DE1680564B1 - Telescopic strut, especially for the telescopic front fork of two-wheeled vehicles - Google Patents
Telescopic strut, especially for the telescopic front fork of two-wheeled vehiclesInfo
- Publication number
- DE1680564B1 DE1680564B1 DE19661680564 DE1680564A DE1680564B1 DE 1680564 B1 DE1680564 B1 DE 1680564B1 DE 19661680564 DE19661680564 DE 19661680564 DE 1680564 A DE1680564 A DE 1680564A DE 1680564 B1 DE1680564 B1 DE 1680564B1
- Authority
- DE
- Germany
- Prior art keywords
- telescopic
- front fork
- wheeled vehicles
- sliding
- standpipes
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K25/00—Axle suspensions
- B62K25/04—Axle suspensions for mounting axles resiliently on cycle frame or fork
- B62K25/06—Axle suspensions for mounting axles resiliently on cycle frame or fork with telescopic fork, e.g. including auxiliary rocking arms
- B62K25/08—Axle suspensions for mounting axles resiliently on cycle frame or fork with telescopic fork, e.g. including auxiliary rocking arms for front wheel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K25/00—Axle suspensions
- B62K25/04—Axle suspensions for mounting axles resiliently on cycle frame or fork
- B62K25/06—Axle suspensions for mounting axles resiliently on cycle frame or fork with telescopic fork, e.g. including auxiliary rocking arms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K2201/00—Springs used in cycle frames or parts thereof
- B62K2201/04—Helical springs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
- Electroplating Methods And Accessories (AREA)
Description
Die Erfindung betrifft ein Teleskopfederbein, insbesondere für die Teleskopvorderradgabel von Zweiradfahrzeugen.The invention relates to a telescopic strut, in particular for Telescopic front fork of two-wheeled vehicles.
Bei Teleskopfederbeinen ist die Verwendung von kaltfließgepreßten Gleitrohren bekannt, in die zu ihrer Führung in den Standrohren Führungsbuchsen aus Lagerinetall eingesetzt sind. Die Herstellung solcher Führungen erfordert hohe Genauigkeit und ist auch weg ,en der zusätzlichen Lag e rteile und deren Befesti-un- aufwendia. Auch ist es bekannt, die durch einen Querbügel zusammengefaßten Gleitrohre einer Vorderradgabel als Ganzes aus Leich'e_ metall zu pressen und die Gleitrohre ohne weitere Bearbeitung auf den Standrohren zu führen. Es ist aber zu befürchten, daß die Gleiteigenschaften der Leichtmetallgleitrohre auf den Standrohren zu wünschen übriglassen würde.In the case of telescopic struts, cold extruded struts are used Sliding tubes known in the guide bushes to guide them in the standpipes made of bearing metal are used. The production of such guides requires high Accuracy and is also gone, the additional bearing parts and their fastening and expenditure. It is also known that the sliding tubes combined by a transverse bracket to press a front fork as a whole from Leich'e_ metal and the sliding tubes without further processing on the standpipes. But it is to be feared that the sliding properties of the light metal sliding tubes on the standpipes to be desired would leave.
Ferner ist es bekannt, bei Stoßdämpfern, insbesondere solchen für Fahrzeuge, die Gleitrohre aus Kunststoff herzustellen und sie zu verchromen, um sie auf verchromten Stahlrohrteilen gleiten zu lassen. Rostansatz, Fressen und Quietschgeräusche sollten dadurch vermieden werden.It is also known in shock absorbers, especially those for Vehicles that manufacture sliding tubes from plastic and chrome-plating them in order to to slide them on chrome-plated tubular steel parts. Rust formation, seizure and squeaking noises should thereby be avoided.
Demgegenüber liegt der Erfindung die Aufgabe zugrunde, ein Teleskopfederbein, insbesondere für die Teleskopvorderradaabel von Zweiradfahrzeugen mit aus Leichtmetall kaltfließgepreßten Gleitrohren, die mit ihren nicht nachgearbeiteten Innenflächen auf den Außenflächen der zugehörigen Standrohre gleiten, zu schaffen, bei dem mit einfachen Mitteln die gegenseitige Gleitfähigkeit der Rohre auf jeden Fall gewährleistet ist.In contrast, the invention is based on the object of a telescopic shock absorber, especially for the telescopic front wheel label of two-wheeled vehicles made of light metal cold-extruded sliding tubes with their inner surfaces that have not been reworked slide on the outer surfaces of the associated standpipes to create where with simple means the mutual sliding ability of the pipes is guaranteed in any case is.
Die Lösun- dieser Aufgabe besteht erfindungs--gemäß - darin, daß in an sich bekannter Weise die Außenflächen der aus Stahl hergestellten Standrohre# hartverchromt sind. Diese Kombination von Standrohr aus außen hartverchromtem Stahl und innen unbearbeitetem, kaltfließgepreßtem Leichtinetallgleitrohr ergibt den Vorteil eines einfach zu fertigenden, hohe Festigkeit aufweisenden Teleskopfederbeins mit guter gegenseitiger Gleitfähigkeit der Rohre. Zur weiteren Verbesserung der Gleiteigenschaften wird in zweckmäßiger Weiterbildung der Erfindung vorgeschlagen, die unbearbeiteten Innenflächen der Gleitrohre mit einer harten Oxydschicht zu versehen.The solutions of this object consists Invention - by - the fact that the outer surfaces of the standpipes # are made of steel hard chrome plated in a conventional manner. This combination of standpipe made of hard chrome-plated steel on the outside and cold-extruded light-metal sliding pipe unprocessed on the inside results in the advantage of an easy-to-manufacture, high-strength telescopic shock absorber with good mutual sliding properties of the pipes. To further improve the sliding properties, it is proposed in an expedient development of the invention to provide the unmachined inner surfaces of the sliding tubes with a hard oxide layer.
