DE183107C

DE183107C -

Info

Publication number: DE183107C
Application number: DENDAT183107D
Authority: DE

Description

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KAISERLICHESIMPERIAL

PATENTAMT.PATENT OFFICE.

Umsetzbare runde Gummiabsätze mit zentrischer Schraubenbefestigung und im Absatz i eingebauter Versteifungsplatte sind bereits be- · kannt. Das Neue der Erfindung besteht nun j darin, daß der Absatz nur mit einer äußeren Ringfläche auf der Unterfläche des Hackenteils des Stiefels anliegt, im übrigen aber j Spielraum zwecks Federung gegen dieselbe besitzt. Dabei kann die Versteifungsplatte ;Reversible round rubber heels with central screw fastening and in the paragraph i built-in stiffening plate are already known. The novelty of the invention is now j in that the heel rests only with an outer annular surface on the lower surface of the heel part of the boot, but otherwise j Has clearance for the purpose of suspension against the same. The stiffening plate can;

ίο glockenförmig oder glockensternförmig sein ! oder aus einem Armstern und einem von \ diesem getrennten Ringe bestehen. Auch können am Absatz statt einer breiten, ringförmigen Auflagefläche deren mehrere ange- iίο be bell-shaped or bell-star shaped! or a Armstern and consist this separate rings of \. Also, instead of a wide, ring-shaped contact surface, several attached i

ordnet sein. Der Hackenteil kann entspre- I chend bemessene Ringrippen besitzen, so ι daß die Ringrippen beider Teile ineinander greifen.be in order. The hook part can have correspondingly sized ring ribs, so ι that the annular ribs of both parts interlock.

Auf der Zeichnung ist der Absatz in mehreren Ausführungsbeispielen dargestellt. Fig. ι ist ein senkrechter Schnitt durch einen solchen Absatz und Fig. 2 ein . zu dieser Ausführungsform passender wagerechter Schnitt. Die Fig. 3 bis 6 sind senkrechte Schnitte durch vier verschiedene andere Ausführungsformen des Absatzes.In the drawing, the paragraph is shown in several embodiments. Fig. Ι is a vertical section through such a paragraph and FIG. to this Embodiment suitable horizontal cut. Figures 3 to 6 are vertical Sections through four different other embodiments of the paragraph.

Der Absatz α ist in bekannter Weise von kreisförmigem Querschnitt und in sein Inneres ist eine Metallscheibe b eingebettet, die ihn versteift und für die zentrische Befestigungsscheibe das nötige Widerlager bildet. Der Absatz wird mit dem Fersenteil des Stiefels durch eine zentrisch angeordnete Schraube c lösbar verbunden und kann nach teilweisem Lösen dieser Schraube, wenn er einseitig abgenutzt ist, um ein entsprechendes Stück gedreht werden, so daß er aufs neue benutzt werden kann, bis sich sein ganzer Umfang bezw. seine ganze Unterfläche gleichmäßig abgenutzt hat und er überhaupt unbrauchbar geworden ist.The paragraph α is in a known manner of circular cross-section and a metal disk b is embedded in its interior, which stiffens it and forms the necessary abutment for the central fastening disk. The heel is releasably connected to the heel part of the boot by a centrally arranged screw c and, after partial loosening of this screw, when it is worn on one side, can be rotated around a corresponding piece so that it can be used again until its whole Scope respectively its entire lower surface has worn evenly and it has become unusable at all.

Während nun die bekannten derartigen Absätze den Ubelstand haben, daß durch die zentrische Befestigung keine genügende Reibung des drehbaren Gummiabsatzes mit seiner Auflagefläche am Stiefel erzeugt wird, ist eine solche Befestigung bei der vorliegenden Erfindung dadurch erreicht, daß er nur an den Rändern mit dem Stiefel in Berührung kommt und mit diesem seinem äußeren Umfang durch die zentrische Schraube angegreßt wird. Im übrigen liegt der Absatz frei, d. h. er berührt den Stiefel selbst nicht.While the well-known such paragraphs have the disadvantage that by the centric attachment no sufficient friction of the rotatable rubber heel with his Support surface is generated on the boot, such a fastening is in the present case Invention achieved in that he only at the edges with the boot in contact comes and with this its outer circumference by the central screw will. Otherwise the paragraph is free, i. H. he does not touch the boot itself.

