centering cone can be formed on the ball between the snap area and the ball flange, which is used on the one hand as a contact surface for the centering cone and on the other hand to absorb the deformation pressure during ball production.
  • the ball can be open, wherein the rivet shaft can be riveted in the opening serving as the rivet hole.
  • the rivet shaft can be riveted in the opening serving as the rivet hole.
  • a surface is placed on the surface material and a lower tool is held against the opposite side through the rivet hole and the surface material is punched out at the passage point, so that no crimping of the surface material can occur.
  • the rivet flange is then flanged to the rivet hole in a known manner.
  • a push button designed according to the invention has the advantage of centering the ball in the eyelet and also of a crimp-free connection to the surface material.
  • an eyelet 1 and a ball 2 are shown before assembly.
  • an S-spring 3 is arranged as a spring element so that the inner legs of the S-spring 3 engage in the two slots 4 arranged parallel to one another in the inner part of the eyelet 1.
  • the S-spring 3 is inserted into a spring housing 5, which has a bead 6 on the outside, which serves to fix the S-spring 3 in the spring housing 5.
  • a centering cone 7 is formed on the inside of the eyelet 1 on the spring housing 5.
  • a rivet shaft 9 is inserted through a rivet hole 10 and connected in the eyelet 1 for connection to the surface material 8.
  • the rivet shank 9 punches out the sheet material 8 so that it cannot curl at the edges.
  • a rivet flange 11 is integrally formed on the rivet shaft 9 and is fixed in the flanged edges of a cap 12.
  • the ball 2 corresponding to the eyelet 1 has a centering cone 15 between a ball flange 13 and a snap area 14.
  • the ball 2 is connected to the surface material 8 in the same way as the eyelet 1 by means of a rivet shaft 16 with a molded rivet flange 17.
  • the rivet shaft 16 punches out the sheet material 8 at the penetration point and is then flanged in the rivet hole 18.

Landscapes

  • Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
  • Massaging Devices (AREA)

Abstract

The subject of the invention is a snap button for flat material (8), consisting of an upper part and of a lower part, the upper part and the lower part each consisting of a rivet shank (9, 16), which acts on the flat material (8), with a moulded-on rivet flange (11, 17) and of a catch part (ball (2)/eye (1)) on the other side of the flat material (8), in which catch part the rivet shank (9, 16) is riveted and in the eye (1) a spring (3) is arranged as spring element whose inner limbs are inserted resiliently in two parallel slots (4) in the inner part of the eye (1). In order to allow centring of the ball (2) in the eye (1), it is proposed that the spring (3) is arranged in a spring housing (5) so as to be offset in the axial direction towards the centre of the eye (1) and that a centring cone (7) is moulded onto the spring housing (5) on the inner side of the eye (1), and that the spring housing (5) has a bead (6) on the outer side and the spring (3) is embossed in the direction towards the ball (2). <IMAGE>

Description

Gegenstand der Erfindung ist ein Druckknopf für Flächenmaterial, bestehend aus einen Oberteil und aus einem Unterteil, die jeweils an zu verbindenden Flächenmaterialien befestigbar und miteinander verrastbar sind, wobei das Oberteil und das Unterteil jeweils aus einem auf das Flächenmaterial einwirkenden Nietschaft mit angeformtem Nietflansch sowie aus einem aus einer Kugel (2) bzw. einer Öse (1) bestehenden Rastteil auf der anderen Seite des Flächenmaterials besteht, in dem der Nietschaft vernietet ist, und in der Öse des Unterteils in einem Federgehäuse eine Feder als Federelement angeordnet ist, deren innere Schenkel in zwei zueinander parallelen Schlitzen im Innenteil der Öse des Unterteils federnd eingesetzt sind.The invention relates to a push button for surface material, consisting of an upper part and a lower part, each of which can be fastened to surface materials to be connected and locked together, the upper part and the lower part each consisting of a rivet shaft acting on the surface material with a molded rivet flange and of one consists of a ball (2) or an eyelet (1) existing locking part on the other side of the surface material in which the rivet shaft is riveted, and in the eyelet of the lower part in a spring housing a spring is arranged as a spring element, the inner leg in two mutually parallel slots are resiliently inserted in the inner part of the eyelet of the lower part.

