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
  • B60N2/2857—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle characterised by the peculiar orientation of the child
  • B60N2/286—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle characterised by the peculiar orientation of the child forward facing
• • 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
  • B60N2/2857—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle characterised by the peculiar orientation of the child
  • B60N2/2863—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle characterised by the peculiar orientation of the child backward facing
• • 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
  • B60N2/30—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats
  • B60N2/3081—Seats convertible into parts of the seat cushion or the back-rest or disapppearing therein, e.g. for children
  • B60N2/3084—Disappearing in a recess of the back-rest

Definitions

• the present invention relates to a multifunctional vehicle seat with a cushion and a backrest, preferably intended for a motor vehicle
• US-A-5,205,608 discloses a child seat foldable from within seat back having extension control mechanism.
• the child seat has a squab which overall size in operative position is greater than the size when in an initial, unfolded position.
• One object with the present invention is to achieve a multifunctional vehicle seat.
• One further object is to provide a vehicle seat which increases the comfort of every age group of passengers.
• one object is to provide a multifunctional vehicle seat which efficiently utilizes the limited space in vehicles.
• a further object is to provide for a neater construction, which can be completely recessed and hidden in the vehicle seat when functioning as a usual vehicle seat for adults.
• Yet a further object is to provide for a multifunctional vehicle seat that is cost efficient and cheaper than conventional designs.
• claim 1 relates to a multifunctional vehicle seat, preferably intended for a motor vehicle comprising a cushion and a backrest, in that the vehicle seat comprises an additional unfoldable seat primarily intended for children, the vehicle seat comprises a seat mechanism which is arranged to the additional seat, said seat mechanism serves for the unfolding and folding of the additional seat.
• the additional seat comprises a back support and a cushion support.
• the additional seat further comprises an inner support, which is connected to the back support, whereby a rear surface of the back support and the inner support forms a cradle, when the back support is folded in the direction against the cushion of the vehicle seat.
• Fig. 1A shows in a perspective front view a vehicle seat as an adult seat, an additional seat being folded in the backrest of the vehicle seat.
• Fig. IB shows in a perspective front view the vehicle seat in fig.lA with the additional seat unfolded as a child seat.
• Fig. 1C shows in a perspective front view the vehicle seat in figs. 1 A and IB with the additional seat unfolded to a cradle.
• Fig. 2A schematically illustrates in a side view a seat mechanism for folding and unfolding the additional seat, the additional seat here being folded in the backrest.
• Fig. 2B schematically illustrates in a side view the seat mechanism in fig. 2A for folding and unfolding the additional seat, the additional seat here being unfolded to a child seat.
• Fig. 2C schematically illustrates in a side view the seat mechanism in fig. 2A and 2B for folding and unfolding the additional seat, the additional seat here being unfolded to a cradle.
• Fig. 3A illustrates schematically the seat mechanism according to one embodiment.
• Fig. 3B illustrates schematically in an enlarged view from fig. 3 A a detail of the seat mechanism.
• Fig. 3C illustrates schematically in an enlarged view from fig. 3 A a detail of the seat mechanism.
• Fig. IB shows a vehicle seat 2 with an additional seat 4 unfolded as a child seat.
• the multifunctional vehicle seat 2 comprises a cushion 5 and a backrest 6.
• the additional child seat is used primarily for children, but can be also be utilized for short persons (adults). As evident from fig. IB, the additional seat is protruding in front of the vehicle seat for adults, so that the additional seat 4 appears to be placed on the ordinary adult seat 2.
• the additional seat 10 of the additional seat is arranged in an up-right position, providing a backrest for a child.
• a cushion support 20 of the additional seat is unfolded so as to provide for a cushion seat for the child.
• the adult seat 2 is shown in a position where the additional seat 4 has been folded in the backrest 6 of the adult seat.
• the folding/unfolding movement is realized by the aid of a seat mechanism (not shown) arranged to the backrest of the vehicle seat and to the additional seat.
• the additional seat is completely recessed in the backrest 6 of the adult seat, resulting in a substantially even surface of the backrest. Hence, a full-grown adult can in this position utilize the seat.
• the additional seat 4 can further be converted to a cradle 8 for babies/infants/newborn. This is done by unfolding the additional seat 4 as shown in fig. 1C, and additionally by toning down the back support
• the inner support 12 is connected to the back support 10, whereby a rear surface 14 of the down folded back support 10 and the inner support 12 forms the space for an infant, i.e. a cradle 8.
• the inner support 12 and the rear surface 14 of the back support 10 are provided with borders 16, 18 on each side in order to minimise the risk for an infant to fall out of from the cradle.
• the cradle 8 is provided with a harness.
• Fig. 2A-C schematically illustrates in an embodiment a seat mechanism 42 for folding and unfolding an additional seat 40 (in principle similar to the additional seat in fig. 1).
