DE546631C - Front suspension for motorcycles - Google Patents

Front suspension for motorcycles

Info

Publication number
DE546631C
DE546631C DE1930546631D DE546631DD DE546631C DE 546631 C DE546631 C DE 546631C DE 1930546631 D DE1930546631 D DE 1930546631D DE 546631D D DE546631D D DE 546631DD DE 546631 C DE546631 C DE 546631C
Authority
DE
Germany
Prior art keywords
front suspension
motorcycles
fork
rocker arm
wheel frame
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
DE1930546631D
Other languages
German (de)
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.)
Standard Fahrzeugfabrik G M B
Original Assignee
Standard Fahrzeugfabrik G M B
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 Standard Fahrzeugfabrik G M B filed Critical Standard Fahrzeugfabrik G M B
Application granted granted Critical
Publication of DE546631C publication Critical patent/DE546631C/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62KCYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K25/00Axle suspensions
    • B62K25/04Axle suspensions for mounting axles resiliently on cycle frame or fork
    • B62K25/06Axle suspensions for mounting axles resiliently on cycle frame or fork with telescopic fork, e.g. including auxiliary rocking arms
    • B62K25/08Axle suspensions for mounting axles resiliently on cycle frame or fork with telescopic fork, e.g. including auxiliary rocking arms for front wheel
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62KCYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K2201/00Springs used in cycle frames or parts thereof
    • B62K2201/04Helical springs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Axle Suspensions And Sidecars For Cycles (AREA)

Description

Vorderradfederung für Motorräder Bei Vorderradabfederungen für Motorräder, bei denen die Vorderradachse in federnd abgestützten doppelarmigen Schwinghebeln gelagert ist, wurden bisher zwei Radgaibeln verwendet, die im wesentlichen parallel zueinander lagen. Die doppelarmigen Schwinghebel griffen einerseits an der mit dem Radgestell fest verbundenen Gabel und andererseits an in Gabelrohren angeordneten Federungen an. Diese bekannte Anordnung hat den Nachteil, daß die durch Idas Vorderrad auf das Radgestell ausgeübten auf- und abwärts gerichteten Kräfte in mehr oder weniger parallel zueinander liegenden Achsen bzw. Gabeln auftreten und infolgedessen an verschiedenen Punkten des Radgestells angreifen, so daß das Radgestell besonderen Biegungsmomenten ausgesetzt ist.Front suspension for motorcycles For front suspension for motorcycles, where the front wheel axle is in resiliently supported double-armed rocker arms is stored, two wheel forks have been used, which are essentially parallel to each other. The double-armed rocker arms attacked the one with the Wheel frame firmly connected fork and on the other hand arranged in fork tubes Suspensions on. This known arrangement has the disadvantage that by Ida's front wheel upward and downward forces exerted on the wheel frame to a greater or lesser extent Axes or forks lying parallel to one another occur and consequently on attack different points of the wheel frame, so that the wheel frame special Is exposed to bending moments.

Dieser Nachteil ist durch die Erfindung dadurch behoben, daß die Schwinghebel mit ihren freien Enden durch Lenker an den Gabelrohren angreifen, so daß die vom Vorderrad ausgehenden, am Radgestell entgegengesetzt auftretenden Kräfte in einer Achse wirken. Die einzige vorhandene Radgabel, in deren Rohren in an sich bekannter Weise die Federungen angeordnet sind, bildet also die Achse, in der sich die auf- und abwärts .gerichteten Kräfte auswirken. Ab- gesehen von der so erreichten geringeren Beanspruchung des Radgestells hat die Erfirndung noch den weiteren Vorteil, daß die sonst übliche zweite oder Hilfsgabel vollkommen in Wegfall kommt.This disadvantage is remedied by the invention in that the rocker arms attack the fork tubes with their free ends through control arms, so that the forces emanating from the front wheel and opposing forces acting on the wheel frame act in one axis. The only existing wheel fork, in the tubes of which the suspensions are arranged in a manner known per se, thus forms the axis in which the upward and downward forces act. Quite apart from the thus achieved, less stress on the wheel frame, the Erfirndung has the further advantage that the usual second or auxiliary fork comes completely in discontinuation.

