FR2511332A1 - Fixing for bicycle mudguard - has L=shaped plate held by brake bolt on to steering stem - Google Patents
Fixing for bicycle mudguard - has L=shaped plate held by brake bolt on to steering stem Download PDFInfo
- Publication number
- FR2511332A1 FR2511332A1 FR8115524A FR8115524A FR2511332A1 FR 2511332 A1 FR2511332 A1 FR 2511332A1 FR 8115524 A FR8115524 A FR 8115524A FR 8115524 A FR8115524 A FR 8115524A FR 2511332 A1 FR2511332 A1 FR 2511332A1
- Authority
- FR
- France
- Prior art keywords
- mudguard
- fixing
- hole
- fork head
- support
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J15/00—Mud-guards for wheels
- B62J15/02—Fastening means; Stays
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
Description
Sur la plupart des bicyclettes le garde-boue avant est monté au moyen d'un barillet de fixation qui est porté par le garde-boue lui-même et est traversé diaméw tralement par le boulon du frein, qui traverse également le tube-pivot et la tête de fourche. Des rondelles de centrage et d'appui sont en outre interposées entre le garde-boue et les extrémités de ces organes. On most bicycles the front mudguard is mounted by means of a fixing barrel which is carried by the mudguard itself and is diametrically traversed by the brake bolt, which also passes through the pivot tube and the fork head. Centering and support washers are also interposed between the mudguard and the ends of these members.
Un tel montage nécessite donc un emboutissage local du garde-boue pour permettre un appui correct sous la tête de fourche. Par ailleurs, lors de l'assemblage, le barillet doit être mis en place au préalable et être orienté de manière appropriée pour recevoir le boulon de frein. Such an assembly therefore requires local stamping of the mudguard to allow proper support under the fork head. Furthermore, during assembly, the barrel must be put in place beforehand and be oriented in an appropriate manner to receive the brake bolt.
Pour éviter ces inconvénients, il a été proposé un autre type de fixation qui comporte une pièce de support fixée sous le garde-boue et comprenant une patte qui traverse ce dernier et fait saillie vers l'extérieur pour être fixée sur la tête de fourche par le boulon du frein. To avoid these drawbacks, another type of fixing has been proposed which comprises a support piece fixed under the mudguard and comprising a lug which crosses the latter and projects outwards to be fixed on the fork head by the brake bolt.
Il n'est plus nécessaire dans ce cas de prevoir un emboutissage local du garde-boue, mais seulement un trou de passage de la patte de fixation, et ce trou assure le centrage. Toutefois la patte de fixation étant en contact avec la partie arrière de la tête de fourche, l'avant de cette dernière est libre et risque de venir frotter contre le garde-boue en endommageant ce dernier. It is no longer necessary in this case to provide a local stamping of the mudguard, but only a hole for passage of the fixing lug, and this hole ensures centering. However, the mounting lug being in contact with the rear part of the fork head, the front of the latter is free and risks rubbing against the mudguard, damaging the latter.
La présente invention a pour but de remédier à ces inconvénients en réalisant un dispositif de fixation qui offre des surfaces d'appui importantes à la fois à la tête de fourche et au garde-boue, sans nécessiter d'emboutissage de ce dernier et en étant particulièrement facile à mettre en place. The object of the present invention is to remedy these drawbacks by producing a fixing device which offers large bearing surfaces both at the fork head and at the mudguard, without requiring stamping of the latter and being particularly easy to set up.
