WO2007075467A2 - Support pour occupant de vehicule - Google Patents

Support pour occupant de vehicule Download PDF

Info

Publication number
WO2007075467A2
WO2007075467A2 PCT/US2006/048016 US2006048016W WO2007075467A2 WO 2007075467 A2 WO2007075467 A2 WO 2007075467A2 US 2006048016 W US2006048016 W US 2006048016W WO 2007075467 A2 WO2007075467 A2 WO 2007075467A2
Authority
WO
WIPO (PCT)
Prior art keywords
support
occupant
vehicle
child
shell
Prior art date
Application number
PCT/US2006/048016
Other languages
English (en)
Other versions
WO2007075467A3 (fr
Inventor
Arjuna Indraeswaran Rajasingham
Original Assignee
Rajasingham Arjuna Indraeswara
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 US11/639,088 external-priority patent/US8251444B2/en
Application filed by Rajasingham Arjuna Indraeswara filed Critical Rajasingham Arjuna Indraeswara
Priority to JP2008545860A priority Critical patent/JP2009531209A/ja
Priority to EP06845601A priority patent/EP1964085A4/fr
Priority to PCT/US2007/008189 priority patent/WO2008073135A2/fr
Priority to JP2009503068A priority patent/JP2009538461A/ja
Priority to EP07867048.6A priority patent/EP1999741A4/fr
Publication of WO2007075467A2 publication Critical patent/WO2007075467A2/fr
Publication of WO2007075467A3 publication Critical patent/WO2007075467A3/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
    • B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
    • B60N2/2884—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle with protection systems against abnormal g-forces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
    • B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
    • B60N2/2851—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle provided with head-rests
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
    • B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
    • B60N2/2872—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle provided with side rests
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
    • B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
    • B60N2/2887—Fixation to a transversal anchorage bar, e.g. isofix
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
    • B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
    • B60N2/2887—Fixation to a transversal anchorage bar, e.g. isofix
    • B60N2/2893—Fixation to a transversal anchorage bar, e.g. isofix coupled to the seat sub-frame
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
    • B60N2/4207—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats characterised by the direction of the g-forces
    • B60N2/4235—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats characterised by the direction of the g-forces transversal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
    • B60N2/427—Seats or parts thereof displaced during a crash
    • B60N2/42709—Seats or parts thereof displaced during a crash involving residual deformation or fracture of the structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/80—Head-rests
    • B60N2/885—Head-rests provided with side-rests
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/80—Head-rests
    • B60N2/888—Head-rests with arrangements for protecting against abnormal g-forces, e.g. by displacement of the head-rest

