WO2018027265A1 - Dispositif de fixation - Google Patents

Dispositif de fixation Download PDF

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Publication number
WO2018027265A1
WO2018027265A1 PCT/AU2017/050834 AU2017050834W WO2018027265A1 WO 2018027265 A1 WO2018027265 A1 WO 2018027265A1 AU 2017050834 W AU2017050834 W AU 2017050834W WO 2018027265 A1 WO2018027265 A1 WO 2018027265A1
Authority
WO
WIPO (PCT)
Prior art keywords
hook
frame
attachment device
roof rack
bicycle
Prior art date
Application number
PCT/AU2017/050834
Other languages
English (en)
Inventor
Sean Stoney
Stefan Wrobel
Original Assignee
Upside Racks Pty Ltd
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
Priority claimed from AU2016903102A external-priority patent/AU2016903102A0/en
Application filed by Upside Racks Pty Ltd filed Critical Upside Racks Pty Ltd
Priority to AU2017308512A priority Critical patent/AU2017308512A1/en
Publication of WO2018027265A1 publication Critical patent/WO2018027265A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R9/00—Supplementary fittings on vehicle exterior for carrying loads, e.g. luggage, sports gear or the like
    • B60R9/08—Supplementary fittings on vehicle exterior for carrying loads, e.g. luggage, sports gear or the like specially adapted for sports gear
    • B60R9/10—Supplementary fittings on vehicle exterior for carrying loads, e.g. luggage, sports gear or the like specially adapted for sports gear for cycles

