DE2208517A1 - Buttoning device - Google Patents

Description

Sigurd Walter Bengtsson, Sweden, Gothenburg, Bruksgatan 17

Button device,

The invention relates to a Knöpfvorrichtung for releasably connecting two parts made of fabric, leather, plastic or other flexible material to each other in form of a stud the foot of which a holder with a T _e is to be connected il and whose head detachably via a further holder with the other part is connectable.

The invention is based on the object of a buttoning device to create whose connection with one of the parts to be connected can be more permanent than with the other Part.

This object is achieved according to the invention by means of a buttoning device of the aforementioned G-attung in such a way that the pin made of elastic plastic with a flange-like foot is designed with a larger diameter than its head and has an annular shoulder of etifa head diameter and at least one between foot and head axial, extending over the pin diameter, open at the pin head, which extends at least over part of the length of the pin neck part located between the ring shoulder and foot, which, like the pin neck part between the ring hole shoulder and head, has an annular groove extending around the pin has, of which the 'tenon foot adjacent to receive a to be pushed over the pin head and the annular shoulder, in or on one of the fabric parts to be connected or the like. seated Ringraügos vmü ule «? .r-.aerf> to receive a $ && or iii the other fabric part or the like" seated "3 ring eye

209837/0120

The invention allows the use of ring eyes of the same size or those with the same size inside diameter, with a larger one Exertion of force to Löaen dee the ring eye adjacent to the foot from the pin than is required for loosening the ring eye adjacent to the head.

In the drawing, an exemplary embodiment of the invention is shown «
Show it:

Fig.l is a side view of the pin next to the two dotted ring eyes and arranged thereon

Fig. 2 is a plan view of Fig.l.

The illustrated pin A is in one piece and consists of elastic plastic. It essentially has the shape of a body of revolution with a head Io and a flange-like foot 18 *. Between these two parts there is an annular shoulder 14 from the top 11 of the head Io to approximately Foot 18 'extends an axial longitudinal slot 25 which is open at the top of the head Io at 26 and extends over the entire pin diameter. Its inner boundary surfaces 28 converge after the slot end 27, but can also run parallel.

There is one between the head Io and the ring shoulder 14 around the pin A running annular groove 13 of smaller ale the head and the annular shoulder diameter.

Between the ring shoulder 14 and the foot 18 'there is one further annular groove 17, the diameter of which is smaller than that of the annular shoulder 14 and the deaf foot is 18 *.

The annular groove 13 goes into the head Io with a concave curve 12 and with a concave curve 12 ′ into the ring shoulder 14. The annular groove 17 goes into the annular shoulder with a concave curve 14 ' 14 and with a kankave curve 17 'over into the foot. Both annular grooves 13 »17 advantageously have the same diameter. Likewise, the head Io and the 'i'eil, referred to as the annular shoulder 14, advantageously have the same diameter, while the foot diameter is larger, as Fig.l shows. In such a Training requires much less force to do that Ki ί ^ &. ,, ί O on and off as the ring eye B, both of which are rigid

203837/0120

BATH ORIGINAL

are, the ring eye B sits more firmly on the pin or ipt considerably More difficult to pull off than the ring eye G, which is relatively easily pushed over the head Io when buttoning and loosening it can throw.

At the side edges of the surfaces 28 of the slot 25 are at the level of the head Io and the annular shoulder 14 recesses 29,3o, which reduce the tenon diameter a little at these points and by the resilience imparted to the pin as a result of the slot 25, the ring eyes can be pushed over and removed again B, G, those to be connected to each other by the pin A on the two Sitting sharing, relieved.

Instead of one slot 25, two or more intersecting slots can also be used Slots are provided.

Claims (3)

Claims. ) Knöpfvor direction for the detachable connection of two parts made of fabric, Leather, plastic or other flexible material with each other in the form of a pin, the foot of which has a bracket with the one Part eu is connected and the head of which is releasably connectable to the other part via a further bracket, characterized in that that the pin (A) made of elastic plastic with a flange-like »foot (18 ') larger diameter than that of its head (Io) is executed and between foot (18 ') and head (lo) a ring shoulder (14) of about the head diameter and at least one axial, extending over the head diameter, on the pin head open longitudinal slot (25) is provided, which is at least over part of the length de »between the ring shoulder (14) and foot (l8 ') located tenon neck part is enough, just like the tenon neck part between ring shoulder (14) and head (lo), one around the Pin (A) extending annular groove (13,17), of which the Spigot foot (18 ') adjacent to receive one over the spigot head (lo) and the annular shoulder (14) to be pushed, in or on one of the Pieces of fabric that are to be connected to one another or the like with a ring eye (B) and the other to receive one over the tenon head (Io) 209837/0120 The ring eye (C) is used to push, on or in the other fabric part or the like. 2.) buttoning device according to Anspruoh 1, characterized in that the 2 pin (A) is mainly a body of revolution and the two side surfaces (28) of the axial slot (25) oppose the open end (26) its closed end (27) converge. 3.) buttoning device according to claims 1 and 2, characterized in that the transition surfaces (l2 ^f , 14 ') of the annular grooves (l3 # 17) eur annular shoulder (14) are concave and arcuate. 4.) buttoning device according to claim 1 to 3, characterized in that the side edges of the sole seat at the level of the head (Io) and the annular shoulder (14) have flat "recesses (29,3o). 5 ·) buttoning device according to claim 1 to 4, characterized in that both ring eyes (B, C) have the same inner diameter and are designed in the same way « 209837/0120