NL1042943B1

NL1042943B1 - Adjustable two-layer bicycle rain screen

Info

Publication number: NL1042943B1
Application number: NL1042943A
Authority: NL
Inventors: Harry Roelof Wassink Ir
Original assignee: Harry Roelof Wassink Ir
Priority date: 2018-05-24
Filing date: 2018-08-03
Publication date: 2019-12-02
Also published as: NL1042876B1

Abstract

The invention concerns a rain screen which is attachable toa bicycle, moped, e bike or scooter, comprising a shaft with ribs for supporting a web; the web comprising a discontinuity between a first rib and a second rib for providing a head opening with a covering section at a distance above the web partially in register with the head opening wherein the covering section is supported by an extended top of the shaft and by either extended tensioners of the first and second rib or by the distal ends of the first en second rib.

Description

FIELD OF THE INVENTION

The present invention relates to the field of a rain screen which is attachable to a bike.

BACKGROUND

An umbrella (rain screen) mounted on the steering wheel of a bicycle is presented in Dutch patent 1014056. This umbrella serves to keep the driver dry when cycling in the rain. Because of the umbrella, the driver does not need to wear rainproof clothing to stay dry. Patent 1014056 shows an umbrella which is mounted on the steering handle bar of a bicycle such that the position of the screen is adjustable to protect the driver from the rain for different driving speeds and wind directions. The umbrella is positioned above the head of the driver to allow the driver a free view of the surroundings and the road. Due to the relatively high position of the screen, the overturning moment due to side winds is relatively high, creating a risk of toppling of the bicycle. And due to the relatively high position of the screen, there is relatively little protection against the rain when driving or with wind.

SUMMARY

It is preferred to reduce at least some of effects of the disadvantages indicated above. Among others, it is preferred to improve the protection against rain by providing a (rain)screen that may be carried lower relative to the body.

An aspect of the present invention provides a rain screen, comprising a frame, wherein the frame is attachable to a bike, a canopy attached to the frame comprising a web and a plurality of ribs for supporting the web, which ribs are at proximal ends connected to the frame, the web comprising a discontinuity between a first rib and a second rib for providing a head opening, wherein the rain screen further comprises a covering section at least partly provided at a distance from the web at least partially in register with the head opening.

A canopy is a cover, comprising a web preferably comprising a woven or non-woven fabric as a covering material, spanned or spannable over the plurality of ribs. The web comprising a discontinuity is defined as a web comprising one or more holes and/or one or more sections that are omitted such that the web does not cover the entire area spanned between the ribs over which the web is spanned.

The discontinuity of the web provides a head opening, which is arranged such that a user may provide his head through the head opening. The head or neck may be provided in or through the discontinuity of the web. Alternatively or additionally, the head opening may provide a viewing window for a user who is at least partially covered by the canopy.

The frame may be attachable to a bike, moped, e-bike, scooter or any other vehicle without a roof to protect a user of the vehicle from rain whilst driving the vehicle. A user riding the bike and using the rain screen according to the present invention will thus be at least partially protected from rain by the rain screen.

The ribs may extend substantially radially from the frame, and the web may be spanned over the ribs. The spanned web may provide a force pulling the first rib away from the second rib. If the discontinuity were to be present over the entire area between the first rib and the second rib, this pulling force cannot be transferred between the first rib and the second rib causing an unstable shape of the web. Therefore, a tensioning element such as a small strip of web material is arranged to limit a maximum substantially tangential distance between the first rib and the second rib, or, stated differently, to limit the distance between distal ends of the first rib and the second rib.

In an embodiment of the rain screen, the frame comprises a shaft having distal ends of the ribs hingedly connected thereto at a rib connection position, a runner arranged to be translated relative to the length of the shaft between a first position and a second position, and stretchers, at a proximal end hingedly connected to the runner and at or near a distal end connected to the ribs, wherein when the runner is translated from the first position to the second position, the web is spanned by the stretchers pushing distal ends of the ribs away from the shaft, and when the runner is translated from the second position to the first position, distal ends of the ribs are pushed towards the shaft by the stretchers;

In an embodiment of the rain screen, the first position of the runner is a bottom position when the rain screen is not in use, and the second position of the runner is a top position when the rain screen is in use.