Definitions

  • Embodiments generally relate to attachment devices for attaching an object to first and second roof rack bars of a vehicle, and associated methods of use.
  • some embodiments relate to a bike rack for attaching a bicycle to first and second roof rack bars of a vehicle.
  • roof rack is that of two cross bars which are fixed to the vehicle and run over the roof from one side to the other. These in turn allow other items and racks to be fixed to them enabling goods to be transported with the vehicle.
  • the cross bars are normally a length of a common section profile which can be any shape but predominantly they are rectangular, round, oval or aerofoil in shape.
  • Some embodiments relate to an attachment device for attaching an object to first and second roof rack bars of a vehicle, the device comprising:
  • At least one coupling portion coupled to the frame and configured to selectively couple the object to the frame;
  • At least one first hook coupled to the frame and configured to engage the first roof rack bar
  • At least one second hook coupled to the frame in opposition to the at least one first hook and configured to engage the second roof rack bar
  • the adjustment mechanism may comprise: a first sub- mechanism configured to allow relatively large adjustments of the distance to engage the first and second hooks with the respective first and second roof rack bars; and a second sub-mechanism configured to allow relatively small adjustments of the distance to tighten the hooks and fasten the frame to the vehicle.
  • the frame may define a track and the device may further comprise a carrier coupled to the at least one second hook and slidably engaged with the track, the track being oriented such that movement of the carrier along the track moves the at least one second hook towards or away from the at least one first hook.
  • the adjustment mechanism may comprise a threaded rod coupled to the frame such that the rod is free to rotate about a longitudinal axis of the rod relative to the frame, and the carrier may be configured to be threadedly engaged with the rod such that rotation of the rod causes movement of the carrier along the track thereby adjusting the distance between the at least one first hook and the at least one second hook.
  • the first sub-mechanism may comprise a pawl coupled to the carrier and configured to provide the threaded engagement of the carrier with the rod such that the carrier is free to move along the track to bring the at least one second hook towards the at least one first hook, but restricted from moving in the opposite direction, and the pawl can be selectively disengaged from the threaded rod to allow free movement of the carrier in either direction along the track.
  • the second sub- mechanism may comprise the threaded rod and a handle to allow manual rotation of the threaded rod.
  • the second sub-mechanism may further comprise a torque limiting mechanism to limit the amount of torque transferred from the handle to the threaded rod.
  • one or more of: the at least one first hook; and the at least one second hook may be mechanically linked to at least one of the at least one coupling portion such that tightening the first and second hooks onto the first and second roof rack bars has the effect of simultaneously tightening the at least one coupling portion onto the object.
  • the at least one coupling portion may be configured to couple the frame to a bicycle.
  • the at least one coupling portion may comprise two handlebar coupling portions spaced apart from each other and configured to couple a handlebar of the bicycle to the frame near the at least one first hook; and a seat coupling portion configured to couple a seat of the bicycle to the frame.
  • a distance between the seat coupling portion and the two handlebar coupling portions may be adjustable to suit different bicycles.
  • a distance between the two handlebar coupling portions may be adjustable to suit different bicycles.
  • the at least one first hook may comprise two first hooks spaced apart from each other.
  • the track may be formed in a main body of the frame.
  • the frame may comprise comprises two elongate arms pivotally connected to an end of the body such that the arms can be arranged alongside the body in a storage
  • Each of the two first hooks and each of the two handlebar coupling portions may be disposed at or near an end of a respective one of the arms distal from the pivotal connection to the body.
  • the attachment device may further comprise a locking mechanism to selectively set an angle of the arms relative to the body.
  • each of the two first hooks may be mechanically linked to a respective one of the two handlebar coupling portions such that tightening the first and second hooks onto the first and second roof rack bars has the effect of
  • Some embodiments relate to an attachment device for attaching a bicycle to first and second roof rack bars of a vehicle, the device comprising:
  • a Y-shaped frame including a body and two elongate arms extending away from an end of the body; a handlebar coupling portion disposed at or near a distal end of each arm and configured to couple the frame to a handlebar of the bicycle;
  • a seat coupling portion coupled to the body and configured to couple the frame to a seat of the bicycle
  • a first hook disposed at or near the distal end of each arm and configured to engage the first roof rack bar