Cette invention a en effet pour objet un dispositif de fixation comportant un support en équerre, dont l'une des branches a une épaisseur croissante en direction de son extrémité libre et qui présente ainsi deux surfaces internes, perpendiculaires entre elles, d'emboîtement sur la tête de fourche, et une surface extérieure inférieure inclinée et galbée,de contact avec le garde-boue, la branche d'épaisseur croissante étant traversée par un trou de passage d'un organe de fixation du garde-boue, tandis que l'autre branche comporte un orifice de passage du boulon de frein. The subject of this invention is in fact a fixing device comprising a square support, one of the branches of which has an increasing thickness in the direction of its free end and which thus has two internal surfaces, perpendicular to each other, for fitting onto the fork head, and a lower inclined and curved outer surface, in contact with the mudguard, the branch of increasing thickness being traversed by a through hole of a fixing member of the mudguard, while the other branch has a hole for the passage of the brake bolt.
La forme de la surface inférieure du support en équerre correspondant à celle du garde-boue, ce dernier de même que la tête de fourche sont étroitement en contact avec le support en équerre mais ne peuvent en aucun cas frotter l'un sur l'autre et se déplacer l'un par rapport à l'autre. The shape of the lower surface of the square support corresponding to that of the mudguard, the latter as well as the fork head are closely in contact with the square support but can in no case rub one on the other and move relative to each other.
Selon une autre caractéristique de l'invention, le support en équerre comporte un ergot de centrage qui coopère avec un trou du garde-boue. According to another characteristic of the invention, the square support comprises a centering lug which cooperates with a hole in the mudguard.
La description ci-dessous d'un mode de réalisation donné à titre d'exemple non limitatif, et représente au dessin annexé, fera d'ailleurs ressortir les avantages et caractéristiques de l'invention. The description below of an embodiment given by way of nonlimiting example, and represents in the appended drawing, will moreover highlight the advantages and characteristics of the invention.
Sur le dessin
- la fig. 1 montre en coupe un garde-boue monté à l'aide d'un dispositif suivant l'invention;
- la fig. 2 est une vue avant du dispositif de fixation, en place sur la tête de fourche en l'absence du garde-boue, ainsi que du frein;
- la fig. 3 est une vue éclatée du dispositif de fixation selon l'invention.On the drawing
- fig. 1 shows in section a mudguard mounted using a device according to the invention;
- fig. 2 is a front view of the fixing device, in place on the fork head in the absence of the mudguard, as well as the brake;
- fig. 3 is an exploded view of the fixing device according to the invention.
Comme le montre la figure 1, la tête de fourche 1 à laquelle doit être assemblé un garde-boue 2, est associée de manière connue à un tube-pivot 4 et peut tourner avec ce tube 4 à l'intérieur d'un tube de direction 5. As shown in FIG. 1, the fork head 1 to which a mudguard 2 is to be assembled, is associated in a known manner with a pivot tube 4 and can rotate with this tube 4 inside a tube direction 5.
La tête de fourche 1 et le tube-pivot 4 sont traversés diamétralement par un boulon 6 destiné à la fixation d'un frein 7 et servant également au maintien des organes d'assemblage du garde-boue 2.The fork head 1 and the pivot tube 4 are crossed diametrically by a bolt 6 intended for fixing a brake 7 and also serving to hold the mudguard assembly members 2.
Le boulon 6 traverse en effet l'une des branches 8 d'un support en équerre 10. Comme le montrent plus particulièrement les figures 1 et 3, la branche 8 qui est percée d'un orifice 12 de passage du boulon 6, a une epaisseur constante sur toute sa hauteur, de sorte qu'elle comporte deux faces opposées 13 et 14, respectivement interne et externe, qui sont parallèles entre elles. The bolt 6 in fact passes through one of the branches 8 of a square support 10. As shown more particularly in Figures 1 and 3, the branch 8 which is pierced with an orifice 12 for passage of the bolt 6, has a constant thickness over its entire height, so that it has two opposite faces 13 and 14, respectively internal and external, which are parallel to each other.
La seconde branche 16 du support 10 a par cotre une épaisseur croissante en direction de son extrémité libre. Elle comporte en effet une surface extérieure 18, inclinée et galbee, correspondant au cintre du garde-boue 2, tandis que sa face interne 17 est sensiblement plane. The second branch 16 of the support 10 has by cut an increasing thickness in the direction of its free end. It indeed has an outer surface 18, inclined and curved, corresponding to the hanger of the mudguard 2, while its internal face 17 is substantially planar.
