US20040256824A1 - Cambering vehicle - Google Patents
Cambering vehicle Download PDFInfo
- Publication number
- US20040256824A1 US20040256824A1 US10/638,786 US63878603A US2004256824A1 US 20040256824 A1 US20040256824 A1 US 20040256824A1 US 63878603 A US63878603 A US 63878603A US 2004256824 A1 US2004256824 A1 US 2004256824A1
- Authority
- US
- United States
- Prior art keywords
- link
- trailing arms
- bracket
- cambering vehicle
- front column
- 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.)
- Abandoned
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K3/00—Bicycles
- B62K3/002—Bicycles without a seat, i.e. the rider operating the vehicle in a standing position, e.g. non-motorized scooters; non-motorized scooters with skis or runners
Definitions
- the present invention relates to a cambering vehicle of the type having a single front wheel extending from a vertical steering stem's lower extremity and two rear wheels, each attached to one of a pair of horizontal trailing arms pivotally attached to the steering stem.
- handlebars attach to the steering stem's upper extremity to permit manipulation of the single wheel.
- platforms for the user to stand on while operating the vehicle are platforms for the user to stand on while operating the vehicle.
- the cambering vehicle of the present invention also includes a novel structure which may be readily folded for storage or transport, for example.
- Another embodiment of the cambering vehicle of the present invention includes a novel crossbar member spanning the two trailing arms.
- Such conventional vehicles are generally operator propelled three wheeled vehicles comprising a front column having a steering shaft rotatably attached thereto, a front wheel attached to the bottom of the steering shaft, and a pair of laterally spaced rear wheels on trailing arms which are articulated to the front column. More complex vehicles also include additional elements, including brakes.
- cambering vehicles More recent of the conventional cambering vehicles are designed to be folded into a compact configuration for storage or transport, for example.
- Several of the prior art cambering vehicles fold at the connection of the steering stem and the trailing arms.
- Other vehicles have trailing arms with intermediate folding mechanisms. Such vehicles often suffer from the application of unwanted flexing within the trailing arm.
- folding mechanisms typically include quick-release type features, which may cause folding of the device at inadvertent times, or which may be difficult to operate.
- the trailing arms of conventional vehicles have their front ends rotatably or pivotally secured to the front column by utilizing an attachment fitting or shaft that is perpendicular to the front column.
- an attachment fitting or shaft that is perpendicular to the front column.
- the right trailing arm and thus the right rear wheel may also be forced or caused to be moved upwardly away from the ground, or may not be suitably contacted with the ground, such that the vehicle may not be stable as it travels along the sinusoidal path.
- a cambering vehicle for human propelled transport comprising an elongate front column; first and second pivot axles at the front column; a first trailing arm pivotally attached to the first pivot axle; a second trailing arm pivotally attached to the second pivot axle; first and second rear wheels associated with the first and second trailing arms; and a link, spaced from, and not connected to, the front column, wherein the link spans the first and second trailing arms.
- each of the trailing arms further comprise a pair of ears, where the link is attached to the trailing arms between each pair of ears.
- each pair of ears further comprises an aperture therethrough and the link further comprises orifices at each of its ends in registration with the apertures
- the cambering vehicle further comprising a pair of connection devices connecting the link to the ears through the orifices and the apertures at respective ends of the link.
- At least one of the connection devices may be a removable pin.
- a cover assembly may engage with the link.
- the cover assembly may be adapted to protect the first pin from being decoupled from the link when in a first position.
- the cover assembly may be rotatably engaged to the link.
