DE648429C

DE648429C - Device for wheels with metal spokes

Info

Publication number: DE648429C
Application number: DER90057D
Authority: DE
Original assignee: KARL ROESENER
Current assignee: KARL ROESENER
Priority date: 1934-03-04
Filing date: 1934-03-04
Publication date: 1937-07-30

Description

Fahrzeuge, wie Fahrräder, Motorräderund zum Teil auch Kraftwagen, haben Metallspeichen, die durch eine Zugspannung dem Rade Festigkeit geben. In der bisher bekannten Weise erfolgte die Befestigung beispielsweise bei Fahrrädern in einem Metallring der Nabe durch Einfädeln des einen Endes der Speiche in ein kreisrundes Loch. Die Speiche saß durch einen runden oder ίο knebeiförmigen Endknopf fest. Hier war sie winklig gebogen. In der Felge erfolgte die Befestigung des anderen Endes durch eine Schraubenmutter mit Kopf, die zur Erzielung der Spannung mit einem länglichen Teil durch die Felge' reichte. Hiermit oder durch, ähnliche Vorrichtungen ließ sich die Speiche spannen. Diese bekannten Befestigungsarten waren besonders mühsam bei' Speichenbruch oder sonstiger Veranlassung zur Erneuerung.Vehicles such as bicycles, motorcycles, and partly also motor vehicles, have metal spokes, which give the bike strength through tensile stress. In the previously known manner, the attachment took place, for example on bicycles in a metal ring of the hub by threading one End of the spoke in a circular hole. The spoke sat by a round or ίο gong-shaped end button tight. Here she was bent at an angle. The other end was attached to the rim by a Screw nut with head, which is used to achieve tension with an elongated part through the rim '. With this or through similar devices the spoke tighten. These known types of attachment were particularly troublesome when the spoke broke or any other reason for renewal.

Schon zur Einfügung einer einzigem Speiche mußte der Mantel und Schlauch nach Luftleermachung abgenommen oder wenigstens bei Seite gezogen werden. Die Einfügung des Kopfes in den Ring an der Kettenradseite des Freilaufes erforderte ein völliges Entfernen dieses Rades. Bei keiner der bisher bekannten Einrichtungen war es möglich, diese Ausbesserung ohne eine .Entfernung des Mantels und Schlauches zu betätigen.To insert a single spoke, the jacket and hose had to be evacuated removed or at least pulled to the side. The insertion of the head into the ring on the sprocket side of the freewheel required complete removal this wheel. In none of the previously known devices was it possible to carry out this repair without removal of the jacket and hose.

Diese Übelstände führten zu der nachstehenden Erfindung. Das wesentliche Kennzeichen der neuen· Einrichtung besteht darin, daß die mit Knebelkopfenden und Spannschraube versehene auszuwechselnde Radspeiche sich durch einen Schlitz in der Felge 35- und Nabe von außen einstecken läßt und durch eine Drehung von 90⁰ mit dem Knebelknopf in eine Nut gelagert wird, so daß ein Abnehmen des Reifens und Luftschlauches sich erübrigt, und die Speiche nach der Zugspannung eine sichere Lage hat.These drawbacks led to the following invention. The essential characteristic of the new · means is that which is provided with gag head ends and clamping screw auszuwechselnde wheel spoke can be through a slot in the rim 35 and hub from the outside plug and is supported by a rotation of 90 ^0, with the toggle button in a groove, so that there is no need to remove the tire and air tube and the spoke is in a secure position after tension.

Nachstehend soll die Erfindung im einzelnen erklärt werden.The present invention will be explained in detail below.

