US20160001834A1 - Device for enhanced safety in using a side stand for parking of two wheeled vehicle - Google Patents

Device for enhanced safety in using a side stand for parking of two wheeled vehicle Download PDF

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Publication number
US20160001834A1
US20160001834A1 US14/755,003 US201514755003A US2016001834A1 US 20160001834 A1 US20160001834 A1 US 20160001834A1 US 201514755003 A US201514755003 A US 201514755003A US 2016001834 A1 US2016001834 A1 US 2016001834A1
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US
United States
Prior art keywords
side stand
wheeled vehicle
base plate
holding member
integrated circuit
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
Application number
US14/755,003
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English (en)
Inventor
Divya Ramraika
Saurabh Madhu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Star Engineers (i) Pvt Ltd
Original Assignee
Star Engineers (i) Pvt 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
Application filed by Star Engineers (i) Pvt Ltd filed Critical Star Engineers (i) Pvt Ltd
Publication of US20160001834A1 publication Critical patent/US20160001834A1/en
Priority to US15/372,860 priority Critical patent/US10029753B2/en
Abandoned legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62H—CYCLE STANDS; SUPPORTS OR HOLDERS FOR PARKING OR STORING CYCLES; APPLIANCES PREVENTING OR INDICATING UNAUTHORIZED USE OR THEFT OF CYCLES; LOCKS INTEGRAL WITH CYCLES; DEVICES FOR LEARNING TO RIDE CYCLES
    • B62H1/00—Supports or stands forming part of or attached to cycles
    • B62H1/02—Articulated stands, e.g. in the shape of hinged arms