  • a second hook coupled to the body and configured to engage the second roof rack bar
  • an adjustment mechanism to selectively move the second hook towards or away from the first hooks to allow the frame to be coupled to the first and second roof rack bars.
  • the arms may be pivotally connected to the body to allow the arms to be folded alongside the body in a storage configuration, and the device may further comprise a locking mechanism to set an angle of the arms with respect to the body.
  • the arms may be mechanically linked to each other such that they rotate towards and away from the body at equal and opposite rates of rotation.
  • a position of the seat coupling portion may be adjustable along a length of the body to allow the frame to be coupled to different bicycles.
  • Some embodiments relate to a method of coupling a bicycle to first and second roof rack bars of a vehicle, the method comprising: first coupling a frame of an attachment device to a handlebar and seat of the bicycle; and subsequently coupling the frame to the first and second roof rack bars with the bicycle in an inverted orientation.
  • Some embodiments relate to a method of coupling a bicycle to first and second roof rack bars of a vehicle using an attachment device, the method comprising: first coupling the attachment device to the bicycle; and subsequently coupling the attachment device to the first and second roof rack bars.
  • Fig. 1 is an exploded view of an attachment device according to some embodiments
  • Fig. 2A shows a gear mechanism that controls equal and opposite movement of folding arms of the attachment device in an extended operating configuration
  • Fig. 2B shows the gear mechanism of Fig. 2A with the arms in a storage configuration folded alongside a body of the attachment device;
  • FIG. 3 is a perspective view of the attachment device of Fig. 1 in the folded storage configuration
  • Fig. 4a is a perspective view of the attachment device of Fig. 1 in the unfolded operating configuration
  • Fig. 4b is a top plan view of the attachment device of Fig. 1 in the unfolded operating configuration
  • Fig. 5a shows a bar clamp mechanism of the attachment device of Fig. 1 in a natural position, according to some embodiments
  • Fig. 5b shows the bar clamp mechanism of Fig.5a in a held open position with the clamp partially surrounding part of a handlebar of a bicycle;
  • Fig. 5c shows the bar clamp mechanism of Fig.5a in a held to handlebar position coupling the attachment device to the bicycle
  • Fig. 5d shows the bar clamp mechanism of Fig.5a in a secured to handlebar position with a force G being applied to a lever of the clamp to tighten the clamp onto the handlebar;
  • Fig. 6a shows a front perspective view of the attachment device of Fig. 1 coupled to a bicycle
  • Fig. 6b shows a rear perspective view of the attachment device of Fig. 1 coupled to the bicycle;
  • Fig. 7a shows a rear perspective view of the bicycle coupled to roof rack bars by the attachment device of Fig. 1;
  • Fig. 7b shows a front perspective view of the bicycle coupled to roof rack bars by the attachment device of Fig. 1;
  • Fig. 8a shows a sliding hook and track formed in a body of the attachment device of Fig. 1 in a natural position, according to some embodiments
  • Fig. 8b shows the sliding hook of Fig. 8a sliding along the track to meet a roof rack bar
  • Fig. 8c illustrates operation of an adjustment mechanism to tighten the sliding hook against the roof rack bar by rotating a handle
  • Fig. 8d shows a perspective view of the sliding hook and adjustment mechanism without the body revealing the sliding hook engaged with a threaded rod
  • Fig. 8e shows a side view of the sliding hook and adjustment mechanism without the body to illustrate how rotation of the handle causes the sliding hook to move along the threaded rod to tighten the sliding hook against the roof rack position
  • Fig. 8f shows a side view of the sliding hook and adjustment mechanism without the body to illustrate operation of a release mechanism to allow the sliding hook to be disengaged from the threaded rod
  • Fig. 9a is a perspective view of the body and handle of Fig. 8a;
  • Fig. 9b is a perspective view of the handle and rod of Fig. 8d showing a bearing configured to pivotally couple the threaded rod to the body;
  • Fig. 9c is another perspective view of the handle and rod of Fig. 8d with a top half of the bearing removed;
  • Fig. 9d is a perspective view of the rod and adjustment mechanism of Fig. 8d without the handle showing a torque limiting clutch mechanism to limit the transfer of torque from the handle to the threaded rod, according to some embodiments;
  • Fig. 9e is a close up perspective view of the torque limiting clutch mechanism of Fig. 9d illustrating operation of the adjustment mechanism below a threshold torque limit of the clutch mechanism;
  • Fig. 9f is a close up perspective view of the torque limiting clutch mechanism of Fig. 9d illustrating operation of the adjustment mechanism above the threshold torque limit of the clutch mechanism;
  • Figure 10 shows a perspective view of a seat coupling portion of the attachment device of Fig. 1, according to some embodiments
  • Figure 11 shows a perspective view of a seat coupling portion of an attachment device according to some embodiments.
  • Figure 12A shows a perspective view of a clamp mechanism of an attachment device in a disassembled state, according to some embodiments;