Aus der DE-OS 25 22 518 ist ein Druckknopf mit einer im einem Federgehäuse angeordneten Feder bekannt, dessen Federgehäuse auf der der Öffnung zugewandten Seite abgeschrägt eine Zentrierfläche für die Kugel bildet Die Abschrägung der öffnungsseitigen Fläche des Federgehäuses erlaubt zwar ein Anlegen der Kugel, jedoch kann aufgrund der sehr kurzen und steilen Fläche nicht von einer Zentrierhilfe gesprochen werden. Darüber hinaus ist bei diesem Druckknopf die Feder lose im Gehäuse angeordnet, so daß die Feder nicht jederzeit in axialer Richtung auf die Mitte der Matrize hin versetzt in der Matrize gehalten beim Eintreten der Kugel wegrutschen kann.From DE-OS 25 22 518 a push button with a spring arranged in a spring housing is known, the spring housing of which on the side facing the opening forms a centering surface for the ball. The chamfering of the opening-side surface of the spring housing allows the ball to be put on, but Due to the very short and steep area, it cannot be called a centering aid. In addition, with this push-button the spring is loosely arranged in the housing, so that the spring cannot slide away at any time in the axial direction towards the center of the die, held in the die when the ball enters.

Aus der US-A-1 386 306 ist ein Druckknopf mit einer in einem Federgehäuse angeordneten S-Feder bekannt, deren innere Schenkel in zwei zueinander parallelen Schlitzen eingesetzt sind. Um die S-Feder gegen Herausfallen zu sichern, wird der äußere Bereich der S-Feder durch die obere Kante der an der Außenseite des Federgehäuses ausgebildeten Bördelkante gehalten. Die Bördelkante verhindert außerdem eine radiale Verschiebung der Feder im Federgehäuse. Bei diesem Druckknopf erfolgt fast keine Vorzentrierung der Kugel durch die radial nach außen in einer Ebene senkrecht zur Druckknopfachse federnden inneren und mittleren Schenkel. Darüber hinaus wird durch die Bördelkante nur ein Herausfallen und eine radiale Verschiebung der S-Feder verhindert, nicht aber ein Wegrutschen der S-Feder in axialer Richtung beim Eintreten der Kugel. Auch kann dieser Druckknopf nicht kreuselfrei mit dem Flächenmaterial verbunden werden.From US-A-1 386 306 a push button with an S-spring arranged in a spring housing is known, the inner legs of which are inserted in two mutually parallel slots. In order to secure the S-spring against falling out, the outer area of the S-spring is held by the upper edge of the flanged edge formed on the outside of the spring housing. The flanged edge also prevents the spring from moving radially in the spring housing. With this push button there is almost no pre-centering of the ball due to the inner and middle legs which spring radially outwards in a plane perpendicular to the push button axis. In addition, the flanged edge only prevents the S-spring from falling out and moving radially, but does not prevent the S-spring from slipping away in the axial direction when the ball enters. This push button cannot be connected to the surface material without crumbling.

Davon ausgehend liegt der Erfindung die Aufgabe zugrunde, einen Druckknopf mit einer Feder zu schaffen, der eine Zentrierung der Kugel in der Öse ermöglicht sowie kräuselfrei mit dem Flächenmaterial verbunden werden kann.Proceeding from this, the object of the invention is to create a push button with a spring which enables the ball to be centered in the eyelet and can be connected to the surface material without ruffling.