- FIG. 1 is a perspective view of a cambering vehicle constructed in accordance with one embodiment of the present invention
- FIG. 2 is an exploded view of the cambering vehicle of FIG. 1;
- FIG. 3 is an enlarged partial exploded view of the cambering vehicle of FIG. 1;
- FIG. 4 is a side view of the cambering vehicle of FIG. 1;
- FIG. 5 is a top view of the cambering vehicle of FIG. 1;
- FIG. 6 is a front view of the cambering vehicle of FIG. 1;
- FIGS. 7 and 8 are enlarged partial side views illustrating the folding operation of the cambering vehicle of FIG. 1;
- FIG. 9 is a front view of a bracket which forms a part of the cambering vehicle of FIG. 1;
- FIGS. 10 and 11 are enlarged partial side views similar to FIGS. 7 and 8 respectively, illustrating the folding operation of the cambering vehicle of FIG. 1;
- FIG. 12 is a front view of the bracket forming a part of the cambering vehicle of the present invention, similar to FIG. 9, illustrating a second embodiment of the cambering vehicle;
- FIG. 13 is an exploded view of a cambering vehicle in accordance with a third embodiment of the present invention.
- FIG. 14 is a perspective view of the cambering vehicle of FIG. 13;
- FIG. 15 is a side view of the cambering vehicle of FIG. 13;
- FIG. 16 is a top view of the cambering vehicle of FIG. 13;
- FIG. 17 is a front view of the cambering vehicle of FIG. 13;
- FIG. 18 is a schematic view illustrating the operation of the cambering vehicle in accordance with the present invention.
- FIG. 19 is a partial exploded view illustrating a fourth embodiment of the cambering vehicle of the present invention.
- the steering shaft 30 may preferably be provided with a stem 33 retractably received therein and extendible outwardly therefrom, or adjustably secured to the steering shaft 30 with a device such as a quick release clamp 39 .
- the handle 34 is secured on top of the steering shaft 30 or on top of the stem 33 of the steering shaft 30 , if so provided.
- One or more, and preferably two, brake hand grips 35 are attached to the handle 34 for braking purposes, and are coupled to cables 36 respectively.
- the front column 2 may include an extension 21 attached to or extended from the front tube 20 , such as attached to the upper portion 22 of the front tube 20 .
- the extension 21 comprises an aperture 21 a for receiving a spring-biased latch device 23 .
- the spring-biased latch device 23 is attached to the extension 21 of the front tube 20 , and includes a latch pin 24 extendible through the aperture 21 a of extension 21 , downwardly toward the lower portion 25 of the front tube 20 .
- the bracket 7 includes an upper panel 72 having an orifice 73 formed therein in registration with aperture 21 a of extension 21 for receiving the latch pin 24 of the latch device 23 which may detachably or openly secure the upper panel 72 of the bracket 7 to the front tube 20 .
- the bracket 7 may be rotated to or away from the front tube 20 when the latch pin 24 of the latch device 23 is disengaged from the upper panel 72 of the bracket 7 , as shown in FIGS. 8 and 11.
- the latch device 23 comprises a circular cap 24 a with a threaded shaft 24 b extending therefrom.
- the orifice 73 of upper panel 72 may be tapped to matingly engage with the threaded shaft 24 b , such that twisting of the circular cap 24 a in a first direction will engage the threaded shaft within the orifice. Such engagement may be utilized to lock the bracket 7 , to place the cambering vehicle 1 in the assembled condition shown in FIGS. 7 and 10.
- the latch device 23 may be provided with an internal spring (not shown) mounted between the circular cap 24 a and the threaded shaft 246 , such that the threaded shaft 24 b is centered concentric with the spring.
- the spring may serve the purpose of causing the latch pin 24 to be released from the aperture 21 a and orifice 73 upon upward force exerted on the circular cap 24 a , but be retained therein absent an external force.
- the threaded shaft 24 b will remain within the aperture 21 a at all times during this alternate operation, even when the latch pin 24 is pulled from within the aperture 21 a and orifice 73 .
- the spring rate should be sufficiently low to permit a user to easily compress the spring to withdraw the latch pin 24 from the aperture 21 a and orifice 73 , but sufficiently high to retain the latch device 23 in a secure manner.
- the bracket 7 may be solidly secured to the front tube 20 with the spring-biased latch device 23 .
- the spring-biased latch device 23 may thus be used as a latching means or device to detachably secure the bracket 7 to the front tube 20 .
- the pivotal axes 76 of the socket openings 74 and/or the frames 75 are illustrated to be extended inclinedly and downwardly relative to the bracket 7 .
