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DE1770597U - SPRING COLLET. - Google Patents

SPRING COLLET.

Info

Publication number
DE1770597U
DE1770597U DEK23177U DEK0023177U DE1770597U DE 1770597 U DE1770597 U DE 1770597U DE K23177 U DEK23177 U DE K23177U DE K0023177 U DEK0023177 U DE K0023177U DE 1770597 U DE1770597 U DE 1770597U
Authority
DE
Germany
Prior art keywords
spring
hook
leg
pliers
spring collet
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
Application number
DEK23177U
Other languages
German (de)
Inventor
Ludwig Klehr
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DEK23177U priority Critical patent/DE1770597U/en
Publication of DE1770597U publication Critical patent/DE1770597U/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/14Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
    • B25B27/20Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same inserting or withdrawing split pins or circlips
    • B25B27/205Pliers or tweezer type tools with tow actuated jaws
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B7/00Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
    • B25B7/02Jaws

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)

Description

Feder-Spannzangen dienen zum Spannen von Zugfedern und zum Ein- bezw. Aushängen von deren Ösen in Nasen oder Bohrungen. Spring collets are used to tension tension springs and to respectively Unhooking their eyelets in noses or holes.

Ein jedem bekanntes Beispiel für deren Anwendung ist die Montage der Zugfedern an Kraftfahrzeug-Bremsbacken.A well-known example of their application is the assembly of the Extension springs on motor vehicle brake shoes.

Bei den bisher bekannten Zangen dieser Art endete der eine Schenkel in einer Spitze, welche das Gegenlager bildete, während der andere Schenkel in einen Haken auslief, welcher in die Öse der Zugfeder eingriff. Dieser Haken-der meist einen runden oder ovalen Querschnitt hatte-war so gebogen, dass er zunächst nach aussen verlaufend einen halben Kreisbogen beschrieb und nach vorne in einer Spitze endete. Die Folgen dieser Form waren zwei grundlegende Fehler. Einmal war dieser Haken zu dick, so dass es Schwierigkeiten bereitete, bei eingehängten Federn damit zwischen den Federschaft und den Bremsbackensteg zu kommen, und zum anderen liess sich die Zange durch den nach aussen gebogenen Haken nicht genügend schliessen. Befand sich die Bohrung, in welche die Feder eingehängt werden sollte, nahe am Flansch des Bremsbackens, so lag der Hakenschenkel der Spannzange schon an, bevor die Feder noch genügend gespannt war, als dass ihre Öse hätte in diese Bohrung hinein rutschen können. Man war dann gezwungen mit einem Schraubenzieher oder dgl. nachzu- helfen, was oft zu Ärger Anlass gab und viel Zeitverlust mit sich brachte. Auch die Gestaltung des anderen Schenkels mit nur einer Spitze war mangelhaft, da diese dem Haken gegenüber, jenachdem ob die Zange im Gelenk auf weit oder eng eingestellt war, entweder zu hoch oder zu tief stand. Ausserdem musste man je nach der Stellung der Feder zum Backensteg bezw. Flansch mehrere Male nachfassen, d. h. die Spitze neu ansetzen.In the previously known pliers of this type, one leg ended in a tip which formed the counter-bearing, while the other leg ended in a hook which engaged in the eye of the tension spring. This hook - which usually had a round or oval cross section - was curved in such a way that it initially described half a circular arc running outwards and ended in a point towards the front. The consequences of this form were two fundamental failures. On the one hand, this hook was too thick, so that it was difficult to get between the spring shaft and the brake shoe web when the springs were attached, and on the other hand, the pliers could not be closed sufficiently by the hook that was bent outwards. If the hole in which the spring was to be hung was close to the flange of the brake shoe, the hook leg of the collet was already in contact before the spring was tensioned enough for its eye to slip into this hole. You were then forced to use a screwdriver or the like. help, which often gave rise to anger and lost a lot of time. The design of the other leg with only one point was also inadequate, as it was either too high or too deep opposite the hook, depending on whether the pliers in the joint were set to wide or narrow. In addition, depending on the position of the spring to the jaw bridge, you had to bezw. Touch up the flange several times, ie reattach the tip.