Les faces internes 13 et 17 des deux branches sont perpendiculaires entre elles et constituent des surfaces d'appui pour la tête de fourche 1, tandis que la face inclinée et galbée 18 constitue une face de contact avec le garde-boue 2.The internal faces 13 and 17 of the two branches are perpendicular to each other and constitute bearing surfaces for the fork head 1, while the inclined and curved face 18 constitutes a contact face with the mudguard 2.
La branche 16 est par ailleurs percée-d'un alésage 19 de passage d'un organe de fixation, constitué par exemple par une vis 20 associée à un écrou 22. Dans ce cas la surface 17 comporte, de préférence, un évidement 23 de logement de la tête de la vis, qui est par exemple munie d'un rebord 24 en saillie. The branch 16 is also pierced with a bore 19 for the passage of a fixing member, constituted for example by a screw 20 associated with a nut 22. In this case the surface 17 preferably comprises a recess 23 of housing the head of the screw, which is for example provided with a projecting flange 24.
Le support 10 comporte en outre à sa partie inférieure un ergot 26 qui coopère avec un trou 28 percé dans le garde-boue. The support 10 further comprises at its lower part a lug 26 which cooperates with a hole 28 drilled in the mudguard.
Bien entendu le garde-boue comporte un autre trou 30 destiné à permettre le passage de l'organe de fixation 20. En outre l'alésage 19 est incliné de manière à être sensiblement perpendiculaire à la face externe 18 du support 10 et, ainsi, à être sensiblement radial par rapport au garde-boue 2. Of course, the mudguard has another hole 30 intended to allow the passage of the fixing member 20. In addition, the bore 19 is inclined so as to be substantially perpendicular to the external face 18 of the support 10 and, thus, to be substantially radial with respect to the mudguard 2.
Le montage d'un garde-boue 2 à l'aide du support 10 peut s'effectuer de manière très simple. Par exemple le support 10 peut être d'abord monté sur la tête de fourche 1, comme représenté sur la figure 2, au moyen du boulon de frein 6, la vis 20 étant immobilisée dans l'alésage 19. Le garde-boue 2 est ensuite mis en place en introduisant, d'une part'l'ergot 26 dans le trou 28, et d'autre part la vis 20 dans le trou 30, le serrage de l'écrou 22 assurant la fixation du garde-boue. The mounting of a mudguard 2 using the support 10 can be done very simply. For example, the support 10 can first be mounted on the fork head 1, as shown in FIG. 2, by means of the brake bolt 6, the screw 20 being immobilized in the bore 19. The mudguard 2 is then put in place by introducing, on the one hand the lug 26 in the hole 28, and on the other hand the screw 20 in the hole 30, the tightening of the nut 22 ensuring the fixing of the mudguard.
Il est clair qu'un tel assemblage ne pose aucun problême de centrage puisque celui-ci est automatiquement effectué par l'ergot 26. Par contre le support 10 offre aussi bien au garde-boue 2 qu'à la tête de fourche 1 des surfaces de contact relativement importantes mais restant rigoureusement solidaires, quels que soient les deplace- ments de la tête de fourche, de sorte qu'aucune usure intempestive de l'une ou l'autre de ces pièces n'est à craindre. It is clear that such an assembly poses no problem of centering since it is automatically carried out by the lug 26. On the other hand, the support 10 provides both the mudguard 2 and the fork head 1 with surfaces relatively large contact but remaining strictly integral, whatever the movements of the fork head, so that any untimely wear of one or the other of these parts is to be feared.