Definitions

  • the present invention relates to two wheeler stands.
  • this invention relates to a device for providing improved safety in using a side stand for parking the two wheeled vehicle.
  • Support stands are typically used to position a two wheeled vehicle in stationary position when not being driven by a rider. These stands have to be pushed open or extended from a closed inactive position to an open active position adapted to support the weight of the vehicle in a parked state.
  • the centre stand of a two wheeler keeps the vehicles while parked, in plane normal to the ground level as compared to a slightly tilted position achieved while using a side stand. Both these stands are provided with stoppers to limit the movement of the stand with reference to the vehicle frame.
  • a typical side stand for a two wheeler consists of bracket fastened to the frame of the vehicle, between the front wheel and rear wheels. The bracket is provided with a pivoted joint consisting of a swiveling support leg assembly. A spring is used to keep the leg assembly in a substantially horizontal position raised and away from the ground level, to prevent the stand from accidentally opening whilst the vehicle is in motion. Starting and riding a two wheeler with the side stand in a deployed state can lead to accidents and injuries to the rider and also to the bystanders.
  • U.S. Pat. No. 4,016,538 discloses a “Safety device for a motorcycle”. This device actuates the horn of a motorcycle if the side stand is down, the ignition is on, and the motorcycle is in the driving position using a mercury contact switch which is activated by the tilted position of the motor cycle when parked using a side stand and another switch mechanically connected to the stand. The horn is activated when the driver turns the ignition and brings the motor cycle to a substantially vertical position without putting up the side stand.
  • the use of contact type switches and mercury filled position switch, acting in unison, to activate a sound alarm is subject to wear and tear due to physical contact, electrical arcing, leakage of mercury and abrasion due to inclusion of dust particles.
  • U.S. Pat. No. 6,733,025 discloses a “Motorcycle stand control mechanism”.
  • This is a motorcycle stand control device having a rotor adapted to rotate when the wheels of the motorcycle is rotating.
  • the rotor is provided with a set of magnets alternatively arranged around the periphery of the rotor and a circuit board having sensor adapted to act with the magnets and to output a corresponding control signal to turn the motorcycle stand of the motorcycle subject to the status of the rotary driven member.
  • This device consists of many mechanical components like rotating wire positioned in a flexible cable to transmit the drive, direct current motor and gear drive to retract the side stand leg support. All these components are subject to high degree of mechanical wear and tear and the components that are exposed to the road surface and are likely to be damaged in inclement weather conditions and also not suitable for rough and rocky terrains.
  • U.S. Pat. No. 6,918,607 discloses a “Side stand device”.
  • This device consists of a rotary switch which attempts to prevent transmission of vibrations from a body frame to a rotary switch to reliably maintaining the function and performance of the rotary switch.
  • the rotary switch is provided in coaxial relationship with the side stand through a pivot bolt and a securing bolt.
  • a sheet is interposed between the rotary switch and the pivot bolt, and a tube and a sheet are interposed between the rotary switch and the securing bolt.
  • the sheets and the tube are formed from rubber members.
  • a cushion member is interposed between an engaging member of an inner rotor in the rotary switch and a locking hole of the side stand.
  • the cushion member is formed from a rubber member.
  • U.S. Pat. No. 7,631,885 discloses an “Intelligent interlock for a motorcycle stand”.
  • This device consists of a side stand movable between an extended position in which the stand supports the motorcycle and a retracted position.
  • the motorcycle includes a sensor to generate a signal to indicate the extended or retracted position of the side stand; a gear position sensor to generate signal about the neutral state or the non-neutral state of the transmission gears; a vehicle speed sensor to detect the speed of the motorcycle and a controller programmed for monitoring of the stand signal and for preventing operation of the engine when one of the gear position sensor and the vehicle speed sensor fails to communicate successfully with the controller, preventing operation of the engine being dependent upon the stand signal and an output of the other of the gear position sensor and the vehicle speed sensor.
  • the stand position sensor is a Hall-effect sensor mounted externally and operates to sense the presence of the side stand in the retracted position by sensing a magnet or ferrous material of the side stand.
  • the use of three different sensors and external mounting of the stand position sensor are likely to be damaged in inclement weather conditions, presence of magnets or ferrous particles and are also not suitable for rough and rocky terrains.
  • An object of this invention is to provide a device that improves safety in using a side stand for parking the two wheeled vehicle.
  • Still another object of this invention is to provide a safety device that positively indicates the deployment of the side stand of a two wheeler.
  • Yet another object of this invention is to provide a safety device that is adapted to function even in adverse atmospheric conditions and in inclement weather.
  • Yet another object of this invention is to provide a safety device that is free from wear and tear of the components and adapted to function accurately repeatedly.
  • Yet another object of this invention is to provide a safety device that can function even at high ambient temperatures.
  • Yet another object of this invention is to provide a safety device that is easy to install.
  • Yet another object of this invention is to provide a safety device that does not require periodic servicing or maintenance to be carried out.
  • FIG. 1 is the three dimensional view of the side stand of a two wheeler provided with the safety device in accordance with this invention, depicted in an operative position of the side stand;
  • FIG. 2 is the exploded view of the side stand of a two wheeler provided with the safety device in accordance with this invention, as shown in FIG. 1 ;
  • FIGS. 3 and 4 are the elevation and side elevation of the side stand of a two wheeler provided with the safety device in accordance with this invention, as shown in FIG. 1 , depicted in an operative position of the side stand;