When the rain screen is in use, the covering section at least partially prevents rain falling on top of the rain screen from falling through the head opening - or on a head sticking through the head opening. Instead, rain falls onto the covering section and may flow of the cover section for example onto the web.

In an embodiment, the covering section is connected to the extended shaft by means of a connection at a distance from the rib connection position.

The frame may further comprise two extended stretchers, at a proximal end connected to the runner and at or near a distal end connected to the covering section, such that the two extended stretchers are arranged for tensioning the covering section from the frame.

In another embodiment of the rain screen, the covering section is supported by two extra ribs with their proximal ends connected to the extended shaft.

In another embodiment of the rain screen, the covering section is spanned by a third rib with its proximal ends connected to the shaft top.

Two side flaps may be connected to and provided between the web and the covering section. The side flaps may shelter a head provided in the head opening from rain coming from the sides of the head opening.

In the description below, the following definitions are used interchangeably: opening in the screen and head opening; tube, tube extension, and shaft; web and non-continuous screen; upper screen and covering section; extended top and extension section; sliding connection and runner; web and non-continuous lower section; tensioners and stretchers.

DESCRIPTION OF THE FIGURES

The various aspects and embodiments thereof will now be discussed in conjunction with drawings. In the drawings:

Figure 1 schematically shows a side view of a bike with attached to it an embodiment of a rain screen with a covering section connected to extended stretchers and to an extended top of the shaft.

Figure 2 schematically shows a front view of a bike with attached to it an embodiment of a rain screen with a covering section connected to extended stretchers and an extended top of the shaft.

Figure 3 schematically shows a top view of an embodiment of a rain screen with a covering section connected to extended stretchers and the extended top of the shaft.

Figure 4 schematically shows the frame, web and covering section are folded when the covering section is connected to the extended shaft top and extended stretchers.

Figure 5 schematically shows an extended top sliding in the shaft.

Figure 6 schematically shows an alternative whereby the covering section has no ribs between extended top of the shaft and extended stretchers.

Figure 7 schematically shows a side view of a bike with attached to it an embodiment of a rain screen with a covering section connected to two ribs and to an extended top of the shaft.

Figure 8 schematically shows a front view of a bike with attached to it an embodiment of a rain screen with a covering section connected to two ribs and to an extended top of the shaft.

Figure 9 schematically shows a top view of a rain screen with a covering section connected to two ribs and to an extended top of the shaft.

Figure 9a schematically shows how the frame, web en covering section are folded when the covering section is connected to the extended top of the shaft and to two ribs.

Figure 10 schematically shows how the rain screen can be connected to a ladies bicycle.

Figure 11 schematically shows how the rain screen can be connected to a scooter.

Figure 12 shows schematically how the rain screen can be adjusted in height.

Figure 13 shows schematically how the rain screen can be adjusted in angle.

Figure 14 schematically shows a preferred form connecting the shaft to the frame of the bicycle.

Figure 15 schematically shows details of the preferred form connecting the shaft to the bike top tube.

Figure 16 shows schematically a preferred form to stow the folded screen when not used to the frame of the bicycle.

DETAILED DESCRIPTION OF THE EMBODIMENTS

Figure 1 shows schematically a side view of the device according to the invention whereby on behalf of clarity of the figure certain components have been left out and where a covering section (10) is shown below which the head of the driver can be positioned.

Figure 2 shows schematically a front view of the device with the same components as presented in figure 1. The discontinuous web (1) comprises an opening (2) between two ribs through which the head of the driver may be positioned. The ribs (3) of the screen provide for support of the foldable flexible material of the web (1). The shaft (4) of the screen is connected via component (5) to the shaft extension (6). The shaft extension is connected to the bicycle via component (7). In the preferred form of the device, the connection (5) is provided with means to connect the shaft detachable to the bicycle so that the screen can be easily attached to and detached from the bicycle.

The foldable flexible material of the covering section (10) is tensioned between two extended stretchers (9) and a the extended top (13). The covering section includes two side flaps (12) for improved protection against the rain, leaving a free view on the road for the driver.

Figure 3 presents a top view of the screen with a selection of the components which have been presented in figures 4 and 5.

Figure 4 shows schematically how the frame, web en covering section are folded with the sliding hinged connection (14) of the ribs (8) of the covering section (10) to the extended top (13). In Figure 4, from left to right, the runner is translated over the shaft from the second position to the first position.