  • Figure 12B shows a perspective view of the clamp mechanism of Figure 12A in an assembled configuration;
  • Figures 13 A to 13D illustrate the operation of the clamp mechanism of Figure 12A
  • Figure 14 shows a perspective view of a crank handle and lock of an attachment device, according to some embodiments.
  • Figure 15 shows a perspective view of a sliding hook and pawls in a disassembled configuration
  • Figures 16A to 16B illustrate the operation of the adjustment mechanism of an attachment device with the crank handle of Figure 14 and the sliding hook and pawls of Figure 15 in an assembled configuration.
  • Embodiments generally relate to attachment devices for attaching an object to first and second roof rack bars of a vehicle, and associated methods of use.
  • the attachment device may be configured to attach a cargo pod or capsule to a vehicle.
  • the attachment device may be configured to attach other apparatus or equipment to a vehicle, such as sporting equipment, kayaks, canoes, skis, snowboards or bicycles, for example.
  • some embodiments relate to an attachment device or bike rack for attaching a bicycle to first and second roof rack bars of a vehicle.
  • an attachment device 100 for attaching an object to first and second roof rack bars of a vehicle is shown according to some embodiments.
  • the device 100 may comprise a frame 102; at least one coupling portion 106 coupled to the frame and configured to selectively couple the object to the frame; at least one first hook 6 coupled to the frame and configured to engage the first roof rack bar; at least one second hook 9 coupled to the frame in opposition to the at least one first hook and configured to engage the second roof rack bar; and an adjustment mechanism 104 configured to selectively increase or decrease a distance between the at least one first hook and the at least one second hook allowing the frame to be removably coupled to the vehicle by tightening the mechanism to draw the at least one first hook towards the at least one second hook to engage the first and second roof rack bars respectively.
  • the frame 102 of the attachment device or bike rack 100 may comprise folding arms [part 2] that unfold from a body or main arm [part 1].
  • the frame 102 may be mounted to the bike before installation on the roof of the car.
  • the folding arms [part 2] connect to the main arm [part 1] with a gear mechanism that controls equal and opposite rotation of the folding arms and provides a direct strong connection between the three parts.
  • the gear mechanism is designed such that the folding arms [part 2] can be moved in a range that allows fitment to all common bike handlebars as shown in Figure 4b. This includes the narrowest road bike (250mm dimension) up to the widest mountain bike handlebar (800mm dimension).
  • the dimension range 600 - 920 shown in Figure 4b is designed such that the total folded unit is compact and the installed rack is able to fit on most common cross bar installations.
  • the mechanism which controls the folding arm movement consists of two gears [part 3] (further detailed in Figure 2). These gears are designed to be made of any suitable material, such as a strong, self-lubricating plastic with the same or similar properties to Acetal, for example. Drawings to show the folded and unfolded rack are shown in Figure 3, Figure 4a and Figure 4b respectively.
  • the arms are designed to be made of a lightweight, stiff and strong material like aluminium, for example, that can bridge the gap between the handlebars and seat of the bike as well as the cross bars of the roof racks whilst holding the loads present in use.
  • the folding arms [part 2] have handlebar coupling portions or levering bar clamps [part 106] fixed to their end which install on the handlebars holding the rack to the bike at one end.
  • Figures 5A to 5D show the full operation of the bar clamp.
  • the lever is pressed (shown as force A in figure 5b) which will open the handlebar engagement gap 24-46mm in order to allow the clamp to be placed over all common handlebars B, the lever is then released thus enabling the clamp to hold the rack to the handlebar.
  • force D pivots about point E and provides a clamping force F (shown in figure 5c) thereby holding the rack to the bike handlebar.
  • the clamp materials are designed to be a combination of strong materials including Nylon and Aluminium, for example, as well as soft, conformable materials including TPE and elastomer, for example. In this way it has a secure but gentle grip of the handlebar.
  • the clamps 106 may each comprise a spring 7 to bias the clamps 106 to a closed configuration as shown in Figures 12A and 12B.
  • the clamps 106 may be opened by pushing the lever or hook 6 towards the folding arms 2 as shown in figure 13B.
  • the clamps 106 may then be placed over the handlebars of a bicycle and closed by releasing the hook 6 allowing the springs 7 to close the clamps 106 around the handle bars.
  • a seat coupling portion or seat clamp [part 5], shown in Figure 10 is used to complete the fitment of the rack to the bike.
  • Figure 6a and Figure 6b show the rack fitted to the bike, where the strap component of seat clamp [part 5] is fed around the underside of the seat behind the seat pole. Then one of the strap holes, depending on the seat size, is secured over the nob to complete the clamp on the seat of the bicycle.