Zu diesem Zweck ist, wie aus Fig. 1 hervorgeht, die am Stiefel befestigte Metallunterlage d, welche mit ihrem nach unten stehenden Rande e den Umfang des Gummiabsatzes α umfaßt und sichert, in der Mitte nach oben gewölbt, bildet also nach unten eine Höhlung /. Die Mutter g, in welche die Schraube c eintritt, ist in der Unterlage d gegen Drehbarkeit gesichert, beispielsweise durch ein Vierkant h. Der Schraubenkopf liegt auf der Scheibe b auf, welche zu diesem Zweck in der Mitte eine entsprechende kegelförmige Gestaltung erhält. Die Platte b be-For this purpose, as can be seen from Fig. 1, the metal base d, which is attached to the boot and which, with its downward-facing edge e, encompasses and secures the circumference of the rubber heel α , is arched upwards in the middle, thus forming a cavity downwards / . The nut g, into which the screw c enters, is secured against rotation in the base d , for example by a square h. The screw head rests on the disk b , which for this purpose is given a corresponding conical shape in the middle. The plate b

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Claims

There is now a certain spring force, which can be increased by openings arranged in a known manner. As a result, even when the screw is tightened, the rubber heel can bend in the middle under the load on the human body. All the pressure exerted by the screw creates friction between the outer periphery of the rubber heel and the outer periphery of the washer plate d, so that unwanted turning of the heel during use is excluded, even though it has an extraordinary elasticity due to its mounting . The openings in the disc b result in an extremely secure connection between the plate and the rubber part, so that a loosening of both, d. H. a destruction of the paragraph is excluded. The embodiment of FIG. 3 shows not only a central hollow of the plate d, but also one of the rubber heel at i, which makes it possible to hold the boot sole weaker over the heel. To achieve greater elasticity, the plate b is made of two parts, in such a way that the star arms form one piece with the central hub part and the outer rim a second piece b1, against which the ends of the arms lie from below, so that the effect of the whole is the same as the plate b in Fig. 2. The division is made for the purpose to bezw the elasticity of the arms. to increase the whole plate. At the same time it can also be seen from this figure that the plate b is not generally flat, but rather curved, in accordance with the cavity of the upper surface of the shoulder. In this embodiment, too, the screw and nut are interchanged; H. the screw c is stored in the plate d, while the nut g is housed in the shoulder. The embodiment of FIG. 4 shows a modification in that the rubber body α has a device which is capable of significantly increasing the elasticity. It no longer rests, as in the above-described embodiments, with a wide edge surface on the plate d, but with two narrow annular ribs α1, α'2, which have so much elasticity in themselves that they result in significant resilience. In this embodiment there is also the peculiarity that the screw c arranged in the support plate d is not non-rotatably connected to it. Rather, the nut g is secured against rotation in the rubber heel by being connected to the star plate b by lugs k. The downwardly directed end of the screw is slotted so that it can be screwed into the nut from below with the aid of a screwdriver. The figure also shows that the star disc can also have other openings, for example at I, and that it can also assume any shape in its cross-section, as it corresponds to the respective needs. The embodiment of FIG. 5 shows a particularly elastic mounting of the shoulder, namely by means of a special spring m connected in a known manner between the shoulder and the plate d, which can also be either bell-shaped or bell-star-shaped. She rests in the middle on the plate d and her arms respectively. its edge presses against the outer edge of the rubber heel, for which purpose an annular plate η protecting it can be embedded in this at the point of contact. The rubber heel itself has a raised outer edge 0, which lies directly against the plate d when the spring is compressed. In the embodiment of FIG. 6, as in that of FIG. 5, a special spring, namely a helical spring ρ, is switched on between the lower plate d and the rubber heel a. To secure the spring against the ingress of water or against the ingress of dirt, the plate d has a double edge, namely, in addition to the outer e, an inner q which enters a corresponding groove r of the rubber heel. Here, as in the embodiment of FIG. 5, the disk b is perforated several times for a better connection of the rubber with the metal of the disk. Godparents τ-Α ν Proverbs:

1. Reversible round rubber heel with central screw attachment and stiffening plate embedded in it, characterized in that it only has an outer annular surface on the lower surface of the heel part of the boot rests, but otherwise has leeway for the purpose of suspension against the same to which Purpose either the undersurface of the heel part or the surface of the heel or both are hollowed out.

2. Rubber heel according to claim 1, characterized in that the lower surface of the paragraph is slightly spherical.

3. Rubber heel according to claim 1 and 2, characterized in that the in the

Rubber embedded stiffening plate bell-shaped or bell-star-shaped is designed to increase the spring force.

4. rubber heel according to claim 1 to 3, characterized in that the in the Rubber embedded stiffening plate consists of an arm star and a ring separated from this, against which apply the star arms from below.

5. rubber heel according to claim 1 to 4, characterized in that the rubber. paragraph instead of a wide, ring-shaped bearing surface which has two (a ¹ , a ² , Fig. 4.) or more, which are formed by just as many annular ribs, in order to increase the elasticity (Fig. 4).

6. Rubber heel according to claim 1 to 5, characterized in that interlocking annular ribs (e, q, r) are attached to prevent the penetration of water and dirt into the space between heel and heel part on the heel part and on the rubber heel (e, q, r) (Fig. 6 ).

1 sheet of drawings.