Figure 5 shows an alternative for the hinged sliding connection (14) comprising of an extended top (21) sliding adjacent to the shaft (4) with its distal end hinged connected (20) to the ribs of the covering section (8) and its proximal end connected to the runner.

Figure 6 shows schematically an alternative whereby the covering section (10) is tensioned between the extended stretchers (9) and the extended top (13). When the screens are folded, the covering section slackens.

Figure 7 shows schematically a side view of the device according to the invention whereby on behalf of clarity of the figure certain components have been left out and where a covering section (10) is shown below which the head of the driver can be positioned. The covering section is connected to the extended top of the shaft (13) and to the first and second rib (3).

Figure 8 shows schematically a front view of the device with the same components as presented in figure 7.

Figure 9 presents a top view of the screen with a selection of the components which have been presented in figures 7 and 8.

Figure 9a shows schematically how frame, web and covering section (10) are folded with the sliding hinged connection (14) of the extra ribs (8) of the covering section to the extended top (13).

Figure 10 shows schematically a side view of the device according to the invention whereby on behalf of clarity of the figure certain components have been left out and where the device is connected to a ladies bicycle instead of a man’s bicycle as has been the case in the figures 1-9.

Figure 11 shows schematically a side view of the device according to the invention whereby on behalf of clarity of the figure certain components have been left out and where the device is connected to a scooter including not only protection against the rain for the driver, but also for the passenger.

Figure 12 and 13 show schematically the adjustability by means of the preferred form of the connection (7) of the shaft extension and screen in height and angle for drivers of different sizes and so that the driver is protected from the rain at different driving speeds.

Figure 14 shows schematically a preferred form of connection (7) connecting the shaft extension (6) to the frame of the bicycle. The shaft extension (6) can be moved by the driver as indicated by the arrows of figure 14 until it is in the correct position. The shaft extension (6) can shift inside the shaft guide (17) and the shaft guide (17) has a rotation-free connection with (7).

Figure 15 shows schematically the details of the preferred form of the connection (7) with the shaft guide (15). When free horizontal and vertical movement is desired, the fixing block (18) is raised along the shaft extension (6) to above the shaft guide (15). When the shaft and the screen are in the desired position, the driver moves the shaft to make the female (16) and male (19) connection and after that lowers the fixing block (18) to fix the position of the screen.

Figure 16 shows schematically a preferred form to stow the folded screen when not used to the frame of the bicycle using connection (5) in a hinged form.

While the ribs in the figures are in the figures shown as extending at substantially the same angle from the frame, embodiments of the rain screen are also envisioned wherein different ribs extend at different angles from the frame. This may allow a non-symmetrical web to be provided, which may increase aerodynamic properties of the rain screen. Furthermore, different ribs may have different lengths.

Expressions such as comprise, include, incorporate, contain, is and have are to be construed in a non-exclusive manner when interpreting the description and its associated claims, namely construed to allow for other items or components which are not explicitly defined also to be present. Reference to the singular is also to be construed in be a reference to the plural and vice versa.

In the description above, it will be understood that when an element such as layer, region or substrate is referred to as being “on” or “onto” another element, the element is either directly on the other element, or intervening elements may also be present.

Furthermore, the invention may also be embodied with less components than provided in the embodiments described here, wherein one 5 component carries out multiple functions. Just as well may the invention be embodied using more elements than depicted in the Figures, wherein functions carried out by one component in the embodiment provided are distributed over multiple components.

A person skilled in the art will readily appreciate that various parameters disclosed in the description may be modified and that various embodiments disclosed and/or claimed may be combined without departing from the scope of the invention.

Claims

ClausesClauses

1 Part 1, relevant background art.1 Part 1, relevant background art.

The relevant background art mentioned in the investigation reports of 21 January 2019 en 7 February 2019 includes the following patents:The relevant background art mentioned in the investigation reports of 21 January 2019 and 7 February 2019 includes the following patents:

a. JP Hll 34958 A (Murata Hiroyasu) 9 februari 1999,a. JP Hll 34958 A (Murata Hiroyasu) February 9, 1999,

b. US 212 457 A (Girbardt Leonhard) 18 februari 1879,b. US 212 457 A (Girbardt Leonhard) February 18, 1879,