In der Felge und der Nabe ist zur Einfügung der Speiche kein Loch, sondern ein Schlitz in der Längsrichtung, also der Bewegungsrichtung des Rades. Zur sicheren Lage^ des Knebelkopfes wird im rechten Winkel zu dem Schlitz eine kleine Rille, eine Nut, in die Felge oder Nabe gemeißelt, in die der Knebelkopf hineinpaßt. Weil die Öffnung in der Felge mun nicht ganz durch den Kopf der Speiche verdeckt ist, ist es praktisch, wenn der Schlitz durch eine Platte von außen verdeckt wird, die an der der Felge zügekehrten Seite eine Nut hat, in die die ausgebeulte Stelle der Felge paßt. Für die Nabe ist diese Vorrichtung entsprechend gedacht. Bei Hohlstahlfelgen ist sie nicht unbedingt nötig, weil die Verschmutzung dort unwesentlieh ist. Der Teil der Speiche, der durch diese Schmutzschutzplatte führt, muß weiter vom Kopf entfernt mit einem Gewinde versehen sein, damit sich die Platte gegen dieThere is no hole in the rim and the hub for inserting the spoke, but a Slot in the longitudinal direction, i.e. the direction of movement of the wheel. To the safe situation ^ of the toggle head, at right angles to the slot, a small groove, a groove, is made in chiseled the rim or hub into which the toggle head fits. Because the opening in the rim mun is not completely covered by the head of the spoke, it is practical if the slot is covered from the outside by a plate facing the rim Side has a groove into which the bulged part of the rim fits. For the hub this device is intended accordingly. It is not necessarily the case with hollow steel rims necessary because the pollution is negligible there. The part of the spoke that goes through this dirt backing plate leads must be threaded farther from the head be so that the plate is against the

Claims

The rim or hub can be screwed. At the same time the spoke becomes stronger Location given. .. '

The memory which can be used for the invention can be used in a manner known per se if it is toggled on each end . has heads. It must be divided and it must be possible to tighten it by means of a tensioning screw.

For the case of use the spoke ίο with the head through the slot in the rim or the hub is pushed and turned 90 with the toggle into the Groove is embedded, on it the spoke, which is in the direction of the clamping screw on both Parts has a mating thread, clamped. The disclosed device can also be used analogously for motorcycles and motor vehicles.

The new storage is completely safe; the elongated slots are in the rim narrow and do not affect their strength, as do the large holes of the well-known Do the screwing way. In addition to these technical advantages, the convenient and easy spoke renewal should be emphasized.

In Figs. 1 to 7 embodiments are shown in natural size. It represent:

Fig. Ι spoke with dirt protection plate, top view,

Fig. 2 dirt protection plate, top view, Fig. 3 spoke, three-part with dirt plate, section,

Fig. 4 Rim with slot and groove, on top you can see

Fig. 5 Rim with groove and spoke head, section,

Fig. 6 rim of spokes on the hub with spokes, top view,

Fig. 7 Hub with slot and bearing groove, top view.

In Fig. Ι, α denotes the spoke with the toggle head e and the thread /, d is the dirt protection plate, which is attached to the short spoke V with the screw nut c. Feil can be screwed against the rim, b is »viätie clamping screw. Fig. 2 shows the dirt *% protection plate d with a groove g that fits on the knuckle head bearing on the bulged rim.

To Fig. 3: Here Fig. 1 is shown in section. The names correspond the above. A second tensioning screw is attached to the hub part of the three-part spoke.

Fig. 4 is a rim part with the slot / and the groove k. *

Fig. '5 shows the Feigew in section with the groove k. The other designations correspond to those in Fig. 1.

In Fig. 6 ο is the hub and n is the spoke ring ^ / is the insertion slot for the toggle head. Here the slots are in the direction of the tensile stress, a groove is missing.

Fig. 7 is the fraction of the hub of a motor vehicle, ο is the flatter, ρ is the more curved, higher part. The insertion slots are designed like those in Fig. 4.

P Λ T l £ N ϊ Λ Ν PROVERBS:

i. Means for wheels with metal spokes, which are provided with toggle member and the tension with a clamping screw, characterized in that the rim and hub with Längsschnkten (/) are punched, in which the externally inserted spokes one by a rotation of 90 ⁰ in Set the dented groove (k) and allow it to be clamped from the outside.

2. Device according to claim 1, characterized in that the insertion slot (I) in the rim and the hub is covered by a disk which is provided with a groove that fits into the groove.

1 sheet of drawings