- the pivotal axes 76 of the socket openings 74 and/or the frames 75 may also be arranged in different inclination relative to the bracket 7 .
- the pivotal axes 76 of the socket openings 74 and/or the frames 75 may also be arranged to be extended inclinedly and upwardly relative to the bracket 7 .
- the fastener 55 may be covered by a shield (not shown) to prevent accidental removal of the fastener.
- the shield may be rotatably or slidably engaged to the link 50 , such that it may easily be removed to permit a user to remove the fastener 55 from the link.
- a chain, string or similar device may be utilized to secure the fastener 55 to the shield, or other component of the vehicle 1 , so it will not be lost upon removal.
- the operator alternates the shifting of his or her weight to the inside of each turning arc, to shift the center of mass to the inside of each arc.
- This shifting causes the front column 2 to be tilted relative to the ground, to result a series of accelerations pushing the vehicle forward in a sinusoidal path to attain a forward motion.
- the inclination of the pivot axles 78 relative to the bracket 7 or the front tube 20 respectively may cause or generate a different moving stroke of the vehicle as compared with the moving strokes of the conventional cambering vehicles, which typically include a pair of trailing arms having front ends rotatably secured to the front column with an attachment fitting or shaft that is perpendicular to the front column.
- the trailing arms 40 may be solidly secured to the front tube 20 at a working position or assembled condition, and to retain the vehicle in a tricycle-shaped cambering vehicle.
- the trailing arms 40 may be rotated or spaced away from each other when the link 50 is disengaged from the trailing arms 40 to place the vehicle 1 in the folded or storing position.
- the foldable structure of the trailing arms 40 toward or relative to the front column 2 allows the cambering vehicle to be folded to a compact folding or storing position.
- the cambering vehicle includes a left and a right trailing arm rotatably or pivotally attached to a front column with inclined axles, to allow the trailing arms and the rear wheels to be moved without being moved upwardly away from the ground, and to change the moving stroke of the vehicle.
- the trailing arms may also be folded relative to the front column between folding or storing positions and working positions.
- a cambering vehicle 101 in accordance with the third embodiment of the present invention comprises a front column 102 including a front tube 120 , a steering shaft 130 rotatably engaged or disposed concentrically within the front tube 120 , a front fork 131 attached to bottom of the steering shaft 130 to support a front wheel 132 , and a handle 134 supported on top of the steering shaft 130 .
- the steering shaft 130 may further include a stem 133 retractably received therein and extendible outwardly therefrom, or adjustably secured to the steering shaft 130 with various mechanisms, such as a quick release clamp 139 .
- the handle 134 is secured on top of the steering shaft 130 or on top of the stem 133 of the steering shaft 130 .
- One or more, for example two, brake hand grips 135 may be attached to the handle 134 for braking purposes, and are coupled to cables 136 respectively. As will be discussed, the cables 136 are routed to braking element 147 , respectively.
- the front column 102 includes two pivot axles 121 and 122 extended from the front tube 120 , and inclined from the horizontal relative to the front tube 120 .
- the pivot axles 121 and 122 may also be extended inclinedly upward relative to the front tube 120 .
- a left trailing arm and a right trailing arm 140 each include a front portion rotatably or pivotally attached to the front tube 120 of the front column 102 with the pivot axles 121 and 122 respectively.
- each of the trailing arms 140 includes a bushing 141 attached or provided on the front portion thereof, and rotatably attached onto the pivot axles 121 and 122 respectively, for rotatably or pivotally coupling the trailing arms 140 to the front tube 120 of the front column 102 .
- the front portions or the bushings 141 of the trailing arms 140 may be rotatably attached to the pivot axles 121 and 122 respectively with bearings 142 , washers 143 , gaskets or the like, and secured to the pivot axles 121 and 122 with fasteners 144 respectively, in order to solidly or stably couple the trailing arms 140 to the front tube 120 of the front column 102 .
- Each of the trailing arms 140 includes a rear wheel 145 rotatably attached to the rear end, a foot pedal 146 disposed thereon to support users.