c. DE 20 2015 004987 U1 (Schmidt Thomas) 8 september 2015,c. DE 20 2015 004987 U1 (Schmidt Thomas) 8 September 2015,

d. GB 07474 A A.D. 1914 (Bunau-Varilla) 25 juni 1914,d. GB 07474 A A.D. 1914 (Bunau-Varilla) June 25, 1914,

e. AT 393 482 B (Graf Heinz) 25 oktober 1991 (1991-10-25),e. AT 393 482 B (Graf Heinz) October 25, 1991 (1991-10-25),

f. FR 912 884 A (Riester Andre) 22 augustus 1946,f. FR 912 884 A (Riester Andre) August 22, 1946,

g. JP 4 484165 Bi (Terakawa Eitaro) 16 juni 2010,g. JP 4 484165 Bi (Terakawa Eitaro) June 16, 2010,

h. CN 1064996 A (Hu Degen) 7 oktober 1992.h. CN 1064996 A (Hu Degen) October 7, 1992.

Important features of the present invention are the extended top of the shaft and two extended stretchers of a foldable rain screen supporting a covering section. Above mentioned patents a, d, e, f and g are not related to a foldable rain screen and above mentioned patents b, c, en h relate to a foldable rain screen but do not have an extended top or extended stretchers supporting a covering section.Important features of the present invention are the extended top of the shaft and two extended stretchers or a foldable rain screen supporting a covering section. Patents a, d, e, f and g mentioned above are related to a foldable rain screen and patents b, c and h mentioned above relate to a foldable rain screen but do not have an extended top or extended stretchers supporting a covering section .

Part 2: novelty features.Part 2: novelty features.

Rain screen, comprising:Rain screen, including:

a. a shaft having ribs with their proximal ends hingedly connected to the shaft top;a shaft having ribs with their proximal ends hingedly connected to the shaft top;

b. a runner arranged to be translated relative to the shaft between a first position and a second position;b. a runner arranged relative to the shaft between a first position and a second position;

c. stretchers, at a proximal end hingedly connected to the runner and at or near a distal end hingedly connected to the ribs, wherein:c. stretchers, at a proximal end hingedly connected to the runner and at or near a distal end hingedly connected to the ribs,

i. when the runner is translated from the first position to the second position, the web is spanned by the stretchers pushing distal ends of the ribs away from the shaft; and ii. ii. when the runner is translated from the second position to the first position, distal ends of the ribs are pulled towards the shaft by the stretchers.i. when the runner is translated from the first position to the second position, the web is spanned by the stretchers pushing distal ends of the ribs away from the shaft; and ii. ii. when the runner is translated from the second position to the first position, distal ends of the ribs are pulled towards the shaft by the stretchers.

d. a web which is supported by the ribs wherein the web comprises a discontinuity between a first and a second rib for providing a head opening,d. a web which is supported by the ribs providing the web comprises a discontinuity between a first and a second rib for providing a head opening,

e. a covering section at least partly provided at a distance from the web at least partially in register with the head opening wherein the covering section is connected to the extended top of the shaft and the distal ends of the extended stretchers of the first en second rib.e. a covering section at least partly provided at a distance from the web at least partially in register with the head opening the covering section is connected to the extended top of the shaft and the distal ends of the extended stretchers of the first and second rib.

2 Rain screen according to clause 1, wherein the covering section is connected to the extended top of the shaft and the distal ends of the first en second rib.2 Rain screen according to clause 1, the covering section is connected to the extended top of the shaft and the distal ends of the first and second rib.

3 Rain screen according to clause 1 and 2, wherein the covering section is connected to the extended top of the shaft by a connection which is arranged to slide relative to the first and second position of the runner.3 Rain screen according to clause 1 and 2, the covering section is connected to the extended top of the shaft by a connection which is arranged to slide relative to the first and second position of the runner.

4 Rain screen according to clause 1 and 2, wherein the covering section is connected to the extended top of the shaft which extended top can slide adjacent to the shaft and which extended top has its distal end hinged connected to the covering section and its proximal end connected to the runner.4 Rain screen according to clause 1 and 2, the covering section is connected to the extended top of the shaft which extended top can slide adjacent to the shaft and which extended top has its distal end hinged connected to the covering section and its proximal end connected to the runner.

5 Rain screen according to clauses 1-4, wherein two side flaps are connected to and provided between the web and the covering section.5 Rain screen according to clauses 1-4, where two side flaps are connected to and provided between the web and the covering section.

