DE202007012034U1 - mudguards - Google Patents

Abstract

Radschuetzer (2), especially for a bicycle (12), with a functional element (4, 14, 16, 18), the is fastened by means of at least one ultrasonic welding point (8).

Description

The Application relates to a wheel guard, in particular for a Bicycle, comprising at least one functional element.

Radschuetzer out Metal or plastic are usually directly above the tire of a bicycle attached to protect the cyclist from mud or water. On a Radschuetzer are usually one Series of functional elements attached, which is a simple and ensure safe operation of the bicycle. For example, is to Assembling a wheel guard provided on a bicycle fork a fastener, which in particular in the manner of an angle, further called fender angle formed is. In addition, wheel protectors often other functional elements such as e.g. a spoiler at the back end and an end cap on the front end. These are usually with Shooting or "pockets" designed to thereby attached to the rear or front edge of the Radschützers to be able to. About that also have wheel guards for a Rear wheel often a tail light on top, allowing an electrical cable from the alternator to the tail light needed becomes. This cable can be selectively attached to the Radschützer by means of clamp connections. Alternatively, a cable channel or a cable guide may be provided, the along the wheel guard extends and is fastened by riveting or gluing the Radschützer.

Of the Invention is based on the object, a Radschützer with a functional element indicate, between the wheel guard and the functional element a secure connection is made.

The The object is achieved by a Radschuetzer, especially for a bicycle, with a functional element that by means of at least an ultrasonic welding point is attached.

Under Functional element is to be understood here as a component which firmly with the Radschuetzer is connected and fulfills a fastening or protective function.

The Invention goes from consideration made that a particularly secure, inseparable connection between the Bicycle apron and the functional element is made by both are joined together using ultrasonic welding. ultrasonic welding is to join together Plastics but also metals are particularly suitable. In addition to one high mechanical stability of the compound created by this method is also characterized very low welding times, which result in a high economic efficiency. Furthermore Can the welded joint both on a plane Side as well as in the area of an edge.

According to one preferred variant, the functional element is a fastening element, in particular, a fender angle for attaching the Radschützers a bicycle frame. The fender angle has two legs, an angle of about 90 ° to 110 °. one The thigh is placed on a convex top of the Radschützers and with the help of ultrasonic welding with this undetachably connected. This leg has a length of a few centimeters, so less material is needed to weld manufacture.

According to one Another preferred variant, the functional element is a protective element, in particular a spoiler or an end cap. A spoiler will mostly mounted on the front side at a rear end of the mudguard, to protect the cyclist from soiling. An end cap can for visual or safety reasons mounted frontally at the front or rear end of the Radschützers become. So far, the spoiler and the end caps were with a Shaped in the manner of a bag designed to fit on the edge of the bag mudguard to be plugged. Thanks to the welded connection between the Radschuetzer and the protective element is no longer required to record, allowing a simpler and material-saving construction of the protective element is present.

leg a functional element, the manner of a fender angle, a Spoilers or an end cap is exceeded his length essentially the length a front edge of the Radschützers not, so that a relatively short contact line or short ultrasonic weld, which spread over a few Centimeters, is sufficient. This can be the connection between the bicycle mudguard and the functional element at a point one or more welds or over the entire length the contact line.

Prefers is the Radschuetzer made of plastic. Plastic is characterized by a high temperature and chemical resistance and can be deform easily.

Farther Preferably, the functional element is made of plastic, so that achieves the same benefits as a plastic wheel guard become. In addition, this embodiment variant the significant advantage that plastic parts (such as e.g. mudguards and functional element) connect in a particularly simple manner with the aid of ultrasonic welding to let.

advantageously, the functional element is essentially in the longitudinal direction the Radschützers extending cable channel. The connection between the Radschuetzer and The cable channel can be done selectively at several welds. Alternatively, it is also possible only one weld to be provided over such a length of the cable duct extends that the stability requirements for the connection Fulfills are. As particularly safe, a connection has been found in the ultrasonic welding site preferably extends substantially along the entire length of the cable channel.

Around the cable duct and thus the cable inside it before possible damage to protect, is the cable channel according to a preferred embodiment arranged on a concave inside of the Radschützers.

Preferably At least the inside and the cable channel are made of plastic educated. In particular, the entire wheel guard is made of plastic, To a particularly simple way an ultrasonic welding connection to be able to produce.

advantageously, At least the wheel guard has to two holes for implementation of a cable. The holes are in particular at a front Part and arranged at a rear part near the tail light. Thereby the cable is essentially over his entire length in the under the Radschuetzer arranged cable duct housed and thus protected against damage. alternative can also further holes for passing a cable at defined locations be provided, in particular corresponding holes are formed in the cable channel.

embodiments The invention will be explained in more detail with reference to a drawing. Herein show:

1 in a cross-sectional representation of a Radschützer 2 for a rear wheel,

2 a side view of a front part of a bicycle with a wheel guard,

3 a perspective view of the Radschützer according 2 , and

4 a side view of the Radschützer according to 2 ,

1 shows in a cross-sectional representation of a Radschützer 2 for a rear wheel of a bicycle, not shown. On a concave inside 3 The Radschützers is a cable channel 4 arranged. The Radschuetzer 2 and the cable channel 4 extend substantially in a longitudinal direction which is perpendicular to the plane of the drawing. In the cable channel 4 in the longitudinal direction runs an electrical cable 6 , which is intended to a not shown here Radlicht, the at the Radschuetzer 2 is arranged to provide electrical power.

