WO2017012990A1

WO2017012990A1 - Vehicle seat, in particular motor vehicle seat

Info

Publication number: WO2017012990A1
Application number: PCT/EP2016/066792
Authority: WO
Inventors: Joachim Kaemmerer
Original assignee: Johnson Controls Components Gmbh & Co. Kg
Priority date: 2015-07-20
Filing date: 2016-07-14
Publication date: 2017-01-26
Also published as: DE102015217696B4; CN108349411A; DE102015217696A1; EP3325311A1; CN108349411B

Abstract

The invention relates to a vehicle seat (1), in particular a motor vehicle seat, comprising a seat cushion (3) and a backrest (5), and a kinematic arrangement (3a, 5, 11, 13, 21, 27, I, II, III, IV, V, VI, VII) for transferring the vehicle seat (1) from a use position suitable for conveying people into optionally an entry position or a floor position, wherein the kinematic arrangement has a turning-sliding joint (VII) that is active between two transmission members (3a, 21) of the kinematic arrangement during the transfer from the use position into the entry position, and is at least periodically inactive during the transfer from the use position into the floor position.

Description

VEHICLE SEAT, ESPECIALLY MOTOR VEHICLE SEAT

The invention relates to a vehicle seat, in particular motor vehicle seat, with a seat cushion and a backrest, and a kinematics for transferring the vehicle seat from a person suitable for passenger transport

Use position in either an entry position or in a

Ground position.

State of the art

From DE 10 2008 050 468 B3 a vehicle seat is known, the at least one suitable for transporting use position in a

vorwenkte entry position and, alternatively, in a lowered ground position can be transferred. The vehicle seat includes a base, a rocker pivotally attached to a front foot attached to the base

Sitzkissenträger, projecting from the rear of an arm, at the end of a joint is arranged, two links which are at least indirectly hinged to the attached to the base front foot, a rear foot, the

Linkage is articulated and is releasably locked to the base, and a backrest which is articulated by means of at least one lock ble fitting to a backrest pivot axis pivotally mounted on the rear foot. The seat cushion carrier is by means of offset to the backrest pivot axis with parallel pivot axis

articulated joint hinged to the backrest, said at the transition of the

Vehicle seat in the entry position of the rear foot unlocked and by means of the two handlebars away from the base, while the rear end of the

Seat cushion lifts while the backrest pivots while maintaining its inclination relative to the rear foot, and wherein the rocker pivots forward and lower the front end of the seat cushion.

WO 02/096699 A1 discloses a vehicle seat, in particular a

Motor vehicle seat, with a seat cushion and a backrest, and a kinematics for transferring the vehicle seat from a suitable position for transporting people in either an entry position or in a

Bottom position, wherein the kinematics has a rotary push joint, which is effective during the transfer of the use position in the entry position and during the transfer of the use position in the bottom position between two gear members of the kinematics. From DE 10 2014 202 569 A1 discloses a vehicle seat is known, with a height adjustable from a use position in a stowage seat element and a backrest element, wherein the backrest element is pivotable about a stationary axis, and the backrest element is so operatively connected via a hinge system with the seat element, that by a pivoting movement of the backrest element, the seat element from the use position in the stowed position can be transferred. The seat element comprises a seat element carrier with a backdrop. The scenery is at the transition of the seat member of the use position in the stowage position or from the stowage position to the use position along a first

Cross strut led.

task

The invention is based on the object to improve a vehicle seat of the type mentioned above, in particular to provide a vehicle seat consisting of as few components available, which is inevitable both from a use position in an entry position and inevitably from the use position in a bottom position can be transferred , The term inevitably means that the movement of the vehicle seat during the respective transfer from one to the other of the positions is clearly defined, that is, a motion-determining kinematics of

Vehicle seat has a degree of freedom of exactly one.

solution

This object is achieved by a vehicle seat, in particular motor vehicle seat, with a seat cushion and a backrest and a kinematics for transferring the vehicle seat from one to

Passenger transport suitable use position in either one

Entry position or in a floor position, with the kinematics a

Turning joint has, during the transfer of the

Use position in the entry position between two gear members of the kinematics is effective and during the transfer of the use position in the bottom position is at least temporarily ineffective.