  • FIG. 5 is the sectional view of the side stand of a two wheeler provided with the safety device in accordance with this invention, as shown in FIG. 3 , depicted in an operative position of the side stand;
  • FIGS. 6 and 7 are the elevation and side elevation of the side stand of a two wheeler provided with the safety device in accordance with this invention, as shown in FIG. 1 , depicted in an inoperative position of the side stand;
  • FIG. 8 is the sectional view of the side stand of a two wheeler provided with the safety device in accordance with this invention, as shown in FIG. 6 , depicted in an inoperative position of the side stand;
  • FIGS. 9 and 10 are the elevation and the end view of the base plate of the safety device in accordance with this invention as shown in FIG. 1 ;
  • FIG. 11 is the three dimensional view of the housing of the safety device in accordance with this invention as shown in FIG. 1 ;
  • FIGS. 12 and 13 are the elevation and sectional view of the plate holder of the safety device in accordance with this invention as shown in FIG. 1 ;
  • FIGS. 14 and 15 are the plan and elevation of the fastener of the safety device in accordance with this invention as shown in FIG. 1 ;
  • FIGS. 16 and 17 are elevation and end view of the printed circuit board of the safety device in accordance with this invention as shown in FIG. 1 ;
  • FIG. 18 is the functional diagram of the programmable mixed signal CMOS technology Hall-effect sensor used in the safety device in accordance with this invention as shown in FIG. 1 .
  • a safety device for a side stand mounted on a two wheeled vehicle comprising:
  • a base plate adapted to be fastened to the frame of the two wheeler between the wheels centers, said base plate provided with specific peripheral cut out having two edges defining an included angle “X” between said edges; a holding member defining a first surface, an integral coaxial annular disc, a circular cavity and an arcuate cut out; said holding member pivot-ably mounted on the base plate; a move-able element rigidly mounted on said first surface of the holding member; a housing comprising a circular disc having an integral circular side wall defining a cavity provided with a central cylindrical projection normal to the circular disc; said central cylindrical projection defining at least three cylindrical locating regions; said circular disc provided with at least two spaced apart locating pins; said housing removably fastened to the base plate; an integrated circuit unit comprising a sensor unit, resistors-capacitors and pad connector points; said integrated circuit unit provided at least two mounting locations; in an assembled configuration the integrated circuit unit adapted to mount in said housing so as maintain specific orientation and locational accuracy with reference to the first locating region, mounting locations and
  • the included angle “X” is preferably more than 90 degrees but less than 125 degrees.
  • the move able element is a permanent magnet selected from a group of permanent magnets consisting of Alnico, Samarium-Cobalt, Neodymium-Iron-Boron magnets.
  • the integrated circuit unit is mounted on a rigid polymer base and covered with protective coating.
  • the sensor unit is a programmable digital Hall effect sensor.
  • the safety device of this invention is adapted to be retrofitted to a two wheeled vehicle.
  • the present invention relates to a safety device for the side stand of a two wheeler which overcomes the limitations hitherto encountered in existing devices employed for preventing accidents and injuries in using the side stand of the two wheeler.
  • the safety device for the side stand of a two wheeler in accordance with this invention is indicated generally by the reference numeral 100 .
  • the safety device for the side stand of a two wheeler ( 100 ) comprises a base plate ( 1 ) adapted to be fastened to the frame (not specifically shown) of the two wheeler between the wheels centers.
  • the base plate ( 1 ) is provided with a pivot able support element ( 6 ).
  • a housing ( 4 ) is provided to secure the components of the safety device ( 100 ).
  • FIG. 2 is the exploded view of the safety device for the side stand of a two wheeler ( 100 ) comprising base plate ( 1 ); a holding member ( 2 ); a move-able element ( 3 ); a housing ( 4 ); an integrated circuit unit ( 5 ); a support element ( 6 ); and a fastener element ( 7 ).
  • the holding member ( 2 ) and the support element ( 6 ) are pivot ably secured to base plate ( 1 ) by the fastener element ( 7 ).
  • the move-able element ( 3 ) is rigidly secured to the holding member ( 2 ).
  • the integrated circuit unit ( 5 ) positioned within the housing ( 4 ).
  • the housing ( 4 ) is removably fastened to the base plate ( 1 ) of the safety device for the side stand of a two wheeler ( 100 ).
  • the safety device for the side stand of a two wheeler ( 100 ) is in an operative swiveled open position of the support element ( 6 ).
  • this operative condition (refer FIG. 5 ) the move-able element ( 3 ) positioned in close proximity of the integrated circuit unit ( 5 ).
  • a sensor (not specifically shown in this view) embedded in the integrated circuit unit ( 5 ) is adapted to sense the relative position of the move-able element ( 3 ) and generate an output signal to indicate of the operative swiveled open position of the support element ( 6 ).
  • the safety device for the side stand of a two wheeler ( 100 ) is in an inoperative swiveled close position of the support element ( 6 ).
  • the move-able element ( 3 ) is positioned angularly displaced to be relatively away from the integrated circuit unit ( 5 ).
  • the sensor (not specifically shown in this view) embedded in the integrated circuit unit ( 5 ) is adapted to sense the relative position of the move-able element ( 3 ) and generate an output signal to indicate of the inoperative swiveled closed position of the support element ( 6 ).
  • the base plate ( 1 ) of the safety device for the side stand of a two wheeler ( 100 ) is provided with circular opening ( 15 ) adapted to receive the fastener element ( 7 ) (not specifically shown).
  • the base plate ( 1 ) is also provided with specific peripheral cut out having two edges ( 17 ) and ( 19 ) defining an included angle “X” between said edges.
  • the fastener element ( 7 ), the holding member ( 2 ) and the support element ( 6 ) are adapted to be angularly displaced with reference to the centre of said circular opening ( 15 ). Said displacement limited within the included angle “X” defined by edges ( 17 ) and ( 19 ).
  • the housing ( 4 ) of the side stand of a two wheeler ( 100 ) comprises of a circular disc ( 25 ) provided with an integral circular side wall ( 27 ) so as to define a cavity provided with a central cylindrical projection ( 31 ) normal to the circular disc ( 25 ).