• Fig. 2A shows the additional seat 40 in the position when folded in the backrest.
• the additional seat is arranged to a backrest of a vehicle seat 44 (in principle similar to the vehicle seat 2 in fig. 1) at a first pivot 50 with at least one connection bar 52.
• Fig. 2B shows the additional seat 40 unfolded to a child seat.
• Fig. 2C shows the additional seat unfolded to a cradle.
• the cushion support 56 and the inner support 58 are arranged to a crossbar (not shown; perpendicular to the paper) at a second pivot 60.
• the back support 54 is via bars 53 arranged at the second pivot 60.
• the supports 54-58 can perform a rotational movement around the second pivot 60.
• a rear part 55 of the inner support 58 is arranged to an upper part of a sliding element 61 in a third pivot 62, the sliding element 61, which also can be called bogie, being positioned in the backrest of the vehicle seat 44.
• the sliding element 61 is arranged to slide up and down in the interior of the vehicle seat 44, when the additional seat is unfolded folded.
• a lower part of the sliding element 61 is arranged in a forth pivot 64 to a right bar 66 and a left bar (not shown) respectively on each side of the additional seat 40.
• the right and left bars 66 are arranged substantially in parallel to the longitudinal extension of the inner support 58.
• a front part 57 of the right and left bars 66 are arranged at the second pivot 60.
• the front part 59 of the inner support 58 is further connected to the bars 53, i.e. a right front bar and a left front bar (not shown), in a fifth pivot 72.
• Each front bar is further arranged to the second pivot 60.
• Fig. 3A-C shows the seat mechanism according to one embodiment for folding and unfolding the additional seat in from the vehicle seat (the seats substantially corresponding to the embodiments as shown in figs. 1-2).
• the seat mechanism 90 is shown in unfolded position, the additional seat being in the position as a child seat or a cradle (cf. figs IB and IC).
• a first guide 100 and a second guide 102 both being arranged substantially vertical, are fixed in the vehicle seat backrest structure.
• a bogie 104 is slidable arranged on its right and left edges into tracks 106, 108 formed in the guides 100, 102.
• Supporting bars 110-113 are rotatable connected at their inner ends to the bogie 104 at joints 114-117.
• the supporting bars 110-113 are arranged in parallel to each other.
• the outer ends of the supporting bars 110-113 are rotatable connected to a substantially vertically arranged plate 118, extending essentially in parallel to the bogie 104.
• a supporting plate 120 serving as a base for the cradle (see figs IC and 2C), is supported by the two upper placed supporting arms 110, 111.
• a horizontal axle 124 is arranged at a back surface 122 of the cradle supporting plate 120, transverse to the supporting bars 110-113.
• a horizontal axle 124 is arranged in between the ends of the supporting bars, and at a distance from the outer ends of the supporting bars 110-113.
• a guiding bar 125 is rotatable arranged via a pivot member 127 at the horizontal axle 124.
• a back support 128 (indicated by phantom lines in fig. 3 A) and a cushion support 130 of the additional seat are both rotatable arranged to the transverse bar 126.
• the back support 128 of the additional seat is turned down towards the cushion support 130, whereby a cradle for a baby is formed by the cradle supporting plate 120 and the rear surface of back support 128.
• a children seat is formed by the cushion support 130 and the back support 128.
• Fig. 3B shows the guiding bar 125, which lower part is arranged to a guide
• the guiding bar 125 is threaded in the end and arranged to a guide member 132, having a U-formed shape, with a nut 134.
• the efficient length of the vertical bar 125 can be adjusted by the nut.
• the guide member is at its flanges 135, 136 rotatable arranged to a U-shaped member 138, which is fixed to the vehicle seat structure 2. In operation, the guiding bar 125 and the guide member 132 will perform a rotational movement when the seat mechanism is folded and unfolded.
• Fig. 3C shows that the upper part of the guiding bar 125 arranged to a short piece of tubing 140, preferably a piece made of Teflon ® , surrounding the guiding bar 125 and which piece is connected to one end of a short rod 142.
• the opposite end of the short rod 142 stiffly fixed to the transverse bar 126.
• the tubing 140 is slidably arranged along the guiding bar 125. When the seat mechanism is folded or unfolded, the guiding bar 125 will slide inside the tubing 140.
• the seat mechanism according to the present invention as described in the above embodiments may in its most general performance comprise of elongated, extended members such as bars, rods, axles, plates or the like, which in one end, respectively, are arranged in at least one pivot, respectively, at the backrest of the vehicle seat where the other end is arranged in at least one pivot, respectively, to the additional seat.
• the extended members are allowed to carry out a rotational movement around the pivots when the additional seat is unfolded or folded.

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)

Priority Applications (2)

Applications Claiming Priority (2)

Publications (1)

Family

ID=20286918

Family Applications (1)

Country Status (4)

Cited By (2)

Citations (4)

• 2002
  • 2002-02-11 SE SE0200388A patent/SE0200388D0/sv unknown
• 2003
  • 2003-02-10 EP EP03708755A patent/EP1480850A1/en not_active Withdrawn
  • 2003-02-10 AU AU2003212728A patent/AU2003212728A1/en not_active Abandoned
  • 2003-02-10 WO PCT/SE2003/000219 patent/WO2003068555A1/en not_active Application Discontinuation

Patent Citations (4)

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