Als technische Lösung dieser Aufgabe wird ein gattungsgemäßer Druckknopf vorgeschlagen, bei dem auf der Innenseite der Öse an dem Federgehäuse ein Zentrierkonus angeformt und der mittlere Schenkel der Feder in dem Federgehäuse in axialer Richtung auf den Zentrierkonus hin angeordnet ist sowie das Federgehäuse auf der Außenseite eine Sicke aufweist und die Feder in Richtung auf die Kugel bombiert ist.As a technical solution to this problem, a generic push button is proposed, in which a centering cone is formed on the inside of the eyelet on the spring housing and the middle leg of the spring is arranged in the spring housing in the axial direction towards the centering cone and the spring housing on the outside has a bead has and the spring is cambered towards the ball.

Die Sicke auf der Außenseite des Federgehäuses legt die Feder im Federgehäuse fest, so daß ein Wegrutschen der Feder vermieden werden kann, wenn die Feder durch die eintretende Kugel auseinander gedrückt wird. Dieser Halt der Feder im Federgehäuse wird durch die bombierte, d.h. in gewölbter Form ausgestaltete Feder noch verstärkt.The bead on the outside of the spring housing fixes the spring in the spring housing, so that the spring can be prevented from slipping when the spring is pressed apart by the incoming ball. This hold of the spring in the spring housing is ensured by the convex, i.e. The spring, which is designed in a curved shape, is reinforced.

An der Kugel kann zwischen Schnappbereich und Kugelflansch ein Zentrierkegel angeformt sein, der einerseits als Anlagefläche für den Zentrierkonus dient und andererseits den Verformungsdruck bei der Kugelherstellung auffangen soll.A centering cone can be formed on the ball between the snap area and the ball flange, which is used on the one hand as a contact surface for the centering cone and on the other hand to absorb the deformation pressure during ball production.

Um Nietschaft und Kugel ohne Kräuselung des Flächenmaterials verbinden zu können, kann die Kugel offen sein, wobei der Nietschaft in der als Nietloch dienenden Öffnung vernietet werden kann. Bei dieser Ausführungsform wird zur Befestigung an dem Flächenmaterial der Nietschaft auf das Flächenmaterial aufgesetzt und von der Gegenseite durch das Nietloch ein Unterwerkzeug entgegengehalten und das Flächenmaterial an der Durchtrittsstelle ausgestanzt, so daß keine Kräuselung des Flächenmaterials auftreten kann. Der Nietflansch wird anschließend in bekannter Weise am Nietloch angebördelt.In order to be able to connect the rivet shaft and the ball without crimping the surface material, the ball can be open, wherein the rivet shaft can be riveted in the opening serving as the rivet hole. In this embodiment, for fastening to the surface material of the rivet shaft, a surface is placed on the surface material and a lower tool is held against the opposite side through the rivet hole and the surface material is punched out at the passage point, so that no crimping of the surface material can occur. The rivet flange is then flanged to the rivet hole in a known manner.

Ein erfindungsgemäß ausgebildeter Druckknopf hat den Vorteil einer Zentrierung der Kugel in der Öse und zudem einer kräuselfreien Verbindung mit dem Flächenmaterial.A push button designed according to the invention has the advantage of centering the ball in the eyelet and also of a crimp-free connection to the surface material.

Weitere Einzelheiten und Vorteile ergeben sich aus der nachfolgenden Beschreibung der zugehörigen Zeichnungen, in denen eine bevorzugte Ausführungsform eines erfindungsgemäß ausgebildeten Druckknopfes dargestellt ist. In den Zeichnungen zeigen:

Fig. 1
eine Öse in Ansicht von unten;
Fig. 2
dieselbe Öse entlang der Linie II-II in Fig. 1 geschnitten;
Fig. 3
eine Kugel entlang der Linie III-III in Fig. 4 geschnitten;
Fig. 4
dieselbe Kugel in Draufsicht;
Fig. 5
eine Öse und eine Kugel im vernieteten und verrasteten Zustand im Längsschnitt.
Further details and advantages result from the following description of the associated drawings, in which a preferred embodiment of a push button designed according to the invention is shown. The drawings show:
Fig. 1
an eyelet in bottom view;
Fig. 2
the same eyelet cut along the line II-II in Fig. 1;
Fig. 3
a ball cut along the line III-III in Fig. 4;
Fig. 4
the same ball in top view;
Fig. 5
an eyelet and a ball in the riveted and locked state in longitudinal section.