  • the central cylindrical projection ( 31 ) defining three cylindrical locating regions ( 33 ) ( 35 ) and ( 37 ) having different diameters.
  • the cylindrical locating regions ( 33 ) ( 35 ) and ( 37 ) are adapted to locate and position the integrated circuit unit ( 5 ), the holding member ( 2 ) and the fastener element ( 7 ) respectively, so as to maintain concentricity and air gap of the assembled components in an inoperative swiveled closed position and in an operative swiveled open position of the support element ( 6 ).
  • Two spaced apart locating pins ( 39 ) provided on the circular disc ( 25 ) are adapted to locate the integrated circuit unit ( 5 ).
  • the circular side wall ( 27 ) is provided with an ingress opening ( 41 ) for cable harness connection to the integrated circuit unit ( 5 ).
  • the holding member ( 2 ) of the safety device for the side stand of a two wheeler ( 100 ) is an arcuate member provided with a circular opening defining a first surface ( 45 ) provided with an integral coaxial annular disc ( 47 ) adapted to engage and coaxially locate the holding member ( 2 ) in the cylindrical locating region ( 35 ) of the cylindrical projection ( 31 ) provided on the housing ( 4 ) of the safety device for the side stand of a two wheeler ( 100 ).
  • the holding member ( 2 ) further defining a circular cavity ( 49 ) adapted to coaxially locate the a fastener element ( 7 ) and an arcuate cut out ( 51 ) adapted to locate the support element ( 6 ).
  • the fastener element ( 7 ) is provided with an hexagonal profile ( 55 ) at one end of a cylindrical surface ( 57 ) and adjoining threaded end ( 59 ).
  • the fastener element ( 7 ) is also provided with a central cylindrical cavity ( 61 ) at the hexagonal end.
  • the cylindrical cavity ( 61 ) is adapted to receive the cylindrical locating region ( 37 ) of the cylindrical projection ( 31 ) provided on the housing ( 4 ).
  • the integrated circuit unit ( 5 ) is a substantially semicircular disc having a central cutout.
  • the components of the integrated circuit unit ( 5 ) include a sensor unit ( 65 ) resistors and capacitors ( 69 ) and pad connector points ( 67 ) for conducting the signal generated by the sensor unit ( 65 ) to a controller unit (not included in this invention) adapted to read the signal received and generate audio or visual alerts and prevent engine start of the two wheeler engine.
  • the integrated circuit unit ( 5 ) is also provided two mounting location holes ( 71 ) complementary to the spaced apart locating pins ( 39 ) provided on the circular disc ( 25 ) of the housing ( 4 ).
  • These mounting location holes ( 71 ) accurately locate the integrated circuit unit ( 5 ) within the housing ( 4 ), maintaining the relative angular location of the sensor unit ( 65 ) with reference to the move-able element which is rigidly secured to the holding member ( 2 ).
  • the printed circuit board is mounted on a rigid polymer base ( 73 ) and covered with protective coating ( 75 )
  • the cylindrical locating regions ( 33 ) ( 35 ) provided on the central cylindrical projection ( 31 ) of the housing ( 4 ) locate and maintain the positional accuracy and the air gap between the sensor unit ( 65 ) and the move-able element ( 3 ).
  • the sensor unit ( 65 ) typically is a complementary metal oxide semiconductor (CMOS) Hall sensor having facility to switch the direction of current through the Hall elements thereby eliminating the offset errors typical of semiconductor Hall elements.
  • CMOS complementary metal oxide semiconductor
  • Other features like preset-able functional characteristics like gain, offset, temperature coefficient of gain (to compensate different magnetic materials thermal dependencies) provides programmable algorithms for complex signal processing in real time.
  • CMOS Complementary metal-oxide-semiconductor
  • MOSFET metal-oxide-semiconductor field-effect transistor
  • the sensor used has wide operational parameters, with an operating voltage range of 2.7V to 24V, a magnetic latch range of ⁇ 0.4 mT to ⁇ 80 mT and a magnetic switch range of ⁇ 1.5 mT to ⁇ 66 mT and a programmable hysteresis range between 1 mT and 36 mT.
  • the negative thermal coefficient can be adjusted in the range of 0 to ⁇ 2000 ppm/° C. to match all currently available permanent magnet materials or to use with electromagnet (current sensing) actuation.
  • This device has an operational temperature range spanning ⁇ 40° C. to +150° C., making it highly suited for use in demanding automotive or industrial environments.
  • the Hall effect sensor used for testing the invention was a “Melexis” programmable unit.
  • the functional diagram of the programmable Hall-effect sensor provided with mixed signal CMOS technology includes a voltage regulator, Hall sensor with advanced offset cancellation system and an open-drain output driver, all provided in a single package.
  • the sensor is provided with built-in reverse voltage protection therefore a serial resistor or diode on the supply line is not required and the sensor function effectively at low voltage operation down to 2.7V while being reverse voltage tolerant. In the event of a drop below the minimum supply voltage during operation, the under-voltage lock-out protection will automatically freeze the device, preventing the electrical perturbation to affect the magnetic measurement circuitry.
  • the open drain output is fully protected against short-circuit with a built-in current limit.
  • An additional automatic output shut-off is activated in case of a prolonged short-circuit condition.
  • a self-check is then periodically performed to switch back to normal operation if the short-circuit condition is released.
  • the on-chip thermal protection also switches off the output if the junction temperature increases above an abnormally high threshold. It will automatically recover once the temperature decreases below a safe value.
  • the components of the device are fully enclosed in a dust and weather proof housing ensuring maintenance free operation.
  • the extent of angular displacement and locational accuracy is controlled by the complementing projections and openings provided in the housing.
  • This device may be fitted on varying models and types of two wheelers as modification is required only in the base plate that is used for mechanical fitment. Within the same model or type of two wheeler the variations of vehicle body part and side stand does not adversely affect on the switching performance. This makes the fitment of the unit to the vehicle easy requiring low skill levels.
  • the sensor unit is pre-programmable, over a wide range of design variables as required for different models and types of two wheelers, the inventory cost in manufacturing is reduced considerably and the device is highly suitable of for just-in-time inventory management practice at the vehicle assembly line.