The term temporary refers to a period of time during the

Transfer from the position of use to the floor position and is bound to the movement sequence of the kinematics. A kinematics comprises in particular mutually movable components and individual of these components interconnecting joints.

Ineffective in the context of the invention, the rotary push joint is when the rotary push joint during its inefficiency neither affects the degree of freedom of the kinematics, nor actively influenced the trajectory of the vehicle seat. A rotary push joint is also ineffective if the rotary push joint is moved passively without affecting the trajectory of the vehicle seat, for example, if during the transfer from the use position to the entry position, a pin of the rotary push joint is passively guided through a gate which is partially curved in such a way, that the backdrop is the

Trajectory of the pin not hindered or influenced. As a result, the pin does not have to leave the scenery to be ineffective, at least temporarily. Due to the fact that the kinematics has a rotary push-type joint which, during the transfer into the entry position, exists between two transmission links of the

Kinematics is effective and at least temporarily ineffective during the transfer to the bottom position, a vehicle seat can be constructed with few components. In particular, it is sufficient to steer a rear foot with only one handlebar on a front foot. As a result, compared with the prior art, in particular a vehicle seat known from DE 10 2008 050 468 B3, one link and two pivot joints per vehicle seat side can be replaced by a rotary push link. Nevertheless, that is

Vehicle seat according to the invention inevitably from a use position into an entry position and inevitably from the use position in a bottom position can be transferred. In the entry position parts of the vehicle seat, in particular the backrest and the seat cushion are pivoted forward to facilitate access to a rear row of seats. In this case, the vehicle seat may also have a seat slide having longitudinal adjuster, which is unlocked to take the entry position, so that the vehicle seat is additionally pushed forward. In the floor position, the backrest is pivoted so far that the back of the backrest can be used as a loading floor.

Preferably, the kinematics is hinged to a base. By the base is a (at least two) seat rails having seat-length adjuster, the vehicle seat is longitudinally adjustable. However, the base may also be an adapter or an adapter assembly for attaching the vehicle seat to a vehicle structure. Linked to a base in this context means that at least one component of the kinematics is connected directly to the base via a joint. Other components and joints may be connected indirectly via other components and / or joints with the base. In a preferred embodiment, a vehicle seat according to the invention has a rocker, which is articulated at least indirectly on the base, in particular on a front foot attached to the base, a seat cushion support, which is hinged to the rocker, wherein an arm projects from the seat cushion support the end of which a hinge is arranged, by means of which the seat cushion support is articulated to the backrest, a handlebar which is articulated at least indirectly on the base, in particular on the base attached to the front foot, a rear foot, which is hinged to the handlebar and with the base releasably locked, and a lockable fitting, which surrounds the backrest by a

Swiveling backrest swivel axle on rear foot, up. When transitioning the vehicle seat into the entry position, the rear foot unlocks and moves away from the base by means of the at least one link. In this case, the rear end of the seat cushion is raised while the backrest pivots, in particular while maintaining its inclination relative to the rear foot, in particular, the rocker pivots forward and lowers the front end of the seat cushion. Such a vehicle seat has compared to known from the prior art vehicle seats with the same functionality fewer components and is thus cheaper to produce. Preferably, such a vehicle seat has two vehicle seat sides, in particular one related to the vehicle