  • the seat clamp is designed to be a made from a combination of strong materials including Nylon and Aluminium, for example, as well as soft, conformable materials including TPE and elastomer, for example. In this way it has a secure but gentle grip of the bike seat.
  • the seat clamp [part 5] may be designed with an opening width of approximately 52mm so that all bike seats can slide into it but not all the way through it.
  • the strap may be integrally formed with a main body of the seat clamp [part 5], as shown in Figure 10.
  • the strap may be separable from the main body of the seat clamp [part 5], as shown in Figure 11.
  • the seat clamp [part 5] can slide up and down the main arm [part 1] as well as rotate. This enables fitment of the rack to bikes of varying sizes as well as varying seat heights and angles relative to handlebar positions. This completes the installation of the rack to the bike so that it is now ready to install onto a vehicle with cross rail roof racks.
  • FIG. 7a and Figure 7b show the bike and rack installed on the cross bars of a vehicle roof rack.
  • the bar clamps [part 106] each have a first hook 6 that can now hook under one of the cross bars.
  • the next installation step is tightening the sliding hook longitudinally against one of the cross bars with the adjustment mechanism 104.
  • the longitudinal tightening of the sliding hook [part 9] is accomplished by two actions as shown in figure 8.
  • One action is sliding the sliding hook [part 9] by direct action (shown as force A in Figure 8b) on the sliding hook [part 9], pushing it up against the cross bar.
  • pawls [part 12] ratchet over the thread of a threaded rod [part 19] to allow movement in this direction but do not allow movement in the other direction.
  • This can be further tightened by turning (shown as torque B in Figure 8e) the crank handle [part 10] which turns the threaded rod [part 19] and thereby forces (shown as force C in Figure 8e) the sliding hook [part 9] tighter against the cross bar.
  • the pawls 12 may be disengaged from the threaded rod 19 by engaging the release lever 13 to urge the pawls 12 apart, as shown in Figure 8D.
  • each of the pawls 12 may be connected to a corresponding release lever 13 with an end of each lever forming a button 13 a, as shown in Figures 15 and 16A to 16C.
  • the levers 13 may be hingedly coupled to one another such that the pawls 12 are urged away from each other when the buttons 13a and levers 13 are pushed towards each other, as shown by arrows (E) in Figure 16C. In this way, the pawls 12 may be disengaged from the threaded rod 19 to allow the sliding hook 9 to slide along the track.
  • crank handle [0067] The turning action of the crank handle is torque limited by input and output gears [part 16] of the torque limiting clutch. If the clutch experiences over-load, the input gear will ramp up the tooth of the output gear, overcoming the force of the clutch spring [part 17] to click over to the next tooth. This action is shown in detail in Figure 9e and Figure 9f.
  • Input torque from the crank handle [part 10] (shown as rotation A in Figure 9e and 9f) turns the input gear (shown as rotation B in Figure 9e and Figure 9f) which also turns the output gear (shown as rotation C in Figure 9e and 9f).
  • the pawls and clutch parts may be designed to be made of any suitable material, such as a strong, self-lubricating plastic with the same or similar properties to Acetal, for example.
  • the other components in this mechanism can be made of any suitable plastics and metals of appropriate grades and physical properties for the expected design loads.
  • the pawls 12 may be restricted from being disengaged from the threaded rod 9. Therefore, in some embodiments, it may be necessary to at least partially loosen the adjustment mechanism 104 to at least partially release the tension in the threaded rod 19 and allow the pawls 12 to be released.
  • the adjustment mechanism 104 may comprise a lock 107 to selectively restrict the adjustment mechanism 104 from being loosened.
  • the lock 107 may selectively engage and disengage the crank handle 10 with the threaded rod 19, such that when it is desired to lock the attachment device 100 onto the roof racks, the adjustment mechanism 104 can be tightened and then the lock 107 adjusted to disengage the crank handle 10 from the threaded rod 19 so that the adjustment mechanism 104 cannot be loosened by turning the crank handle.
  • the lock 107 may comprise a mechanical lock.
  • the lock 107 may comprise an electronic lock 107.
  • the lock 107 may comprise a latch configured to engage a keyed member such as a dog clutch 108 coupled to the threaded rod 19, as shown in Figure 14.
  • the latch 107 may be selectively engaged and disengaged from the dog clutch 108 by operating a motor 109.
  • the motor 109 may be operated by RFID (Radio Frequency Identification) activation of a controller 110 configured to receive a signal from an electronic key (not shown) and operate the motor 109 in response to the received signal to selectively lock and unlock the adjustment mechanism 104.
  • the position of the latch 107 may be adjusted with a mechanical lock and key mechanism, for example.
  • the embodiments described herein may provide a compact and portable attachment device that can be installed and removed quickly and easily. They may also enable the attachment of various types and sizes of bikes to various roof rack types.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)