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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)
  • Casings For Electric Apparatus (AREA)
  • Automatic Assembly (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
  • Body Structure For Vehicles (AREA)
  • Regulating Braking Force (AREA)
  • Motorcycle And Bicycle Frame (AREA)
US14/755,003 2014-07-02 2015-06-30 Device for enhanced safety in using a side stand for parking of two wheeled vehicle Abandoned US20160001834A1 (en)

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US15/372,860 US10029753B2 (en) 2014-07-02 2016-12-08 Device for enhanced safety in using a side stand for parking of two wheeled vehicle

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IN2141MU2014 IN2014MU02141A (en, 2012) 2014-07-02 2014-07-02
IN2141/MUM/2014 2014-07-02

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US14/755,003 Abandoned US20160001834A1 (en) 2014-07-02 2015-06-30 Device for enhanced safety in using a side stand for parking of two wheeled vehicle
US15/372,860 Expired - Fee Related US10029753B2 (en) 2014-07-02 2016-12-08 Device for enhanced safety in using a side stand for parking of two wheeled vehicle

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US (2) US20160001834A1 (en, 2012)
EP (1) EP2985212A1 (en, 2012)
IN (1) IN2014MU02141A (en, 2012)
PH (1) PH12015000227B1 (en, 2012)

Cited By (5)

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US20160031504A1 (en) * 2013-04-23 2016-02-04 Kawasaki Jukogyo Kabushiki Kaisha Side stand of motorcycle
CN108454734A (zh) * 2018-03-13 2018-08-28 江苏锡宇汽车有限公司 自动展开双足型电动车侧撑杆
US20180334209A1 (en) * 2015-12-26 2018-11-22 Alps Electric Co., Ltd. Side-stand-equipped vehicle
US10634660B2 (en) 2015-03-31 2020-04-28 Sony Corporation Electrical characteristic measurement device, electrical characteristic measurement method, and blood condition analysis system
CN114013538A (zh) * 2021-12-03 2022-02-08 杭州诺维奇机械科技有限公司 一种电动车速度变化撑起脚架

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PH12021552649A1 (en) * 2019-04-26 2022-07-18 Honda Motor Co Ltd Side stand structure
NL2024963B1 (en) * 2020-02-21 2021-10-13 Koninklijke Gazelle N V Kickstand
US12214388B2 (en) 2022-03-22 2025-02-04 G. P. Reeves, Inc. Fluid regulator having integral fluid purge mechanism

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160031504A1 (en) * 2013-04-23 2016-02-04 Kawasaki Jukogyo Kabushiki Kaisha Side stand of motorcycle
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US10634660B2 (en) 2015-03-31 2020-04-28 Sony Corporation Electrical characteristic measurement device, electrical characteristic measurement method, and blood condition analysis system
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PH12015000227A1 (en) 2017-01-09
PH12015000227B1 (en) 2017-01-09
US10029753B2 (en) 2018-07-24
US20170151992A1 (en) 2017-06-01
IN2014MU02141A (en, 2012) 2015-04-24

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