In den Fig. 1 bis 4 sind eine Öse 1 und eine Kugel 2 vor der Montage dargestellt. In der Öse 1 ist als Federelement eine S-Feder 3 so angeordnet, daß die inneren Schenkel der S-Feder 3 in die beiden parallel zueinander angeordneten Schlitze 4 im Innenteil der Öse 1 eingreifen. Die S-Feder 3 ist in ein Federgehäuse 5 eingesetzt, welches auf der Außenseite eine Sicke 6 aufweist, die der Festlegung der S-Feder 3 im Federgehäuse 5 dient. Auf der Innenseite der Öse 1 ist an dem Federgehäuse 5 ein Zentrierkonus 7 angeformt. Durch die Verlegung der Federebene der S-Feder 3 in axialer Richtung auf die Mitte der Öse 1 hin ändert sich die Bauhöhe der Öse 1 gegenüber Ösen ohne Zentrierkonus 7 nicht.1 to 4, an eyelet 1 and a ball 2 are shown before assembly. In the eyelet 1, an S-spring 3 is arranged as a spring element so that the inner legs of the S-spring 3 engage in the two slots 4 arranged parallel to one another in the inner part of the eyelet 1. The S-spring 3 is inserted into a spring housing 5, which has a bead 6 on the outside, which serves to fix the S-spring 3 in the spring housing 5. A centering cone 7 is formed on the inside of the eyelet 1 on the spring housing 5. By moving the spring level of the S-spring 3 in the axial direction to the center of the eyelet 1 the overall height of the eyelet 1 does not change compared to eyelets without a centering cone 7.

Wie aus Fig. 5 ersichtlich, wird zur Verbindung mit dem Flächenmaterial 8 ein Nietschaft 9 durch ein Nietloch 10 gesteckt und in der Öse 1 angebördelt. Der Nietschaft 9 stanzt dabei das Flächenmaterial 8 aus, so daß sich dieses an den Rändern nicht kräuseln kann. An den Nietschaft 9 ist einstückig ein Nietflansch 11 angeformt, welcher in den umgebördelten Rändern einer Kappe 12 festgelegt ist.As can be seen from FIG. 5, a rivet shaft 9 is inserted through a rivet hole 10 and connected in the eyelet 1 for connection to the surface material 8. The rivet shank 9 punches out the sheet material 8 so that it cannot curl at the edges. A rivet flange 11 is integrally formed on the rivet shaft 9 and is fixed in the flanged edges of a cap 12.

Die mit der Öse 1 korrespondierende Kugel 2 weist zwischen einem Kugelflansch 13 und einem Schnappbereich 14 einen Zentrierkegel 15 auf.The ball 2 corresponding to the eyelet 1 has a centering cone 15 between a ball flange 13 and a snap area 14.

Die Kugel 2 wird in gleicher Weise wie die Öse 1 mittels eines Nietschaftes 16 mit angeformtem Nietflansch 17 mit dem Flächenmaterial 8 verbunden. Hierbei stanzt wiederum der Nietschaft 16 das Flächenmaterial 8 an der Durchdringungsstelle aus und wird anschließend im Nietloch 18 angebördelt.The ball 2 is connected to the surface material 8 in the same way as the eyelet 1 by means of a rivet shaft 16 with a molded rivet flange 17. Here again the rivet shaft 16 punches out the sheet material 8 at the penetration point and is then flanged in the rivet hole 18.