In der Zeichnung ist ein Ausführungsbeispiel der Erfindung dargestellt, und zwar zeigt sie einen Längsschnitt durch den unteren Teil eines Federbeins einer Teleskopvorderradgabel.In the drawing, an embodiment of the invention is shown, namely, it shows a longitudinal section through the lower part of a strut Telescopic front fork.
Das aus Leichtmetall kaltfließgepreßte Gleitrohr 1 ist auf seiner an sich nicht weiterbearbeiteten Innenfläche 2 mit einer harten Oxydschicht versehen. Es ist damit auf der Außenfläche 3 des aus Stahl hergestellten Standrohres'4 geführt. Diese Außenfläche3 des Standrohres ist hartverchromt. Auf das untere, durch einen Boden la geschlossene Ende des Gleitrohres 1 ist die Achsfaust 5 aufgeschoben. Deren Boden 5 a und der Boden la des Gleitrohres 1 durchdringt der Gewindebolzen 6, der mit Muttern 7 und 8 die Verbindung zwischen Achsfaust 5 und Gleitrohr 1 sichert. Die Verlängerung des Gewindebolzens 6 bildet zugleich die Stützstange 9 für das Federwiderlager 10 der Feder 11. The sliding tube 1, which is cold-extruded from light metal, is provided with a hard oxide layer on its inner surface 2, which is not further processed. It is thus guided on the outer surface 3 of the standpipe 4 made of steel. This outer surface3 of the standpipe is hard chrome-plated. The axle fist 5 is pushed onto the lower end of the sliding tube 1 , which is closed by a bottom la. Their bottom 5 a and the bottom la of the sliding tube 1 penetrates the threaded bolt 6 which, with nuts 7 and 8, secures the connection between the axle fist 5 and the sliding tube 1. The extension of the threaded bolt 6 also forms the support rod 9 for the spring abutment 10 of the spring 11.
Die Erfahrung hat gezeigt, daß eine solche Ausbildung der Berührungsflächen der Rohre ein einwandfreies Gleiten der Leichtmetallgleitrohre auf den stählernen Standrohren gewährleistet.Experience has shown that such a design of the contact surfaces the tubes a perfect sliding of the light metal sliding tubes on the steel Standpipes guaranteed.
Claims (2)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEK0060854 | 1966-12-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1680564B1 true DE1680564B1 (en) | 1970-09-03 |
Family
ID=7229791
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19661680564 Pending DE1680564B1 (en) | 1966-12-03 | 1966-12-03 | Telescopic strut, especially for the telescopic front fork of two-wheeled vehicles |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE1680564B1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19737599A1 (en) * | 1997-08-28 | 1999-03-04 | Bayerische Motoren Werke Ag | Resilient, steerable axle suspension for a two-wheeler |
EP1000848A2 (en) | 1998-11-09 | 2000-05-17 | ContiTech Luftfedersysteme GmbH | Suspension system |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE717679C (en) * | 1935-08-27 | 1942-02-20 | Kabel Und Metallwerke Neumeyer | Application of the cold spraying process known for the production of hollow bodies from non-ferrous metals for the production of hollow bodies from steel |
DE899444C (en) * | 1951-12-29 | 1953-12-10 | Kreidler Dipl Ing Alfred | Telescopic front wheel fork with sliding tubes connected by a bridge to form a sliding bracket and a method for producing this sliding bracket |
DE957367C (en) * | 1950-11-03 | 1957-01-31 | Zuendapp Werke Ges Mit Beschra | Process for the production of the lower fork guide tubes of telescopic forks, especially for motorcycles |
DE1923239U (en) * | 1965-05-28 | 1965-09-09 | Tabel Carl Creussen Metall | SHOCK ABSORBER. |
-
1966
- 1966-12-03 DE DE19661680564 patent/DE1680564B1/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE717679C (en) * | 1935-08-27 | 1942-02-20 | Kabel Und Metallwerke Neumeyer | Application of the cold spraying process known for the production of hollow bodies from non-ferrous metals for the production of hollow bodies from steel |
DE957367C (en) * | 1950-11-03 | 1957-01-31 | Zuendapp Werke Ges Mit Beschra | Process for the production of the lower fork guide tubes of telescopic forks, especially for motorcycles |
DE899444C (en) * | 1951-12-29 | 1953-12-10 | Kreidler Dipl Ing Alfred | Telescopic front wheel fork with sliding tubes connected by a bridge to form a sliding bracket and a method for producing this sliding bracket |
DE1923239U (en) * | 1965-05-28 | 1965-09-09 | Tabel Carl Creussen Metall | SHOCK ABSORBER. |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19737599A1 (en) * | 1997-08-28 | 1999-03-04 | Bayerische Motoren Werke Ag | Resilient, steerable axle suspension for a two-wheeler |
EP1000848A2 (en) | 1998-11-09 | 2000-05-17 | ContiTech Luftfedersysteme GmbH | Suspension system |
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