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
  • B60N2/32—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles convertible for other use
  • B60N2/36—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles convertible for other use into a loading platform
• • 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
  • B60N2/005—Arrangement or mounting of seats in vehicles, e.g. dismountable auxiliary seats
  • B60N2/015—Attaching seats directly to vehicle chassis
• • 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
  • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
  • B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
  • B60N2/235—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by gear-pawl type mechanisms
  • B60N2/2352—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by gear-pawl type mechanisms with external pawls
• • 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
  • B60N2/3002—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats back-rest movements
  • B60N2/3029—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats back-rest movements by composed movement
  • B60N2/3031—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats back-rest movements by composed movement in a longitudinal-vertical plane

Definitions

• the invention relates to a vehicle seat or a tilt adjustment device for the backrest of a motor vehicle.
• the known vehicle seats are disadvantageous in terms of the cargo space enlargement, in the operation for adjusting a cargo space increase and in terms of the weight of the vehicle seat.
• Object of the present invention was therefore to provide a vehicle seat, in which with simple structural means of the vehicle seat and in particular at low weight of the vehicle seat, a loading position of the backrest is so ingestible that provided a forward displacement of the backrest with simultaneous lifting of the backrest combined with a one-handed operation is.
• a vehicle seat in particular rear seat, with a seat part, a backrest part and a fitting part, wherein the backrest part and the fitting part is pivotally provided relative to the vehicle body about a first axis of rotation and wherein the first axis of rotation disposed below the seat portion or behind the backrest part is.
• the term "below the seat part” is understood in particular to mean that the first axis of rotation is arranged clearly below a plane of a seat surface of the seat part, for example more than 100 mm below this level of the seat surface in the normal position of the seat part.
• the term "behind the backrest part” is understood in particular to mean that the first axis of rotation is arranged clearly behind a plane of a seat surface or leaning surface of the backrest part, for example more than 100 mm behind this plane in the normal position of the backrest part Design position of the backrest part, wherein in particular a positioning of the first axis of rotation obliquely behind the top opposite the lower end of the backrest part according to the invention is alternatively provided for positioning below the seat part.
• the backrest part is provided pivotable relative to the fitting part about a second axis of rotation, wherein in particular between the fitting part and the backrest part a Ne Trentsverstellbeschlag is provided, in particular a Taumelverstellbeschlag and / or a detent fitting.
• the second axis of rotation is arranged above the first axis of rotation, in particular in the region of a plane of a seat surface of the seat part or above a plane of a seat surface of the seat part.
• a rotational adjustment of the fitting part about the first axis of rotation in a first position and in a second position provided relative to the vehicle body wherein the first position corresponds to a comfort position and wherein the second position corresponds to a loading position. Due to the possibility of adjusting the loading position, it is thus advantageously possible according to the invention to achieve a considerable increase in the loading space volume.
• the rotational adjustment of the fitting part can be latched about the first axis of rotation in the first position and in the second position and / or that the fitting part is biased by means of a spring device in the direction of the second position.
• the relative position of the backrest part to the fitting part when pivoting about the first axis of rotation is provided substantially unchanged, that the backrest part is provided in the first position of the fitting part about the first axis of rotation adjusted substantially in a comfort inclination setting and that Backrest part is provided in the second position of the fitting part about the first axis of rotation set substantially perpendicular, wherein the comfort inclination setting in particular a setting of about 20 ° to 40 ° preferably from about 25 ° to about 35 ° from the vertical away corresponds.
• the rotational adjustment of the backrest part is provided relative to the body during the pivoting of the fitting about the first axis substantially unchanged, that the backrest part in the first position and in the second position of the fitting part about the first axis of rotation substantially is set adjusted in a comfort inclination setting, wherein the comfort inclination setting in particular a setting of about 20 ° to 40 ° preferably from about 25 ° to about 35 ° from the vertical corresponds.
• a change in the rotational position of the backrest part relative to the body is provided by an angle in the range of about 1 ° to about 140 °, preferably either by an angle in the range of 3 ° to about 30 ° or at an angle in the range of about 110 ° to about 140 °, wherein the backrest part is provided in the first position of the fitting part about the first axis of rotation adjusted substantially in a comfort inclination setting, wherein the comfort inclination setting in particular a setting of approx 20 ° to 40 °, preferably from about 25 ° to about 35 ° away from the vertical.