Definitions

  • the present invention defines a means to incorporate in passenger vehicles, unique occupant supports that enhance the safety, comfort, utility and convenience.
  • the special needs of child seats for vehicle have not evolved much beyond a static plastic seat with solid wings and projections to prevent excessive movement.
  • This invention allows movement of the occupant to improve the well being of the occupant on the measures noted.
  • Some of the objects and advantages of the present invention are safety arrangements particularly for lateral or side impacts that provide energy absorption and a reduction in the peak acceleration, intrusion into the space occupied by the passenger and reduce other factors that can seriously injure or kill passengers or occupants.
  • the present invention also addresses the discomfort of lateral accelerations due to vehicle movement.
  • This invention also addresses the special needs of children's support in vehicles to reduce injury, increase comfort, and improve convenience to the parent and finally the enhancing the experience and related child development that derives from stimuli absorbed while traveling in a vehicle.
  • Fig 1& 2 illustrates an embodiment of a ( Child/Infant support mechanism) CISM and support.
  • the mechanism for moving the CISM can be used for any passenger support mechanism.
  • the illustrated position is during a lateral acceleration of the vehicle.
  • Figure 3 illustrates an occupant support mechanism that is adapted to reorient during lateral accelerations. It is also designed to eject along slides for egress and ingress with worm drives activating the ejection.
  • Figure 4- 7 illustrates the same occupant support mechanism from different perspectives.
  • Fig 8 illustrates the occupant support under lateral acceleration showing the reorientation to face the occupant away from the impact.
  • Fig 9,10 illustrates the movement after the initial impact where the occupant moves away from the impact.
  • Fig 11 illustrates a front facing CISM where the harness is in two parts and each of them can be independently locked down. These harness parts are shown swung up away from the occupant to allow egress and ingress. In addition the shell that supports the child can be rotated outwards for easy access.
  • Fig 12 shows the same front facing CISM at a time it is under lateral acceleration in the vehicle.
  • Fig 13 illustrates the same front facing CISM in the normal operating position with no lateral accelerations.
  • Fig 14 shows a rear facing CISM (using the same base, sub-base and support cradle as for the front facing CISM) the rear facing CISM is shown in the normal operating position has.
  • the figure shows the retracted undercarriage and wheels along with the retracted handle. These are extended when the shell is released and are used to wheel the shell by the parent or guardian of the child.
  • Fig 15 shows the another view of the rear facing CISM in the normal operating position.
  • Fig 16 shows the rear facing CISM under lateral acceleration.
  • Fig 17 shows the "cradle" that supports the shell ( in this case the rear facing CISM is shown. The same cradle is adapted to support the front facing CISM also.
  • Fig 18 shows the rear facing CISM shell removed from the cradle and with the undercarriage and handle extended and ready for wheeling the child around.
  • Fig 19 shows the rear facing CISM shell with retracted wheels and handle.
  • Fig 20 shows the rear facing CISM under lateral acceleration.
  • Fig 21-30 illustrate an alternative embodiment.
  • Fig 31-33, 35, 37-52 show versions of the preferred embodiment
  • Fig 53-57 show an alternative embodiment
  • Fig 34,36 show the detail for a passive air conditioning system that utilizes the kinetic energy of the mass of the occupant to force fresh air into the shell for comfort.
  • the rigidity of the base is enhanced with a "wishbone” that is made B of a rigid material such as aerospace aluminum connected between the Isofix latches and the tether mount and secured to the base 7 along its length.
  • the wishbone is best with straight sections to allow it to accept tensile loads without distorting the surrounding B plastic material. Further, considering that the mount for the base is on its rear with the ISOFIX latches and the tether, a lateral 9 acceleration of the vehicle will apply an ineitial loading from the child and its immediate support to twist the section of the base
  • the present invention in addition to using rigid plastic materials has two lateral bars - one at the
  • brace that is embedded in the plastic to attach to the ISO FIX and the sub base along the section of the cylinder as seen in the figures.
  • the sub-base (see fig 31) has a crash bar that resists intrusion in to the occupant space, if forced in, it is adapted
  • the crash bar has a side sliding surface 246 that is slidably connected to a
  • the sub base has two lateral
  • 19 base can take relative to the base which is useful to accommodate different inclinations desired by the occupants and also to
  • shock absorption device (not shown for clarity) that is both
  • crash bar 247 is pivotally attached to the sub base and with the release of a latch can be swung
  • the shock absorbtion device 23 out thereby enabling the cradle to swing around with the shell thereby enabling easy egress and ingress.
  • 24 may have multiple discrete compression and expansion elements For example, there may be two elements in series where the first
  • 25 element compresses/expands for accelerations of the order of 0.3Gs for use when the vehicle takes turns in the road and there is a
  • This element may have an end stop to prevent more than a predetermined
  • the second element may have compression/expansion starting at 20 Gs for impact conditions Notably here the first
  • the Cradle 232 is supported by the two sliding pivots 254A and B, and the flex bar 253.
  • the flex bar may have
  • shock absorbtion properties and made of spring material. 1 1 may also be covered with a crushable or energy absorbing material that
  • the front facing shell 252 is locked onto it by engaging a ridge on the back of
  • Fig 18 shows the (holes for) the attachment bar 260 for this latch in the
  • front and rear facing shells may have arm rests as seen in some of the figures.
  • the rear spine 256 has a support tube widi pin holes on it so it can be raised and lowered by removing the pin,
  • the Harness and or he Pillow pad rising may be spring loaded to ease release.
  • the angled axes of this assembly allows the
  • the shoulder pad/support and the pillow pads may be set to different widths with adjustments which in this embodiment
  • 43 may be done with retractable pins and several suitably positioned holes on a pivotally attached sleeve on the axis
  • the two part harness may be secured together by a loose piece of webbing or other material as the harness
  • the two part harness can be operated by a
  • the two part semi rigid harness is designed to be adjusted for length at a connection point just above the belly
  • This latch may be moved forward and backwards to ensure that the seat can be used for so children of all shapes.