Sill-side vehicle seat side and a tunnel-side vehicle seat side, wherein the aforementioned components that do not extend in the transverse direction over the entire seat width, in each case on each of the two vehicle seat sides, so at least twice, are present. A vehicle seat according to the invention can preferably be largely

be constructed mirror-symmetrically, whereby essential components of the kinematics are each once on each of two vehicle seat sides of the vehicle seat available. It is sufficient for a realization of an inevitable kinematics due to the rotary thrust joint, if only one handlebar is arranged on each vehicle seat side, each of which connects a front foot articulated to a rear foot. In the transition of the vehicle seat in the entry position, the rear foot is unlocked in a preferred embodiment of the invention and removed by means of a handlebar from the base, while the backrest pivots,

especially while maintaining their inclination relative to the rear foot and while maintaining their tendency to seat cushion. The one link moves in this way the rear foot of an access area for a rear, especially third row of seats. Preferably, exactly one handlebar is provided on each vehicle seat side, which connects the rear foot articulated to the front foot. A particularly large forward displacement of the seat cushion of the vehicle seat in the entry position is achieved by the seat cushion on both

Vehicle seat sides is hinged by means of exactly one joint to the backrest and this joint offset to the backrest pivot axis with a parallel thereto

Swivel axis is arranged. Preferably, the seat cushion as a structure on a seat cushion support, projects from the rear of an arm, at the end of the joint is arranged.

Preferably takes place at a transition from the use position in the

Entry position is a release of the seat rails, so that the

Vehicle seat can also be moved forward, causing the

Accessibility to a row of seats arranged behind the vehicle seat

improved.

The vehicle seat can be operated in a particularly comfortable way, if one of the

Backrest pivoting defining fitting, the joint between the seat cushion and backrest and the two joints of the rocker define a four-bar linkage, by means of which the seat cushion is lowered with unlocked fitting.

In addition to the entry position, the vehicle seat according to the invention can be easily converted into a flat bottom position as a further non-use position by the backrest is pivoted and lowered the seat cushion becomes. A release of the seat rails is not required for this non-use position.

The rotary push joint can be a link guide. The rotary push joint can be a slot-pin guide. The rotary thrust joint may have a backdrop and a protruding into the gate pin. The scenery can be arranged on the rear foot. The backdrop can be integrally formed with the rear foot. The pin may be attached to the seat cushion, in particular to a seat cushion carrier.

The rotary thrust joint may have a fork which engages around a cross tube. The fork may be attached to the seat cushion, in particular to a seat cushion carrier. The cross tube is preferably a cross tube connecting each rear foot of each vehicle seat side. This will not

additional component needed for the formation of the rotary joint.

The Drehschubgelenk can by padding an area of a

Seat cushion support to be formed on a cross tube and a spring force.

In particular, a spring designed as a torsion spring (spiral spring, leg spring) can be effectively arranged between the rocker and the seat cushion carrier. During the transition from the use position to the entry position, the spring force can push the seat cushion against the cross tube. Such a spring can also support the adjustment between several positions of use. The cross tube preferably connects two rear feet together.

The rotary push joint can be a simple contact point. The

Rotary push joint can be a contact point between the seat cushion and

be at least one rear foot or a two rear feet interconnecting cross tube. Preferably, the seat cushion is secured in the region of the contact point by a spring force on the rear foot. A spring which generates the spring force or a plurality of springs which generate the spring force can in principle be arranged at any point in the vehicle seat, if a correspondingly resulting spring force is possible by the arrangement.

The rotary push hinge can be arranged such that an angle between the backrest and the seat cushion remains unchanged during the transition from the use position to the access position (and back).

The rotary push joint is preferably effective between the seat cushion carrier and the rear foot. However, the invention is not limited to such an arrangement. In principle, the rotary push joint could also be effective between two other components of the vehicle seat. The arrangement of

The pivot bearing should then be adjusted accordingly.

A lock can releasably connect the rear foot to the base. The lock may have a pawl which can secure a counter element connected to the base, in particular a bolt. The counter-element is preferably fixedly connected to the base, preferably welded. The counter-element can engage in a tapered receiving opening in the rear foot or in a tapered receiving opening in a housing of the lock. The contour can be V-shaped. The contour can be opened downwards. The contour prevents a relative displacement between counter element and lock in the direction of travel.