- the cambering vehicle 101 may further include two brake devices 147 attached to the rear portions of the trailing arms 140 respectively, for braking the rear wheels 145 respectively.
- the brake hand grips 135 are coupled to the brake devices 147 with the cables 136 respectively in order to actuate the brake devices 147 to brake the rear wheels 145 .
- pivot axles 121 and 122 are illustrated or shown to be secured to or extended from the front tube 120 of the front column 102 respectively.
- the pivot axles 121 and 122 may also be provided on the front portions of the trailing arms 140 , and rotatably or pivotally attached to the front tube 120 of the front column 102 respectively with such as bushings (not shown) or the like that may be secured or extended inclinedly from the front tube 120 of the front column 102 .
- Each of the trailing arms 140 may include one or more ears 148 secured thereto or extended therefrom, where the ears 148 of the trailing arms 140 are facing toward each other.
- a cable or a line 150 includes two ends 151 to be pivotally or rotatably secured to the ears 148 of the trailing arms 140 with gaskets or bearings 153 or the like.
- One end 151 of the link 150 may be rotatably attached to the ears 148 of one of the trailing arms 140 with a pivot pin 149 , and the other end 151 of the link 150 may be rotatably and detachably coupled to the ears 148 of the other trailing arm 140 with a fastener (not shown), a latch pin 155 or the like.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- Body Structure For Vehicles (AREA)
- Handcart (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/638,786 US20040256824A1 (en) | 2003-06-23 | 2003-08-11 | Cambering vehicle |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/608,398 US6880840B2 (en) | 2003-06-23 | 2003-06-23 | Cambering vehicle having foldable structure |
US10/608,399 US6908090B2 (en) | 2003-06-23 | 2003-06-23 | Cambering vehicle having inclined pivot axle |
US10/638,786 US20040256824A1 (en) | 2003-06-23 | 2003-08-11 | Cambering vehicle |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/608,398 Continuation-In-Part US6880840B2 (en) | 2003-06-23 | 2003-06-23 | Cambering vehicle having foldable structure |
US10/608,399 Continuation-In-Part US6908090B2 (en) | 2003-06-23 | 2003-06-23 | Cambering vehicle having inclined pivot axle |
Publications (1)
Publication Number | Publication Date |
---|---|
US20040256824A1 true US20040256824A1 (en) | 2004-12-23 |
Family
ID=33424174
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/638,786 Abandoned US20040256824A1 (en) | 2003-06-23 | 2003-08-11 | Cambering vehicle |
US10/638,446 Expired - Fee Related US6908091B2 (en) | 2003-06-23 | 2003-08-11 | Cambering vehicle |
US10/638,449 Expired - Fee Related US6883814B2 (en) | 2003-06-23 | 2003-08-11 | Cambering vehicle |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/638,446 Expired - Fee Related US6908091B2 (en) | 2003-06-23 | 2003-08-11 | Cambering vehicle |
US10/638,449 Expired - Fee Related US6883814B2 (en) | 2003-06-23 | 2003-08-11 | Cambering vehicle |
Country Status (3)
Country | Link |
---|---|
US (3) | US20040256824A1 (fr) |
EP (1) | EP1491435A3 (fr) |
CN (1) | CN2709298Y (fr) |
Cited By (2)
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US20070096410A1 (en) * | 2005-11-03 | 2007-05-03 | Ohski, Llc | Tri Control Platform Device |