Alle diese Mängel werden von der erfindungsgemässen Spannzange vermieden, welche in beiliegender Zeichnung an einem Ausführungsbeispiel erläutert ist.All these defects are avoided by the collet according to the invention, which is explained in the accompanying drawing using an exemplary embodiment.

Fig. 1 und 2 zeigen eine Vorderansicht und Seitenansicht der Zange. Fig. 3 zeigt ein Schnittbild des Schenkels, in den die Federöse eingehängt wird, und Fig. 4 demonstriert die Anwendung der Spannzange an dem bereits erwähnten Beispiel eines Bremsbackens.Figures 1 and 2 show a front view and side view of the pliers. Fig. 3 shows a sectional view of the leg into which the spring eyelet is hung, and FIG. 4 demonstrates the use of the collet on the example already mentioned a brake shoe.

Pos. 1 ist der Hakenschenkel der Zange, in welchen die Federöse eingehängt wird. Wie aus der Zeichnung ersichtlich, ist der Haken 2 ein Teil des Schenkels, welcher rechtwinklig abgebogen ist. Der Haken ist infolgedessen trotz geringster Dicke sehr stabil. An seiner vorderen Flanke hat er eine halbruntörmige Kerbe 3, welche das seitliche Abrutschen der Federöse verhindert. Der gegenüber- stehende Schenkel 4 läuft in zwei Spitzen 5 und 6 aus. Pos. 1 is the hook shank of the pliers into which the spring eye is hooked. As can be seen from the drawing, the hook 2 is part of the leg which is bent at right angles. As a result, the hook is very stable despite its minimal thickness. On its front flank it has a semicircular notch 3, which prevents the spring eyelet from slipping off to the side. The opposite standing leg 4 ends in two points 5 and 6.

Pos. 7 ist das verstellbare Gelenk der Zange, während Pos. 8 und 9 die beiden Handgriffe sind.Pos. 7 is the adjustable joint of the pliers, while Pos. 8 and 9 the two handles are.

In Fig. 4 ist Pos. lo die zu spannende Feder mit ihrer Öse 11.In Fig. 4 pos. Lo is the spring to be tensioned with its eyelet 11.

Pos. 12 der Steg und Pos. 13 der Flansch des Bremsbackens.Item 12 is the web and item 13 is the flange of the brake shoe.

Pos. 14 ist die Bohrung des Steges, in welche die Feder eingehängt werden soll. Wie aus diesem Bild ersichtlich, ist praktisch nur immer eine Spitze im Eingriff.Pos. 14 is the hole in the bar into which the spring is suspended shall be. As can be seen from this picture, there is practically always only one point in engagement.

Es ist daher möglich unter Hin-und Herschwenken der Zange von einer Spitze auf die andere umzuwechseln und dabei ein seitliches Wandern der Zange zu erreichen.It is therefore possible to swing the pliers back and forth from one To switch the tip to the other and to move the forceps sideways reach.

Claims (1)

Patentanspruch : 1.) Federspannzange mit oder ohne Verstellgelenk, dadurch gekennzeichnet, dass der Haken zum Einhängen der Federöse von einem rechtwinklig zu diesem abgewinkelten Teil des flachen Zangenschenkels gebildet wird, wobei an seiner vorderen Flanke eine Kerbe angebracht ist, die das Abrutschen der Federöse verhindert, und dass der Gegenschenkel in zwei übereinanderstehende Spitzen ausläuft.Claim: 1.) Spring collet with or without an adjustable joint, characterized in that the hook for hanging the spring eyelet from a right angle to this angled part of the flat pliers leg is formed, with on its front flank has a notch that prevents the spring eyelet from slipping off prevents, and that the opposing leg ends in two superimposed points.
DEK23177U 1956-07-19 1956-07-19 SPRING COLLET. Expired DE1770597U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEK23177U DE1770597U (en) 1956-07-19 1956-07-19 SPRING COLLET.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK23177U DE1770597U (en) 1956-07-19 1956-07-19 SPRING COLLET.

Publications (1)

Publication Number Publication Date
DE1770597U true DE1770597U (en) 1958-07-17

Family

ID=32835743

Family Applications (1)

Application Number Title Priority Date Filing Date
DEK23177U Expired DE1770597U (en) 1956-07-19 1956-07-19 SPRING COLLET.

Country Status (1)

Country Link
DE (1) DE1770597U (en)

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