FIGURES AND EMBODIMENTS OF THE INVENTION In the following, the invention is explained in more detail with reference to two advantageous exemplary embodiments illustrated in the drawings. However, the invention is not limited to these embodiments. Show it:

1 is a schematic side view of a first embodiment of a vehicle seat according to the invention in a position of use, 2 is a schematic side view of the first embodiment in an entry position,

3 is a schematic side view of the first embodiment in a bottom position,

Fig. 4 is a detail view of FIG. 3 on a rear foot of the first

5 shows a schematic side view of a second exemplary embodiment of a vehicle seat according to the invention in a position for use,

6 is a detail of a detailed perspective view of a

Turning joint having area of the second

Embodiment.

A vehicle seat 1, which is provided for example as the outer seat of a middle or rear seat row of a motor vehicle, for example a van, has a seat cushion 3 and a backrest 5. In the following directions, it is assumed that the vehicle seat 1 in a for

Passenger transport suitable use position and aligned in the forward direction is arranged in the motor vehicle, wherein in the

Passenger transport suitable position of use of the vehicle seat 1, the backrest 5 is located at the rear end of the seat cushion 3. The backrest 5 is by means of at least one fitting 7, in this case two fittings 7, to a

Lehnenschwenkachse 33 adjustable in their inclination, so that several

Use positions are defined. The term seat cushion 3 is intended to mean the entire assembly comprising a structure, in the present case a seat cushion support 3a, and a upholstered upholstery. As far as components are hinged to the seat cushion 3, this is to be understood as a linkage to the structure of the seat cushion 3. The same applies to the back 5. FIGS. 1 to 4 show a first exemplary embodiment of a vehicle seat 1 according to the invention. In the following, for the sake of simplicity, only one vehicle seat side of the substantially symmetrical vehicle seat 1 will be described, ie the components named below will be double (if desired mirror-symmetrical) unless otherwise described. First, the vehicle seat 1 is described on the basis of a special position of use shown in FIG. 1, namely a design position, in which the backrest 5 is tilted back for example by 23 ° relative to the vertical.

A base 9 of the vehicle seat 1 is connectable to the structure of the motor vehicle. The base 9 is formed in the embodiment as a seat rail assembly, which opens up the possibility of longitudinal adjustment of the vehicle seat 1. In the present case, the base 9 has a first seat rail 9a, which is directly connected to the vehicle structure, and a second seat rail 9b, which is displaceable relative thereto in the longitudinal direction. The two substantially U-shaped profiled seat rails 9a and 9b engage behind each other mutually with their inwardly or outwardly bent longitudinal edges and are - by means of a known rail lock - locked together. The

Rail lock can be unlocked by the user of the vehicle seat 1 by means of a known Entriegelungsbügels.

At the base 9, a front foot 1 1 is mounted, in the present case firmly connected to the second seat rail 9b. The front foot 1 1 can alternatively but also be releasably locked to the base 9. The front foot 1 1 of the left

Vehicle seat side may be connected to the front foot 1 1 of the right side of the vehicle seat via a front cross-beam. At the front foot 1 1, the seat cushion 3 is articulated by means of a rocker 13, wherein this rocker 13 has two ends and in the region of these two ends a respective rotary joint is provided, of which a first pivot joint I articulation of the rocker 13 on the front foot 1 and a second pivot joint II forms an articulation of the rocker arm 13 at the front end of the seat cushion 3. At the base 9 is also arranged in the direction of travel behind the front foot 1 1 a separate from the front foot 1 1 rear foot 21. The rear foot 21 of the vehicle left side seat is connected to the rear foot 21 of the right side of the vehicle seat via a cross connection, in particular a cross tube 22. The rear foot 21 is releasably locked to the base 9 by means of a lock 23 attached to the rear foot 21, more specifically to a base-fixed counter element, in this case a bolt 9c fixed to the second seat rail 9b, and is thus indirectly connected to the vehicle structure. The bolt 9 c is in a locked state with the lock 23 in a slot-like receiving opening 21 a of the rear foot 21 (or alternatively a lock housing of the lock 23) centered and is prevented by a latch of the lock 23 from leaving the receiving opening 21 a. The