BezugszeichenlisteReference list

11
Öseeyelet
22nd
KugelBullet
33rd
S-FederS-spring
44th
Schlitzslot
55
FedergehäuseSpring housing
66
SickeSurround
77
ZentrierkonusCentering cone
88th
FlächenmaterialSurface material
99
NietschaftRiveting
1010th
NietlochRivet hole
1111
NietflanschRivet flange
1212th
Kappecap
1313
KugelflanschBall flange
1414
SchnappbereichSnap area
1515
ZentrierkegelCentering cone
1616
NietschaftRiveting
1717th
NietflanschRivet flange
1818th
NietlochRivet hole

Claims (3)

  1. Press fastener for flat material consisting of a top part and a bottom part which can be fastened to the flat material (8) to be connected and which are snap-connected to each other, wherein the top part and the bottom part in each case consist of a rivet shaft (9, 16) forming a rivet flange (11, 17) as well as a snap-in part, consisting of a sphere (2) or a ring (1), on the other side of the flat material (8), in which the rivet shaft (9, 16) is riveted to the flat material (8) and in a spring housing (5) in the bottom part of the ring (1) there is arranged a spring (3) as the spring element whose inner legs are resiliently inserted in two slots (4) arranged parallel to each other inside the bottom part of the ring (1), characterised in that on the inside of the ring (1) the spring housing (5) is shaped as a centring cone (7) and the centre leg of the spring (3) is arranged in the spring housing (5) offset in axial direction towards the centre cone (7), that the outside of the spring housing (5) has a bead (6) and that the spring (3) bulges in the direction of the sphere (2).
  2. Press fastner according to claim 1, characterised in that between snap-in region (14) and spherical flange (13) the sphere (2) is shaped as a centring cone (15).
  3. Press fastener according to claim 1, characterised in that the sphere (2) is open and the rivet shaft (16) is riveted in a rivet hole (18).
EP92118328A 1991-11-14 1992-10-27 Snap button Expired - Lifetime EP0542029B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4137418 1991-11-14
DE4137418A DE4137418C2 (en) 1991-11-14 1991-11-14 Push button

Publications (2)

Publication Number Publication Date
EP0542029A1 EP0542029A1 (en) 1993-05-19
EP0542029B1 true EP0542029B1 (en) 1995-08-23

Family

ID=6444770

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92118328A Expired - Lifetime EP0542029B1 (en) 1991-11-14 1992-10-27 Snap button

Country Status (3)

Country Link
EP (1) EP0542029B1 (en)
AT (1) ATE126679T1 (en)
DE (2) DE4137418C2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5132490B2 (en) * 2008-09-04 2013-01-30 Ｙｋｋ株式会社 Male snap

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1386306A (en) * 1919-05-08 1921-08-02 Baum Charles Snap-fastener
US1387114A (en) * 1920-01-16 1921-08-09 Carr Fastener Co Ltd Fastener
FR1062583A (en) * 1952-06-06 1954-04-26 Scovill Manufactring Co One-way snap button enhancements
GB724609A (en) * 1952-06-14 1955-02-23 United Carr Fastener Corp Improvements in and relating to snap fastener members of the stud and socket type
US2861317A (en) * 1955-09-29 1958-11-25 Rau Fastener Company Ornamental snap fastener assembly
JPS5325604Y2 (en) * 1974-05-21 1978-06-30
FR2518377A1 (en) * 1981-12-18 1983-06-24 Sonofam Press fastener with ball pushed into case - has ring with teeth that separate elastically and hold ball
DE3514896A1 (en) * 1985-04-25 1986-11-06 William Prym-Werke GmbH & Co KG, 5190 Stolberg PUSH BUTTON CONNECTION
DE8915362U1 (en) * 1989-06-06 1990-04-26 William Prym-Werke GmbH & Co KG, 5190 Stolberg Snap fastener connection

Also Published As

Publication number Publication date
DE4137418A1 (en) 1993-05-19
DE4137418C2 (en) 1995-07-06
DE59203375D1 (en) 1995-09-28
EP0542029A1 (en) 1993-05-19
ATE126679T1 (en) 1995-09-15

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