6 Rain screen according to clauses 1-5, wherein the covering section is supported by extra ribs with their proximal ends connected to the extended top of the shaft.6 Rain screen according to clauses 1-5, the covering section is supported by extra ribs with their proximal ends connected to the extended top of the shaft.

7 Rain screen according to clauses 1-6, comprising:7 Rain screen according to clauses 1-6, including:

a. a frame provided with a shaft which is connected to the seat tube and top tube of a man’s bicycle;a. frame provided with a shaft which is connected to the seat tube and top tube or a man's bicycle;

5 b. the connection of the shaft to the seat tube comprising a covering connection, in which the shaft freely translates, and which covering connection freely rotates around an axis perpendicular to the frame of the bicycle;5 b. the connection of the shaft to the seat tube including a covering connection, in which the shaft freely translates, and which covering connection freely rotates around an axis perpendicular to the frame of the bicycle;

c. the connection of the shaft to the top tube comprising a male-c. the connection of the shaft to the top tube including a male

10 female connection;10 female connection;

d. the male-female connection comprising a number of males and females, such that the connection is arranged to position shaft and rain screen.d. the male-female connection including a number of males and females, such that the connection is arranged to position shaft and rain screen.

15 8 Rain screen according to clauses 1-7, comprising a hinged arrangement of the shaft such that the frame is stowed away against the bicycle frame.15 8 Rain screen according to clauses 1-7, including a hinged arrangement of the shaft such that the frame is stowed away against the bicycle frame.

Titel: Verstelbaar twee-laags (rijwiel) regenschermTitle: Adjustable two-layer (bicycle) rain cover

ConclusiesConclusions

1 Deel 1, stand van de techniek.1 Part 1, state of the art.

De relevante literatuur genoemd in het onderzoek naar de stand van de techniek van 21 januari 2019 en 7 februari 2019 betreft octrooien:The relevant literature mentioned in the state-of-the-art research of 21 January 2019 and 7 February 2019 concerns patents:

c. DE 20 2015 004987 UI (Schmidt Thomas) 8 september 2015,c. DE 20 2015 004987 UI (Schmidt Thomas) 8 September 2015,

Belangrijke nieuwheidskenmerken van onderhavige uitvinding zijn de verlengde top van de steel en twee verlengde spanners van een inklapbaar regenscherm. Bovenstaande octooien a, d, e, f and g hebben geen betrekking op een inklapbaar regenscherm en bovenstaande octrooien b, c, en h die wel betrekking hebben op een inklapbaar regenscherm hebben geen verlengde steel en verlengde spanners die een overdekkend deel ondersteunen.Important novelty features of the present invention are the elongated tip of the stem and two elongated tensioners of a collapsible rain cover. Octo a, d, e, f and g above do not relate to a collapsible rain cover and the above patents b, c, and h that do relate to a collapsible rain cover do not have an extended handle and extended spanners that support an overlying part.

Deel 2, nieuwheidskenmerken.Part 2, novelty features.

Regenscherm gekenmerkt door:Rain cover characterized by:

a. een steel waaraan de ribben met hun proximale einden scharnierend zijn verbonden met de top van de steel;a stem to which the ribs with their proximal ends are hingedly connected to the top of the stem;

b. een schuif ingericht om te transleren ten opzichte van de steel tussen een eerste positie en een tweede positie;b. a slider adapted to translate with respect to the stem between a first position and a second position;

c. spanners, aan proximale zijde scharnierend verbonden met de schuif en aan, of vlak bij de distale zijde, scharnierend verbonden met de ribben, waarin:c. tensioners, hinged on the proximal side to the slider and on or near the distal side, hinged to the ribs, wherein:

i. wanneer de schuif transleert van de eerste positie naar de tweede positie, het vlies spant doordat de spanners distale einden van de ribben van de steel af duwen; en ii. wanneer de schuif transleert van de tweede positie naar de eerste positie distale, de spanners de distale einden van de ribben naar de steel toe trekken.i. when the slider translates from the first position to the second position, the web tensiones as the tensioners push distal ends of the ribs away from the stem; and ii. when the slider translates from the second position to the first distal position, the tensioners pull the distal ends of the ribs toward the stem.