• the fitting together with a pivot lever and a part of Ne forms a four-bar linkage, wherein the four-bar linkage is lockable in particular by means of a first and a second locking and unlocking, in particular in the first and the second position of Fitting part, wherein in particular further provided that the four-bar linkage is substantially formed as a parallelogram, so that it comes to a Drehlagenkonstanten (or rotational adjustment constant) pivoting of the backrest part relative to the body in the event of pivoting of the fitting part about the first axis of rotation.
• the rotational adjustment of the backrest part is provided relative to the fitting part about the second axis of rotation in a third position and in a fourth position, wherein the third position corresponds to a normal position and wherein the fourth position corresponds to a folding position.
• the rotational adjustment of the backrest part relative to the fitting part about the second axis of rotation in the normal position in a comfort adjustment range is either continuously adjustable in different positions or that is adjustable in a plurality of positions. In this way, it is advantageously possible to enable the vehicle seat to be used especially for the comfort needs of a user.
• the seat part is arranged fixed relative to the vehicle body.
• a particularly light and Nevertheless, stable construction of the vehicle seat can be achieved while still achieving enormous flexibility in terms of comfort and in terms of a cargo space enlargement.
• a seat part fixed relative to the vehicle body in the sense of the present invention, it is meant that at least the main structural parts of the seat part are designed to be stationary relative to the vehicle body.
• upholstery parts of the seat part can be either removable or also movably arranged relative to the vehicle body.
• Figures 1 and 2 show a first embodiment of a vehicle seat according to the invention in a lateral schematic representation in two different positions.
• Figure 3 shows a tilt adjustment device for a vehicle seat according to the first embodiment in a perspective, schematic representation.
• Figure 4 shows a hinge device for a vehicle seat according to the first embodiment with removed outer edge plate in a schematic representation.
• Figures 5 to 10 show a hinge device for a vehicle seat according to a second embodiment in different adjustment positions and sides.
• the vehicle seat 51 shown in FIG. 1 in the use position according to a first embodiment of the present invention comprises a body-fixed seat part 52 and a backrest 53 or a backrest part 53.
• the backrest 53 or the backrest part 53 is connected via a fitting part 54 (which is also referred to below as a hinge device 54 is designated) connected to the vehicle floor 55 and 55 with the body.
• the fitting 54 has a first axis of rotation 56 on Vehicle floor (or relative to the vehicle floor 55 or relative to the body 55) below the seat portion 52 on. This is opposite the top edge of the backrest
• the backrest 53 is rotatably connected relative to the fitting 54 during pivoting and retains relative to the fitting 54 their rotational position or rotational adjustment at
• their rearwardly inclined design position hereinafter referred to as the first position of the fitting 54 and the backrest 53
• Figure 2 first loading position hereinafter also referred to as the second position of the fitting part 54 and the backrest 53
• the backrest 53 is displaced not only in the X direction by the arrangement of the first rotation axis 56 in the first region of this pivoting movement, but at the same time also lifted (displacement in the Z direction). This upward movement avoids a collision with the trailing edge 57 of the seat part 52. This applies both to the first and to the second embodiment of the vehicle seat 51.
• the fitting part 54 further has a second axis of rotation 58 with the backrest 53 spaced away from the vehicle floor with respect to the first axis of rotation 56.
• the second - in particular via a tilt adjustment fitting not shown in detail - also detectable axis of rotation 58 is used to set various leaning comfort positions (arrow A in Figure 1) and / or the folding forward of the backrest 53, in particular from the first loading position (arrow C in Figure 2 , hereinafter also referred to as the third position of the vehicle seat or the backrest part 53 relative to the fitting part 54) in a substantially horizontal adjustment of the backrest 53 (hereinafter also referred to as the fourth position of the vehicle seat or the backrest part 53 relative to the fitting part 54).
• the backrest 53 may optionally (and in particular in the second embodiment) substantially parallel again by turning the fitting 54 in both axes of rotation 56, 58 moved back a little to the rear of a possible gap to the rear loading floor 59th close the vehicle.
• FIG. 3 shows a tilt adjustment device 1 for a motor vehicle seat 51 according to the invention (for example according to FIGS. 1 and 2) according to the first embodiment in a preferred embodiment variant.
• the tilt adjustment device 1 comprises a left articulating device 2 and a right articulated device 2 '.
• the two hinge devices 2, 2 ' match the basic structure and the principle of operation according to one another.
• Each hinge device 2, 2 1 comprises a rigidly connected to the seat part 52 and the body 55 connecting part A, A 'and a rigid - or via a ver and unlockable Ne
• Ne a rigidly connected to the seat part 52 and the body 55 connecting part A, A 'and a rigid - or via a ver and unlockable Ne
• Ne a rigid - or via a ver and unlockable Ne
• Ne a rigid - or via a ver and unlockable Ne
• the two connecting parts A, A 1 each comprise an inner flank plate 3, 3 'arranged on the one hand of the fitting part 54, 54' and an outer flank plate 30, 30 'arranged on the other hand of the fitting part 54, 54'.
• the inner flank 3, 3 'and the outer flank boards 30, 30' of each connecting part A, A 1 define in the two lateral directions a receiving space in which a lower portion of the fitting parts 54, 54 'is arranged.