  • the pillow pads are inclined towards the front and slightly outwards laterally. This is to aid
  • a variation of the embodiemtn may hav the
  • the upper assembly support rod may be designed to twist along its axis so that the upper assembly, while resisting the inertia! loading of the head and shoulders lags behind the movement of the shell thereby allowing the head to reduce peak accelerations.
  • figs 49 and50 another variation of the embodiment has a flex spine that bends to accommodate a differential motion desired between the head and the thorax. This is illustrated in Fig 51 and 52.
  • the material for the Pillow pads may be designed to flex on contact with the head thereby reducing peak loading conditions. Finally to address front impact, the pillow pads in the normal operating position constrict the space in front and below the face.
  • a variation of this design has a spring loaded pivot arrangement at the main Upper assembly hub.
  • the forward force pulls the tow axes forward thereby reducing the space between the pillow pads, thereby increasing the likelihood of supporting the head in a front impact.
  • the shell is positioned in the reverse direction on the cradle - see for example Fig 14. While the same arrangements for the harness, shoulder pads and pillow pads may be used, as the main front impact loading is now on the back of the seat (which is the front of the vehicle) a conventional soft harness may be used.
  • FIG. 14 A simplified version of the upper assembly is used in this embodiment for the rear facing seats may be seen in Fig 14, 15, 16, 17.
  • the Torsion 'T" bar is used to provide differential movement between the head and upper body and the lower body that moves with the cradle with inertial lateral loading.
  • the Torsion 'T" bar is inserted into the front spine and held wit the same pin that held the shaft with the latch for the semi rigid harness for the front facing seat.
  • the headrest pushes the torsion bar that twists to accommodate the differential movement of the head relative to the thorax.
  • all relative motion of regions of the anatomy of the occupant are by design arranged to conform the axes of natural movement.
  • the rear facing seat is shown with a retractable undercarriage and handle that can be extended when the shell is removed from the cradle and wheeled for the convenience of the mother/guardian.
  • the handle has a unique arrangement with the retracting mechanism allowing control of the retraction and extension with the handle alone.
  • An extension element may be added to the handle to make it extend further.
  • the position of the center of mass relative to the support points that produce reaction forces determines the direction of reorientation. It should be ensured that the reaction forces should be lower on the side that needs to move more against inertial load due to the acceleration.
  • Fig 34, 36 illustrate a passive air conditioning system for any shell type support mechanism for an occupant in a vehicle.
  • a support shell has a substantially rigid structural shell with perforations, within which is interposed adjoining it, a flexible membrane with perforations staggered to the perforations of the structural shell and adjoining it a foam layer that is adapted to absorb air on expansion and release air on compression, within which is a gas permeable membrane adapted to be adjoining the occupant, such that during transient lateral accelerations of the vehicle in a first direction the inertial mass of the occupant compresses the foam thereby forcing air to the occupant side as the membrane with perforation s adjoining the structural shell with perforations will as a result for the force of compression and as a result of the staggered perforations, provide a seal against the transfer of air through the structural shell and wherein during transient lateral accelerations in a second direction the inertial mass shifts away from the foam and permeable membrane thereby allowing the foam to suck air
  • the staggered spacing of the structural shell and the membrane may be even statistically staggered.
  • ALTERNATIVE EMBODIMENTS An embodiment of the CISM as illustrated in Figs 21-30, has two sliders and two corresponding pivots therefore having two slides on two axes each with pivotal linkages to the CISM.
  • One or both of the sliding mechanisms have shock absorbing elements.
  • one of the sliding elements 107/111 on 102 has a pair of shock absorbing elements inside the tube 102 and a pin that serves as the pivot 233 engages the shock absorbers on each of the two sides for compression only.
  • the slider 107/111 has a hole through its body to accommodate the pin that in turn goes through the slot in 102.
  • Each of the two shock absorbers on the two sides of the pin 233 attached to 107/111 compress in the event of lateral acceleration of the CISM, which can be due to impact or centrifugal force as the vehicle negotiates curves.
  • FIG 21-30 also show a head rest support QlOl which has two pivotally attached head rest flaps on it, with the pivot as far forward as possible so that on severe lateral acceleration the flaps are depressed thereby ensconcing the head to provide it a large surface area of support.
  • the head rest flaps as shown also have one or more holes in the ear area to ensure a clear path for sound to the ears of the child.
  • Fig 21-30 does not show the ISOFIX or other latch mechanism in the interest of clarity. This will be mounted
  • any of the embodiments of the Child seat and CISM described herein may utilize a pre-tensioner device if
  • the car belt is threaded over a bar or lever that is pivotally or slidably attached to the seat frame.
  • the side arm 239 if on the door side of the child seat, it will also perform the function of an impact barrier to
  • the side arm 239 in some embodiments may be unlocked and either pivoted outwards or slid on yet
  • FIGs 3-10 Another alternative embodiment for occupant support is illustrated in Figs 3-10.This embodiment has
  • 29 has a degree of rotation about an axis in a vertical plane through the direction of motion of the vehicle (analogous to 233 in the so CISM of Fig 1,2) thereby tilting the occupant support to reduce displacement of the head and thorax while using the impact energy to
  • Safety beam lower elements 102, upper elements 107 may be positioned on the rear of the Safety beam lower elements 102, upper elements 107 may be positioned on the rear of the Safety beam lower elements 102, upper elements 107.
  • the CISM version of this embodiment may have ISOFIX
  • the embodiment of the CISM may not be attached to the
  • Yet another embodiment utilizes a viscous fluid filled anatomical micro air cushion with a vent to a secondary
  • anatomical element such as the back of the head or the thorax, while under gentle pressure, but providing high levels of resistance
  • Yet another embodiment has a curvilinear sliding surface attached to the CISM, with sets of rollers that engage the sliding surface
  • the sets of rollers may be mounted to a frame that allows controlled lateral movement
  • the translation motion rotate the CISM to enable the occupant to face away from the impact ( towards the direction of acceleration).