d. een vlies dat ondersteund wordt door de ribben, waarin het vlies gekenmerkt wordt door een discontinuïteit tussen een eerste rib en een tweede rib om te voorzien in een hoofdopening;d. a web supported by the ribs, wherein the web is characterized by a discontinuity between a first rib and a second rib to provide a main opening;

e. een overdekkend deel tenminste gedeeltelijk op een afstand boven het onderliggende vlies tenminste gedeeltelijk in register met de hoofdopening waarin het overdekkend deel is verbonden met de top van de verlengde steel en de distale toppen van de verlengde spanners van de eerste en de tweede rib.e. a covering part at least partially at a distance above the underlying membrane at least partly in register with the main opening in which the covering part is connected to the top of the extended stem and the distal tips of the extended tensioners of the first and second rib.

2 Regenscherm volgens conclusie 1, waarin het overdekkend deel is verbonden met de top van de verlengde steel en de distale einden van de eerste en de tweede rib.The rain cover of claim 1, wherein the overlying portion is connected to the top of the extended stem and the distal ends of the first and second ribs.

3 Regenscherm volgens conclusie 1 en 2, waarin het overdekkende deel is verbonden met de top van de verlengde steel door een verbinding die is ingericht om te glijden relatief aan de eerste positie en de tweede positie van de schuif.A rain cover as claimed in claims 1 and 2, wherein the covering part is connected to the top of the extended handle by a connection adapted to slide relative to the first position and the second position of the slider.

4 Regenscherm volgens conclusie 1 en 2, waarin het overdekkende deel is verbonden met de top van de verlengde steel die langs de steel kan glijden en waarbij deze verlengde top van de steel aan zijn distale einde is verbonden met het overdekkende deel en aan zijn proximale einde is verbonden met de schuif.A rain cover as claimed in claims 1 and 2, wherein the covering part is connected to the top of the extended handle which can slide along the handle and wherein this extended top of the handle is connected at its distal end to the covering part and at its proximal end is connected to the slider.

5 Regenscherm volgens conclusies 1 - 4, waarin twee zij-flappen zijn verbonden met en voorzien tussen het vlies en het overdekkende deel.Rain cover according to claims 1-4, wherein two side flaps are connected to and provided between the fleece and the covering part.

6 Regenscherm volgens conclusies 1 - 5, waarin het overdekkende deel is ondersteund door extra ribben die met hun proximale einden zijn verbonden met de verlengde top van de steel.A rain cover as claimed in claims 1-5, wherein the covering part is supported by additional ribs which are connected with their proximal ends to the elongated tip of the stem.

7 Regenscherm volgens conclusies 1 - 6, gekenmerkt door:Rain cover according to claims 1 to 6, characterized by:

a. een frame dat is voorzien van een steel die is te koppelen aan de bovenhuis en de zitbuis van een herenfiets;a frame that is provided with a handle that can be coupled to the upper housing and the seat tube of a men's bicycle;

b. de koppeling van de steel aan de zitbuis is gekenmerkt door een omhullende verbinding waarin de steel vrij kan transleren, welke omhullende verbinding vrij kan roteren om een horizontale as loodrecht op het frame van het rijwiel;b. the coupling of the stem to the seat tube is characterized by an envelope connection into which the stem can freely translate, which envelope connection can rotate freely about a horizontal axis perpendicular to the frame of the bicycle;

c. de koppeling van de steel aan de bovenhuis is gekenmerkt door een mannetje-vrouwtje verbinding;c. the coupling of the stem to the upper housing is characterized by a male-female connection;

d. de mannetje-vrouwtje verbinding is gekenmerkt door een aantal mannetjes en een aantal vrouwtjes, zodanig dat de verbinding is ingericht om de positie van de steel en het regenscherm in te stellen.d. the male-female connection is characterized by a number of males and a number of females, such that the connection is adapted to adjust the position of the stem and the rain cover.

8 Regenscherm volgens conclusies 1 - 7, gekenmerkt door een scharnierende inrichting van de steel zodanig dat een ingeklapt frame kan worden opgeborgen tegen het frame van het rijwiel.A rain cover as claimed in claims 1 to 7, characterized by a hinged device of the handle such that a folded frame can be stored against the frame of the bicycle.

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Title:Title:

Two-layer rain screen attachable to a bikeTwo-layer rain screen attachable to a bike