CH265599A - Spoke wrench. - Google Patents
Spoke wrench.Info
- Publication number
- CH265599A CH265599A CH265599DA CH265599A CH 265599 A CH265599 A CH 265599A CH 265599D A CH265599D A CH 265599DA CH 265599 A CH265599 A CH 265599A
- Authority
- CH
- Switzerland
- Prior art keywords
- spoke
- wrench
- balls
- spoke wrench
- key
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B13/00—Spanners; Wrenches
- B25B13/48—Spanners; Wrenches for special purposes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/0071—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for bicycles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Description
Speichenschlüssel. Gegenstand vorliegender Erfindung iss ein Speichenschlüssel, dadurch gekennzeichnet, dass er einen länglichen Körper aufweist, in dessen Längsrichtung eine Bohrung verläuft, die an mindestens einem ihrer Enden in einem Innenvierkant endet und in die ein Längs schlitz einmündet, und ferner, dass er ein Paar in Querrichtung zum. genannten Körper ver schiebbar gelagerte, unter Federdruck anein- anderliegende Kugeln aufweist, die bezwecken, bei aufgesetztem Speichenschlüssel dessen selbsttätiges Festklemmen an der Speiche zu bewerkstelligen, derart, dass er relativ zur Speiche verdreht werden kann.
Beiliegende Zeichnung stellt ein Ausfüh rungsbeispiel des Erfindungsgegenstandes dar. Fig.l ist eine Seitenansicht, teilweise im Schnitt längs der Linie 1--I der Fig.2, die eine Draufsicht des Ausfüh rungsbeispiels zeigt.
Mit 1 ist ein länglicher Schlüsselkörper be zeichnet, der eine Längsbohrung 2 aufweist, anderen Enden Innenvierkante 3 verschiedener Grösse vorgesehen sind, und einen in die Boh rung mündenden Längsschlitz 4 aufweist. Auf' halber Länge des Körpers 1 sind zwei rohr- förmige Griffarme 5 diametral gegenüberlie gend eingeschraubt, deren Achsen in einer Ebene liegen, die zur Ebene durch die Längs achse des Schlüsselkörpers 1 und seinen Schlitz 4 senkrecht steht.
Zwei in diesen Gxriffarmen 5 in Querrichtung zum Körper 1 verschiebbar gelagerte Kugeln 6 werden durch zwei je in einem dieser Griffarme untergebrachte und sich auf Gewindezapfen 7 abstützende Schrau benfedern 8 gegeneinandergedrückt, so dass sie aneinanderliegen.
Der beschriebene Speichenschlüssel arbeitet wie folgt: Bei der Verschiebung der den zu verdre henden Nippel tragenden Speiche in radialer Richtung des Drehkörpers 1, durch den Schlitz -1, zwecks Aufsetzens des Speichenschlüssels, drückt die Speiche die Kugeln 6 entgegen der Kraft der Federn 8 auseinander und geht zwi schen ihnen hindurch. Nachher, bei der Ver schiebung des Schlüssels längs der Speiche, beim Aufsetzen des einen Innenvierkantes 3 auf den Nippel und bei dessen Verdrehen mit tels des Schlüssels, bewerkstelligen die Kugeln 6 unter dem Druck der Federn 8 das selbst tätige Festklemmen des Speichenschlüssels, wobei sie aber ein Verdrehen des Schlüssels relativ zur Speiche nicht verhindern.
Ferner begünstigen die Kugeln durch ihre Form das leichte Ein- und Ausfahren beim Ansetzen und Wegnehmen des Speichenschlüssels.
Spoke wrench. The subject of the present invention iss a spoke wrench, characterized in that it has an elongated body, in the longitudinal direction of which runs a bore which ends at at least one of its ends in an internal square and into which a longitudinal slot opens, and further that it has a pair in Cross direction to. said body has displaceably mounted balls lying against one another under spring pressure, the purpose of which is to achieve its automatic clamping to the spoke when the spoke wrench is in place, so that it can be rotated relative to the spoke.
The accompanying drawing shows an exemplary embodiment of the subject matter of the invention. Fig.l is a side view, partly in section along the line 1 - I of FIG. 2, which shows a plan view of the exemplary embodiment.
1 with an elongated key body be characterized, which has a longitudinal bore 2, other ends inner square 3 of different sizes are provided, and a longitudinal slot 4 opening into the Boh tion. Halfway along the length of the body 1, two tubular handle arms 5 are screwed diametrically opposite each other, the axes of which lie in a plane which is perpendicular to the plane through the longitudinal axis of the key body 1 and its slot 4.
Two in these Gxriffarmen 5 in the transverse direction to the body 1 slidably mounted balls 6 are benfedern 8 pressed against each other by two each housed in one of these handle arms and supported on threaded pin 7 screw so that they rest against each other.
The spoke wrench described works as follows: During the displacement of the spoke carrying the nipple to be rotated in the radial direction of the rotating body 1, through the slot -1, for the purpose of placing the spoke wrench, the spoke pushes the balls 6 apart against the force of the springs 8 and go between them. Afterwards, when the key is moved along the spoke, when the one inner square 3 is placed on the nipple and when it is turned with means of the key, the balls 6, under the pressure of the springs 8, manage the self-acting clamping of the spoke key, but they do do not prevent the key from turning relative to the spoke.
The shape of the balls also makes it easy to move in and out when attaching and removing the spoke wrench.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH265599T | 1948-06-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH265599A true CH265599A (en) | 1949-12-15 |
Family
ID=4475787
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH265599D CH265599A (en) | 1948-06-22 | 1948-06-22 | Spoke wrench. |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH265599A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008151899A1 (en) * | 2007-06-11 | 2008-12-18 | Peter Lie | Spoke key for spoked wheels |
-
1948
- 1948-06-22 CH CH265599D patent/CH265599A/en unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008151899A1 (en) * | 2007-06-11 | 2008-12-18 | Peter Lie | Spoke key for spoked wheels |
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