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • General Health & Medical Sciences (AREA)
  • Seats For Vehicles (AREA)
  • Motorcycle And Bicycle Frame (AREA)

Abstract

L'invention porte sur un dispositif pour véhicule de transport passagers, ce dispositif comportant un mécanisme permettant de réduire la charge de pointe inertielle sur l'occupant, tel qu'un enfant, au cours d'une accélération latérale. Ce dispositif présente des caractéristiques de synergie entre le confort, la commodité et l'utilité.
PCT/US2006/048016 2005-12-19 2006-12-15 Support pour occupant de vehicule WO2007075467A2 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2008545860A JP2009531209A (ja) 2005-12-19 2006-12-15 乗物乗員用サポート
EP06845601A EP1964085A4 (fr) 2005-12-19 2006-12-15 Support pour occupant de vehicule
PCT/US2007/008189 WO2008073135A2 (fr) 2006-03-30 2007-03-30 Systèmes de navigation réelle et virtuelle
JP2009503068A JP2009538461A (ja) 2006-03-30 2007-03-30 仮想および現実のナビゲーションシステム
EP07867048.6A EP1999741A4 (fr) 2006-03-30 2007-03-30 Systemes de navigation reelle et virtuelle

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
US75130505P 2005-12-19 2005-12-19
US60/751,305 2005-12-19
US84576106P 2006-09-20 2006-09-20
US60/845,761 2006-09-20
US84880406P 2006-09-29 2006-09-29
US60/848,804 2006-09-29
US84968506P 2006-10-05 2006-10-05
US60/849,685 2006-10-05
US11/639,088 2006-12-14
US11/639,088 US8251444B2 (en) 2005-04-25 2006-12-14 Vehicle occupant support

Publications (2)

Publication Number Publication Date
WO2007075467A2 true WO2007075467A2 (fr) 2007-07-05
WO2007075467A3 WO2007075467A3 (fr) 2008-01-03

Family

ID=38218478

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2006/048016 WO2007075467A2 (fr) 2005-12-19 2006-12-15 Support pour occupant de vehicule

Country Status (3)

Country Link
EP (1) EP1964085A4 (fr)
JP (4) JP2009531209A (fr)
WO (1) WO2007075467A2 (fr)

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DE202012102471U1 (de) * 2012-06-18 2012-09-07 Cybex Gmbh Kindersitz zur Anbringung auf einem Kraftfahrzeugsitz
CN105946644A (zh) * 2016-06-18 2016-09-21 金余和 一种婴幼儿双向提蓝式安全座椅缓冲底座

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Also Published As

Publication number Publication date
JP2009531209A (ja) 2009-09-03
EP1964085A2 (fr) 2008-09-03
JP6212613B2 (ja) 2017-10-11
WO2007075467A3 (fr) 2008-01-03
JP2016203979A (ja) 2016-12-08
JP2012254794A (ja) 2012-12-27
JP2015134609A (ja) 2015-07-27
EP1964085A4 (fr) 2010-02-24
JP6050406B2 (ja) 2016-12-21

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