Receiving opening 21 a has a V-shaped contour and is open in the direction of the base 9. The receiving opening 21 a runs conically in a direction away from the base 9 direction. In the position of use of the vehicle seat 1, the receiving opening 21 a and the pawl of the lock 23 fix the rear foot 21 relative to the base 9 such that only a pure rotational movement of the

Lock 23 and thus the rear foot 21 around the pin 9c is possible.

The rear foot 21 is articulated by means of a link 27 on the front foot 1 1. On both sides of the vehicle seat 1 exactly one such link 27 is arranged accordingly. A third pivot III connects one end of the link 27 to the front foot 1 1, a fourth pivot IV connects the other end of the link 27 to the rear foot 21. Thus, the rear foot 21 is connected by means of the handlebar 27 via the front foot 1 1 articulated to the base 9.

The seat cushion 3 is articulated on both sides by means of exactly one fifth pivot joint V on the backrest 5. The seat cushion 3 is by means of the two fifth

Swivel joints V directly, that is without interposition further

Gear members, hinged to the backrest 5, so that the seat cushion 3 relative to Lean 5 can perform a rotary motion. For this purpose, the frame-shaped seat cushion carrier 3a, more precisely its two side parts, in the direction of travel behind each with an arm 3b provided, which is presently molded on the seat cushion carrier 3a and obliquely upwards (and rear) protrudes. At the end of the arm 3b, the fifth pivot V is arranged. The fifth pivot V is offset from the backrest pivot axis 33 and has a backrest pivot axis 33 parallel pivot axis. In the design position, the fifth hinge V is arranged above and in the direction of travel behind the backrest pivot axis 33. In a modification of the exemplary embodiment, the fifth rotary joint can be arranged above and in the direction of travel in front of the backrest pivot axis 33.

The first pivot joint I, the second pivot joint II, the fitting 7 forming the backrest pivot axis 33 and the fifth pivot joint V form a four-bar linkage, referred to below as a four-link cushion joint, as a first linkage gear. In the use positions of this pillow-four-bar linkage is held locked by the fitting 7 by a relative rotation between the backrest 5 and the rear foot 21 is prevented due to the locked state of the fitting 7. In the use positions and the bottom position shown in Figure 3, the rear foot 21 is locked by means of the lock 23 held on the base 9. At the rear foot 21 and a first fitting part of the fitting 7 is attached. A second fitting part of the fitting 7, which is pivotable about the backrest pivot axis 33 relative to the first fitting part by means of a sixth pivot joint VI and can be locked to the first fitting part, is fastened to the backrest 5. The backrest 5 is thus adjustable by means of the fitting 7 in its inclination relative to the rear foot 21. The Lehnenschwenkachse 33 extends horizontally between the two sides of the vehicle seat and can serve in physical training as a transmission rod between the fittings 7 present on both sides.

Between the seat cushion carrier 3a and the rear foot 21 also acts a rotary push joint as the seventh hinge VII. The rotary push joint (the seventh Joint VII) is in the present case embodied as a link 37 formed on the rear foot 21 into which engages a pin 38 fixedly connected to the seat cushion carrier 3a. The scenery 37 is in forward, that is opened in the direction of travel. When adjusting the inclination of the backrest 5, the fitting 7 is unlocked on each vehicle seat side, the back 5 pivoted about the backrest pivot axis 33 in the desired position, which also moves the pillow four-bar linkage, and then locks both fittings 7 again. A movement of the cushion-four-joint also changes the inclination of the seat cushion 3 slightly. The backrest 5 can optionally also be pivoted to the rear, so that the vehicle seat 1 assumes a lying position.