• a maximum pivot angle of the fitting 54, 54 'of for example, up to 30 ° or, for example, up to 25 ° or, for example, up to 20 ° defined.
• each inner guide pin 5 (of which in Figure 3, only the left inner guide pin can be seen), each having a circular arc at each inner edge plate 3, 3 ' provided inner guide slot 6 (of which in Figure 3 only the left inner guide slot can be seen).
• each an outer guide pin 7, T (of which only the right outer guide pin can be seen in Figure 3) from, depending on a circular arc on each outer edge plate 30, 30 'provided outer guide slot 8' protrude.
• FIG. 4 shows in a perspective view the left articulation device 2 according to FIG. 3 with the left outer flank plate 30 removed.
• the connecting strut 9 projects through an outer section 90 through the left inner flank plate 3.
• the connecting strut 9 is non-rotatable with a hinge flap 11 connected.
• a locking member 12 is pivotally connected to the connecting strut 9 pivotally about the longitudinal axis of the connecting strut 9.
• a tension spring 13 engages with a first spring eye 14, a round opening 15 in the region of the free end of the joint flap 11.
• the second spring eye 16 of the tension spring 13 comprises a protruding from the outwardly facing outer surface of the locking member 12 connecting pin 17.
• On locking member 12 is a rear Fixing hook 18 in the form of a locking member 12 piercing, rearwardly open rear Hakenaus Principleung 18 'is provided, which is penetrated by the left outer guide pin 7.
• the rear fixing hook 18 fixes the left outer guide pin 7 and thus the left fitting part 54 in the position shown in Figure 4, so that ultimately the backrest is locked in an upright rear position.
• the connecting strut 9 can be displaced about its longitudinal axis by pulling on the loop S connected via a mount 91 to the connecting strut 9 in directions indicated by the rotary arrow P.
• the pivoting with the connecting strut 9 hinge plate 11 takes over the tension spring 13 with the locking member 12, so that ultimately causes the rotational movement of the connecting strut 9, a rotational movement of the locking member 12.
• a simultaneous rotation of the backrest part 53 relative to the fitting 54, 54' takes place, in particular such that the rotational adjustment of the backrest part 53 is provided substantially unchanged relative to the body or relative to the seat part 52 and only one (nonrotational) pivoting of the backrest part 53 takes place.
• a tilt adjustment fitting 61 between the backrest part 53 and the fitting part 54, 54 ' is opened (not shown).
• FIGS. 5 to 10 show various positions of the articulation device for the vehicle seat 51 according to the invention in accordance with a second embodiment.
• Figures 5, 6 and 9 show the setting of the fitting 54, 54 'according to the first position and Figures 7, 8 and 10, the adjustment of the fitting 54, 54' according to the second position, wherein each of Figures 5 to 8, for example an interior view of the hinge device and Figures 9 and 10 each show an external view of the hinge device (or vice versa).
• FIGS. 5 and 6 or 7 and 8 The difference between FIGS. 5 and 6 or 7 and 8 is that the locking state of a locking device for locking the pivoting position of the fitting part 54 differs about the first axis of rotation 56.
• the locking device In FIGS. 5 and 7, the locking device is locked (in each case in different positions).
• the locking device is unlocked.
• a first pawl 63 and a second pawl 64 and a locking cam 65 is provided on the fitting part 54 according to the second embodiment (but only shown in Figure 7).
• a first latching recess 66 and a second latching recess 67 is provided at the connection part A.
• a third recess 68 and a fourth recess 69 is provided on the adapter part 62.
• the first pawl 63 engages in the first recess 66 and the second pawl 64 in the third recess 68.
• the second position of the fitting 54 ( Figure 7) engages the first pawl 63 in the second latching recess 67 and the second pawl 64in the fourth latching recess 69.
• the locking cam 65 is in its locking rotational position. In Figures 6 and 8, the locking cam 65 is rotated (In its unlocking rotational position) and unlocks the first pawl 63 and the second pawl 64.
• a means of connecting strut 9 in the first embodiment corresponding means for two-sided (and thus one-handed) operation of the locking device according to the invention can also be provided in the second embodiment (not shown ).
• the first axis of rotation 56 is disposed behind the backrest part 53, for example, arranged in a direction obliquely behind the rear, as for example in comparison to the lower end of the backrest part 53, as indicated schematically in Figure 1 by the reference numeral 70 ,
• the fitting 54 rotates about the first axis of rotation 56 in the opposite direction relative to the first and second embodiment.
• a four-bar mechanism is necessarily provided between the fitting part 54 and the backrest part 53 in this embodiment.

Landscapes

• Engineering & Computer Science (AREA)
• Aviation & Aerospace Engineering (AREA)
• Transportation (AREA)
• Mechanical Engineering (AREA)
• Seats For Vehicles (AREA)
• Chairs For Special Purposes, Such As Reclining Chairs (AREA)

Priority Applications (3)

Applications Claiming Priority (6)

Publications (1)

Family

ID=40176028

Family Applications (1)

Country Status (5)

Cited By (1)

Families Citing this family (10)

Citations (2)

Family Cites Families (34)

• 2007
  • 2007-12-10 DE DE102007059641A patent/DE102007059641A1/de not_active Withdrawn
• 2008
  • 2008-07-14 WO PCT/EP2008/005727 patent/WO2009015759A1/de not_active Ceased
  • 2008-07-14 JP JP2010518523A patent/JP5362720B2/ja not_active Expired - Fee Related
  • 2008-07-14 US US12/670,967 patent/US8702172B2/en not_active Expired - Fee Related
  • 2008-07-14 EP EP08773982.7A patent/EP2183127B1/de not_active Not-in-force

Patent Citations (2)

Also Published As

Similar Documents

Legal Events