Le montage peut éventuellement être également effectué en sens inverse, le support 10 étant d'abord rendu solidaire du garde-boue par la mise en place de la vis 20 et de l'écrou 22, l'ergot 26 assurant le centrage de cet assemblage. Puis le garde-boue muni du support peut être mise en place sous la tête de fourche et fixé par le boulon de frein 6. The mounting can optionally also be carried out in the opposite direction, the support 10 being first made integral with the mudguard by the introduction of the screw 20 and the nut 22, the lug 26 ensuring the centering of this assembly . Then the mudguard fitted with the support can be placed under the fork head and fixed by the brake bolt 6.
Dans tous les cas on obtient une fixation efficace, de construction simple et facile à mettre en place. Le support en équerre 10 peut d'ailleurs être réalisé en métal ou en matière plastique, selon les besoins. In all cases, an effective fixing is obtained, of simple construction and easy to set up. The bracket 10 can also be made of metal or plastic, as required.
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8115524A FR2511332A1 (en) | 1981-08-11 | 1981-08-11 | Fixing for bicycle mudguard - has L=shaped plate held by brake bolt on to steering stem |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8115524A FR2511332A1 (en) | 1981-08-11 | 1981-08-11 | Fixing for bicycle mudguard - has L=shaped plate held by brake bolt on to steering stem |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2511332A1 true FR2511332A1 (en) | 1983-02-18 |
FR2511332B1 FR2511332B1 (en) | 1984-01-06 |
Family
ID=9261372
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8115524A Granted FR2511332A1 (en) | 1981-08-11 | 1981-08-11 | Fixing for bicycle mudguard - has L=shaped plate held by brake bolt on to steering stem |
Country Status (1)
Country | Link |
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FR (1) | FR2511332A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5354082A (en) * | 1993-12-01 | 1994-10-11 | Topeak, Inc. | Mudguard for a bicycle |
DE102009004037A1 (en) * | 2009-01-08 | 2010-12-02 | Louis Chuang | Mud guard for front fork of bicycle has first adjusted element inserted through top end of coupled element and body of tightening member to engage with adjusting element |
ITUB20155188A1 (en) * | 2015-10-29 | 2017-04-29 | Askoll Eva S R L A Socio Unico | Attachment device for attaching a fender to a bicycle frame |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB254022A (en) * | 1925-12-18 | 1926-07-01 | Joseph Thomas Morgan | Improved means for attaching the mudguards of cycles and the like |
GB304083A (en) * | 1928-04-24 | 1929-01-17 | Augustus John Rumble | Improvements in and connected with mud-guards for cycles and the like |
CH321733A (en) * | 1954-07-16 | 1957-05-15 | Barlogis Robert | Carrier for number plates to be attached to bicycles and motorcycles |
-
1981
- 1981-08-11 FR FR8115524A patent/FR2511332A1/en active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB254022A (en) * | 1925-12-18 | 1926-07-01 | Joseph Thomas Morgan | Improved means for attaching the mudguards of cycles and the like |
GB304083A (en) * | 1928-04-24 | 1929-01-17 | Augustus John Rumble | Improvements in and connected with mud-guards for cycles and the like |
CH321733A (en) * | 1954-07-16 | 1957-05-15 | Barlogis Robert | Carrier for number plates to be attached to bicycles and motorcycles |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5354082A (en) * | 1993-12-01 | 1994-10-11 | Topeak, Inc. | Mudguard for a bicycle |
DE102009004037A1 (en) * | 2009-01-08 | 2010-12-02 | Louis Chuang | Mud guard for front fork of bicycle has first adjusted element inserted through top end of coupled element and body of tightening member to engage with adjusting element |
DE102009004037B4 (en) * | 2009-01-08 | 2014-07-03 | Louis Chuang | Bicycle apron with clamp arrangement |
ITUB20155188A1 (en) * | 2015-10-29 | 2017-04-29 | Askoll Eva S R L A Socio Unico | Attachment device for attaching a fender to a bicycle frame |
Also Published As
Publication number | Publication date |
---|---|
FR2511332B1 (en) | 1984-01-06 |
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