In der Zeichnung ist ein Ausführungsbeispiel des Erfindungsgegenstandes teilweise im Schnitt dargestellt.The drawing shows an exemplary embodiment of the subject matter of the invention partly shown in section.

M,it dem Fahrgestell r ist auf jeder Seite des Vorderrades 2 ein als Federhülse dienendes Rohr 3 verbunden, das in an sich bekannter Weise durch eine Verstrebung ¢ versteift sein kann. In dem Rohr 3 gleitet eine Hülse 5, die unten mit einem Fuß 6 starr verbunden ist. Zwischen dem Fuß 6 und eine in der Federhülse 3 vorgesehene Abstützplatte 7 ist eine Feder 8 eingeschaltet; die durch eine mittlere, mit dem Fuß 6 verbundene Stange.9 noch besonders geführt sein kann. Mit dem unteren freien Ende des Fußes 6 ist durch einen Bolzen to ein doppelarmiger Hebel I r drehbar verbunden, der einerseits die Achse 12 des Vorderraides a audnimmt und dessen anderes Ende durch einen Lenker 13 mit einer Schelle 14 o. dgl. gelenkig verbunden ist, die ihrerseits mit der Federhülse 3 fest verbunden ist. Das unten aus der Federhülse 3 herausragende Ende der Hülse 5 kann durch einen Balg 15 o. dgl. vor Verschmutzung geschützt sein. Der Balg 15 ist zweckmäßig an einem auf dem -Fuß 6 festen Ring 16 befestigt, der gleichzeitig die Verschiebung der Bohre 3 und 5 gegeneinander begrenzt. In den Ring 16 eingebettet oder auf ihm ist eine Dichtung 17 angeordnet, die das bei stärkstem Stoß erfolgende Aufeinandertreffen der Teile 16, 14. dämpft.A tube 3 serving as a spring sleeve is connected to the chassis r on each side of the front wheel 2 and can be stiffened in a manner known per se by a strut [. A sleeve 5, which is rigidly connected to a foot 6 at the bottom, slides in the tube 3. A spring 8 is connected between the foot 6 and a support plate 7 provided in the spring sleeve 3; which can still be specially guided by a central rod 9 connected to the foot 6. A double-armed lever I r is rotatably connected to the lower free end of the foot 6 by a bolt to which on the one hand accepts the axis 12 of the front rail a and the other end of which is articulated by a link 13 with a clamp 14 or the like, which in turn is firmly connected to the spring sleeve 3. The end of the sleeve 5 protruding from the spring sleeve 3 at the bottom can be protected from contamination by a bellows 15 or the like. The bellows 15 is suitably attached to a solid on the foot bath 6 ring 1 6, which at the same time the displacement of the Drill 3 and 5 against each other is limited. A seal 17 is embedded in the ring 16 or arranged on it, which attenuates the meeting of the parts 16, 14 when the strongest impact occurs.

Erfährt das Vorderrad während der Fahrt in Richtung des Pfeiles a Stöße, so werden sie teilweise auf den Fuß 6 und damit auf die Feder 8 übertragen. Der andere Teil der Stoßkraft greift über den Lenker 13 an der festen Federhülse 3 bzw. dem Fahrgestell i an und bewirkt gewissermaßen eine Abwärtsbewegung in Richtung des Pfeiles b. Durch diese einfache Unterteilung der Stoßkraft wird das sogenannte unangenehme Springen des Motorrades wirksam verhindert.If the front wheel experiences while driving in the direction of arrow a Shocks, they are partially transferred to the foot 6 and thus to the spring 8. The other part of the impact force engages via the link 13 on the fixed spring sleeve 3 or the chassis i and to a certain extent causes a downward movement in the direction of the arrow b. This simple division of the impact force becomes the so-called effectively prevents unpleasant jumping of the motorcycle.