US20120043733A1 (en) * | 2010-08-19 | 2012-02-23 | Tong-Pei Tsai | Wiggling freewheeled vehicle |
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US7438297B2 (en) * | 2003-12-09 | 2008-10-21 | Products Of Tomorrow, Inc. | Ski attachment for a cambering vehicle |
US7011319B2 (en) * | 2004-05-06 | 2006-03-14 | Fa-Hsing Lu | Folding device of a scooter |
US7207407B2 (en) * | 2005-04-29 | 2007-04-24 | Hartmut Huber | Quick disconnect support bracket for a wheeled vehicle |
US7837209B2 (en) * | 2005-11-03 | 2010-11-23 | Adam Micheal Spencer | Tri-axial control device |
US7549655B2 (en) * | 2007-01-30 | 2009-06-23 | Jeeng-Neng Fan | Scooter |
US8020881B2 (en) * | 2008-11-11 | 2011-09-20 | Earl Stump | Mobility assistance apparatus |
US20100234186A1 (en) * | 2009-03-13 | 2010-09-16 | Jeeng-Neng Fan | Skate fitness car |
US20100320717A1 (en) * | 2009-06-23 | 2010-12-23 | Wen-Hung Huang | Tricycle with driving units |
GB201001463D0 (en) * | 2010-01-29 | 2010-03-17 | Quertin Marcel | Improved three-wheeled kick scooter |
US8505945B2 (en) * | 2011-03-02 | 2013-08-13 | Shane Chen | Three-wheeled scooter device |
CN202783561U (zh) | 2011-08-12 | 2013-03-13 | 斯马特脚踏车制造公司 | 三轮车及其转向轮 |
TWM438309U (en) * | 2012-03-30 | 2012-10-01 | Hsin Lung Accessories Co | Front tube return mechanism of scooter |
GB2519582B (en) * | 2012-10-29 | 2016-08-17 | Hsin Lung Access Co Ltd | A tricycle skate scooter |
EP2951080A1 (fr) | 2013-02-01 | 2015-12-09 | Radio Flyer, Inc. | Véhicule destiné à être chevauché propulsé par l'utilisateur |
CN103274003B (zh) * | 2013-06-05 | 2016-05-25 | 宁波溜溜童车有限公司 | 立式滑行车 |
US9873475B2 (en) * | 2014-07-10 | 2018-01-23 | Smart Trike Mnf Pte Ltd. | Ski scooter |
CN204527443U (zh) * | 2014-12-24 | 2015-08-05 | 范整能 | 滑行车 |
JP6626510B2 (ja) * | 2015-02-11 | 2019-12-25 | レイザー・ユーエスエー・エルエルシー | 回転接続部を備えたスクーター |
CN205769883U (zh) * | 2016-07-01 | 2016-12-07 | 盟倍力股份有限公司 | 卡扣结构 |
US9889368B1 (en) * | 2016-09-02 | 2018-02-13 | Shane Chen | Personal transportation device |
CN206644930U (zh) * | 2017-03-03 | 2017-11-17 | 国星智能(深圳)科技有限公司 | 一种儿童车的快拆转换装置 |
USD855116S1 (en) | 2017-09-12 | 2019-07-30 | Razor Usa Llc | Personal mobility vehicle |
DE102018000114B4 (de) * | 2018-01-10 | 2021-01-28 | Andreas ten Haaft | Fahrzeug mehrspurig und neigbar, mit Schiebe- und Mitfahr-Eigenschaften |
USD885987S1 (en) | 2018-04-17 | 2020-06-02 | Razor Usa Llc | Personal mobility vehicle |
USD987727S1 (en) * | 2021-05-05 | 2023-05-30 | Hsin Lung Accessories Co., Ltd. | Pedal scooter |
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- 2003-08-11 US US10/638,446 patent/US6908091B2/en not_active Expired - Fee Related
- 2003-08-11 US US10/638,449 patent/US6883814B2/en not_active Expired - Fee Related
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US20070096410A1 (en) * | 2005-11-03 | 2007-05-03 | Ohski, Llc | Tri Control Platform Device |
US20120043733A1 (en) * | 2010-08-19 | 2012-02-23 | Tong-Pei Tsai | Wiggling freewheeled vehicle |
US8328209B2 (en) * | 2010-08-19 | 2012-12-11 | Ching-Tsang Wu | Wiggling freewheeled vehicle |
Also Published As
Publication number | Publication date |
---|---|
EP1491435A3 (fr) | 2006-05-10 |
EP1491435A2 (fr) | 2004-12-29 |
US20040256823A1 (en) | 2004-12-23 |
US6883814B2 (en) | 2005-04-26 |
US20040094925A1 (en) | 2004-05-20 |
US6908091B2 (en) | 2005-06-21 |
CN2709298Y (zh) | 2005-07-13 |
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