For transferring the vehicle seat 1 in a shown in Figure 2

Entry position as an excellent non-use position, the lock 23 is unlocked. The fitting 7 and thus the sixth pivot VI remains locked. The first pivot joint I, the second pivot joint II, the third pivot joint III, the fourth pivot joint IV, the fifth pivot joint V and the seventh joint VII (rotary thrust joint) define a positive, second coupling gear with a degree of freedom of one. As a result, the vehicle seat 1 can be pivoted back and forth in a path clearly defined by the second coupling gear between the position of use and the entry position. The hinges I, II, III, IV, V have a degree of freedom of one and the rotary thrust joint has a degree of freedom of two. The six joints I, II, III, IV, V, VII connect the five gear members base 9, rocker 13, seat cushion support 3a, backrest 5 (rear foot 21) and front foot 1 1 articulated with each other. In terms of transmission technology, the rear foot 21 and the backrest 5 jointly form a transmission element due to the locked fitting 7. The seventh hinge VII (rotary push hinge) is arranged such that rotation of the seat cushion support 3a relative to the backrest 5 is blocked around the fifth hinge V.

For transferring the vehicle seat 1 from that shown in FIG

Use position in the entry position shown in Figure 2 we the rear Foot 21 is offset by means of the handlebar 27 to the front by the rear foot 21 is moved relative to the base 9 up and forward by the superposition of several pivotal movements, whereby it moves away from the base 9. The fitting 7 remains locked. As a result, the back 5 is in a rigid arrangement relative to the rear foot 21, but pivots forward in total. The swinging forward rocker 13 lowers the front end of the seat cushion 3, while the

Offset movement of the rear foot 21 raises the rear end of the seat cushion 3. If the entry position is reached, in which the access to a rear row of seats is facilitated, optionally the lock 23 or another

Lock locking device with the front foot 1 1 or the second seat rail 9b, i. the rear foot 21 and the front foot 1 1 or the rear foot 21 and the second seat rail 9b are preferably locked together. A return from the entry position into the position of use takes place after the release of said locking between the feet 1 1 and 21 in the reverse order of the steps described.

The vehicle seat 1 can optionally be designed such that at a

Transition from the use position to the entry position also the

Locking the seat rails 9a and 9b unlocked positively controlled, so that the second seat rail 9b is displaced forward, which increases the space behind the vehicle seat 1, so the Einstiegsmaß, and additionally facilitates access.

For transferring the vehicle seat 1 in a floor position (flat-floor position) as a further excellent non-use position, in which a

enlarged luggage space is available, the back 5 is pivoted after unlocking the fitting 7 to the front. The lock 23 remains locked so that the rear foot 21 remains stationary relative to the base 9. As a result, the handlebar 27 remains stationary, so that the two pivots III and IV associated with the handlebar 27 are held immovably and in the definition of the previously described first linkage are disregarded. The pin 38 is already at the beginning of the pivoting movement of the back 5 out of engagement of the gate 37, so that the seventh joint VII (rotary thrust joint) in the definition of the first linkage described above is disregarded. As with the

Tilt adjustment thus moves only the pillow four-bar linkage. By

Moving the rocker 13 forward, the pillow-four-bar joint and thus the seat cushion 3 begins to lower. With the approach to the bottom position, in which the back of the back 5 is at least approximately in the horizontal, the backrest 5 is placed on the seat cushion 3. During the transfer of the vehicle seat 1 in the bottom position remains

Rail lock locked.

In a modification of the embodiment, the rail lock during the transfer of the vehicle seat in the bottom position inevitably by a known mechanism (for example, known from DE 10 2007 036 450 B3 active principle) opened and the vehicle seat is moved by a spring in a rear Längseinsteilposition ,

An optional backup of the folded bottom position can be done by locking the fitting 7. The return to the previously occupied position of use takes place, optionally after unlocking the fitting 7, in the reverse order of the steps described.