Abstract

Des modes de réalisation concernent généralement des dispositifs de fixation permettant de fixer un objet, tel qu'une bicyclette, par exemple, à des première et seconde barres de galerie de toit d'un véhicule, et des procédés d'utilisation associés. Certains modes de réalisation concernent un dispositif de fixation permettant de fixer un objet à des première et seconde barres de galerie de toit d'un véhicule, le dispositif comprenant : un cadre ; au moins une partie d'accouplement accouplée au cadre et configurée pour accoupler sélectivement l'objet au cadre ; au moins un premier crochet accouplé au cadre et configuré pour entrer en prise avec la première barre de galerie de toit ; au moins un second crochet accouplé au cadre en opposition audit premier crochet et configuré pour entrer en prise avec la seconde barre de galerie de toit ; et un mécanisme de réglage configuré pour augmenter ou réduire sélectivement une distance entre ledit premier crochet et ledit second crochet. Le mécanisme de réglage permet au cadre d'être accouplé de manière amovible au véhicule par le serrage du mécanisme pour tirer ledit premier crochet en direction dudit second crochet pour entrer respectivement en prise avec les première et seconde barres de galerie de toit.
PCT/AU2017/050834 2016-08-08 2017-08-08 Dispositif de fixation WO2018027265A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2017308512A AU2017308512A1 (en) 2016-08-08 2017-08-08 "attachment device"

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2016903102A AU2016903102A0 (en) 2016-08-08 Attachment Device
AU2016903102 2016-08-08

Publications (1)

Publication Number Publication Date
WO2018027265A1 true WO2018027265A1 (fr) 2018-02-15

Family

ID=61160961

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU2017/050834 WO2018027265A1 (fr) 2016-08-08 2017-08-08 Dispositif de fixation

Country Status (2)

Country Link
AU (1) AU2017308512A1 (fr)
WO (1) WO2018027265A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4022362A (en) * 1975-12-18 1977-05-10 Revercomb Jess G Bicycle carrier
FR2404549A1 (fr) * 1977-09-29 1979-04-27 Ipill Sas Dispositif d'immobilisation et de fixation pour cycles en particulier pour amarrer les bicyclettes sur le toit des vehicules automobiles
US4219142A (en) * 1979-04-27 1980-08-26 Roger Macpherson Bicycle rack for autos
DE3526639A1 (de) * 1985-07-25 1987-02-05 Evelyn Konopka Kunststoffverar Dachstaendereinheit
WO2009158360A1 (fr) * 2008-06-23 2009-12-30 Yakima Products, Inc. Support de galerie permettant d'assujettir des traverses sur le toit d'un véhicule

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4022362A (en) * 1975-12-18 1977-05-10 Revercomb Jess G Bicycle carrier
FR2404549A1 (fr) * 1977-09-29 1979-04-27 Ipill Sas Dispositif d'immobilisation et de fixation pour cycles en particulier pour amarrer les bicyclettes sur le toit des vehicules automobiles
US4219142A (en) * 1979-04-27 1980-08-26 Roger Macpherson Bicycle rack for autos
DE3526639A1 (de) * 1985-07-25 1987-02-05 Evelyn Konopka Kunststoffverar Dachstaendereinheit
WO2009158360A1 (fr) * 2008-06-23 2009-12-30 Yakima Products, Inc. Support de galerie permettant d'assujettir des traverses sur le toit d'un véhicule

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