Claims (2)

PATENTANSPRÜCHE: i. Vorderradfederung für Motorräder mit die Vorderradachse tragenden, federnd arbgestüteten doppelarmigen Schwinghebeln und im Innern der Gabelrohre angeordneter Federung, dadurch gekennzeichnet, daß die Schwinghebel (ii) mit ihren freien Enden durch Lenker (13) an den Gabelrohren (3) angreifen, so daß die vom Motorrad ausgehenden, am Radgestell entgegengesetzt auf tretendenKräfte in einer Achse wirken. PATENT CLAIMS: i. Front suspension for motorcycles with the front wheel axle load-bearing, spring-loaded double-armed rocker arms and inside the fork tubes arranged suspension, characterized in that the rocker arm (ii) with their attack free ends by handlebars (13) on the fork tubes (3) so that the from Forces emanating from the motorcycle, opposing forces acting on the wheel frame Axis act. 2. Vorderradfederung nach Anspruch i, dadurch gekennzeichnet, daß der die Schwinghebeldrehachse (i o) tragende federnde Fuß (6) mit einem festen Anschlag (16) versehen ist. Vorderradfederung nach Anspruch ? ,und 2, gekennzeichnet durch eine zwischen dem Anschlag (16) ,und ,dem Gabelrohr (3) angebrachte nachgiebige Schutzhülle Ei;).2. Front suspension according to claim i, characterized in that the resilient foot (6) carrying the rocker arm pivot axis (i o) with a fixed stop (16) is provided. Front suspension according to claim? , and 2, indicated by a flexible one attached between the stop (16) and the fork tube (3) Protective cover egg;).
DE1930546631D 1930-08-07 1930-08-07 Front suspension for motorcycles Expired DE546631C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE546631T 1930-08-07

Publications (1)

Publication Number Publication Date
DE546631C true DE546631C (en) 1932-03-16

Family

ID=6561256

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1930546631D Expired DE546631C (en) 1930-08-07 1930-08-07 Front suspension for motorcycles

Country Status (1)

Country Link
DE (1) DE546631C (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1126756B (en) * 1956-09-01 1962-03-29 Expresswerke Ag Suspension fork, especially for the front wheel of two-wheeled vehicles
US3989261A (en) * 1975-07-24 1976-11-02 Honda Giken Kogyo Kabushiki Kaisha Motorcycle front-wheel suspension with means for restraint of compression of a telescopic front upon braking
DE2533173A1 (en) * 1975-07-24 1977-02-03 Honda Motor Co Ltd Motorcycle front-wheel suspension - has means for restraint of compression of telescopic front upon braking
WO1982002864A1 (en) * 1981-02-27 1982-09-02 Alain Jean Clavier Wheel suspension device for moving vehicles and moving vehicles provided with such device,particularly for motorcycles
WO1984000526A1 (en) * 1982-07-26 1984-02-16 Terence Anthony Haynes A motorcycle front fork assembly
WO1987001670A1 (en) * 1985-09-17 1987-03-26 Terence Anthony Haynes Improvements to motorcycle front suspension

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1126756B (en) * 1956-09-01 1962-03-29 Expresswerke Ag Suspension fork, especially for the front wheel of two-wheeled vehicles
US3989261A (en) * 1975-07-24 1976-11-02 Honda Giken Kogyo Kabushiki Kaisha Motorcycle front-wheel suspension with means for restraint of compression of a telescopic front upon braking
DE2533173A1 (en) * 1975-07-24 1977-02-03 Honda Motor Co Ltd Motorcycle front-wheel suspension - has means for restraint of compression of telescopic front upon braking
WO1982002864A1 (en) * 1981-02-27 1982-09-02 Alain Jean Clavier Wheel suspension device for moving vehicles and moving vehicles provided with such device,particularly for motorcycles
WO1984000526A1 (en) * 1982-07-26 1984-02-16 Terence Anthony Haynes A motorcycle front fork assembly
US4629205A (en) * 1982-07-26 1986-12-16 Haynes Terence A Motorcycle front fork assembly
WO1987001670A1 (en) * 1985-09-17 1987-03-26 Terence Anthony Haynes Improvements to motorcycle front suspension

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