Both sides of the cable channel 4 is a weld 8th shown, which is formed by means of ultrasonic welding and the cable channel 4 with the Radschuetzer 2 inextricably linked. In this embodiment, only one ultrasonic welding point 8th provided, which is located on both sides of the cable channel 4 extends along its entire length. Alternatively, several ultrasonic welding points can be used 8th be provided along the cable channel 4 spaced apart from each other.

In 2 is a front seat 10 a bicycle 12 shown, above the protection of a cyclist, not shown here from pollution a front wheel archer 2 is mounted, which is formed in this embodiment of plastic. The Radschuetzer 2 has three functional elements 14 . 16 . 18 on, this also made of plastic and with the Radschützer 2 are permanently connected by ultrasonic shearing. The Radschuetzer 2 or one or more of the functional elements 14 . 16 . 18 however, they can also be metallic.

One of the functional elements 14 . 16 . 18 is an apron angle 14 with the help of the Radschuetzer 2 on a bicycle fork 20 of the bicycle 14 is attached. The other functional elements are a spoiler 16 and an end cap 18 at the rear end or at the front end of the mudguard 2 are attached.

The functional elements 14 . 16 . 18 are based on a Radschützers 2 for a front seat 10 However, they can also be shown individually or in combinations on the rear wheel of the bicycle 12 for attachment and estimation purposes.

The exact design of the Radschützers 2 is from the 3 and 4 seen. The arched Radschuetzer 2 has a convex top 22 , a concave inside 3 (analogous to 1 ) and two front edges 24 having. The fender angle 14 is in a front area of the top 22 attached and over a weld or site 8th shockproof and unsolvable with the Radschützer 2 connected. The fender angle 14 has a first leg 26a up on the top 22 is up. The thigh 26a extends over a length which is slightly smaller than the length of the frontal edges 24 the Radschützers 2 , The white tere thighs 26b in this embodiment, with the first leg 26a includes an angle of about 100 °, is in the assembled state of the bicycle 12 with the bicycle fork 20 connected, so the Radschuetzer 2 with none of the rotating parts of the bike 12 comes into contact.

The end cap 18 and the spoiler 16 are also about welds 8th at the front or at the rear end edge 24 attached. Since only a material connection between the Radschützer 2 and the end cap 18 or the spoiler 16 is present, the design of these functional elements 16 . 18 particularly easy and material-saving.

2

mudguards

3

inside

4

Cabel Canal

6

electric wire

8th

Ultrasonic weld

10

front

12

bicycle

14

Fender angle

16

spoiler

18

Endschutzkappe

20

bicycle fork

22

top

24

front edge

26a, b

leg

Claims (10)

Radschützer ( 2 ), especially for a bicycle ( 12 ), with a functional element ( 4 . 14 . 16 . 18 ), which by means of at least one ultrasonic welding point ( 8th ) is attached. Radschützer ( 2 ) according to claim 1, wherein the functional element ( 4 . 14 . 16 . 18 ) a fastener, in particular a fender angle ( 14 ). Radschützer ( 2 ) according to one of the preceding claims, wherein the functional element ( 4 . 14 . 16 . 18 ) a protective element, in particular a spoiler ( 16 ) or an end cap ( 18 ). Radschützer ( 2 ) according to one of the preceding claims, which is formed of plastic. Radschützer ( 2 ) according to one of the preceding claims, wherein the functional element ( 4 . 14 . 16 . 18 ) is made of plastic. Radschützer ( 2 ) according to one of claims 1, 4 or 5, wherein the functional element ( 4 . 14 . 16 . 18 ) is a substantially longitudinally extending cable channel ( 4 ) Radschützer ( 2 ) according to claim 6, wherein the ultrasonic welding point ( 8th ) substantially along the entire length of the cable channel ( 4 ). Radschützer ( 2 ) according to claim 6 or 7, comprising a concave inner side ( 3 ), where the cable duct ( 4 ) is arranged. Radschützer ( 2 ) according to claim 8, wherein at least the inside ( 3 ) and the cable channel ( 4 ) are formed of plastic. Radschützer ( 2 ) according to one of claims 6 to 9, with at least two holes for the passage of a cable ( 6 ).