In FIGS. 5 and 6, a second embodiment of a

Inventive vehicle seat 1 shown, which corresponds to the first embodiment with respect to the components and functions except for the differences described below. In particular, the vehicle seat 1 of the second embodiment can be transferred from a use position selectively in an entry position or in a bottom position. Equivalent components of the second embodiment bear the same reference numerals as in the first embodiment. With regard to the function of the equivalent components, reference is made to the description of the first embodiment. In comparison with the first embodiment, a seventh hinge VII of the second embodiment designed as a rotary push-type joint has a different construction, but has the same function. The seventh joint VII has a U-shaped fork 39. The fork 39 has two legs 39a and is opposite to the direction of travel open to the rear. In this case, an elongated opening formed by the fork 39 extends obliquely to a horizontal. The fork 39 is connected to the arm 3b of the seat cushion support 3a, in the present case made in one piece. The fork 39 takes in the position of use, during the transfer to the entry position and in the entry position, the cross tube 22 in itself. In this case, the width of the opening of the fork 39, that is, the distance between the two

Leg 39a to each other only slightly larger than the diameter of the cross tube 22 in the region of the fork 39. The cross tube 22 and the fork 39 thus form a rotary thrust joint (a seventh joint VII), between the

Seat cushion support 3a and the rear foot 21 to which the cross tube 22 is attached, is effective.

During the transition from the use position to the entry position, the seventh joint VII prevents rotation between the seat cushion carrier 3a and the backrest 5. This is achieved in that the fork 39 is aligned differently to a direction tangential to the fifth joint V.

At the transition of the vehicle seat 1 of the use position in the

Bottom position come already at the beginning of the pivoting movement of the backrest 5, the fork 39 and the cross tube 22 disengaged, so that the seventh joint VII (rotary thrust joint) in the definition of the first described above

Coupling gear is disregarded.

In a modification of the second embodiment, instead of the

complete fork 39 only one leg 39a on the arm 3b of the

Seat cushion support 3a formed, which rests on top of the cross tube 22 and biased by a spring, not shown in the figures on the cross tube 22 becomes. The spring can be arranged between the rocker 13 and the seat cushion carrier 3a and the seat cushion support 3a so with a force

impinge that the leg 39 a is clamped from above on the cross tube 22.

The features disclosed in the foregoing description, the claims and the drawings may be of importance both individually and in combination for the realization of the invention in its various forms.

LIST OF REFERENCE NUMBERS

I vehicle seat

3 seat cushions

3a seat cushion carrier

3b arm

5 backrest

7 fitting

9 base

9a first seat rail

9b second seat rail

9c bolt

I I front foot

13 swingarm

21 back foot

21 a receiving opening

22 cross tube

23 Castle

27 handlebars

33 backrest pivot axis

37 scenery

38 cones

39 fork

39a thighs

I first swivel

II second pivot

III third pivot

IV fourth pivot

V fifth pivot

VI sixth rotary joint

VII seventh joint, rotary push joint

Claims

claims

Vehicle seat (1), in particular motor vehicle seat, with

a seat cushion (3) and a backrest (5), and

a kinematics (3a, 5, 1 1, 13, 21, 27, I, II, III, IV, V, VI, VII) for transferring the vehicle seat (1) from a suitable position for transporting people in either an entry position or in a

Bottom position,

characterized in that

the kinematics has a rotary thrust joint (VII) which during the

Conversion of the use position in the entry position between two gear members (3a, 21) of the kinematics is effective and at least temporarily ineffective during the transfer of the use position in the bottom position.

Vehicle seat (1) according to claim 1, characterized in that the

Kinematics (3a, 5, 1 1, 13, 21, 27, I, II, III, IV, V, VI, VII) is hinged to a base (9).

Vehicle seat (1) according to claim 2, characterized in that the base (9) is a seat rails (9a, 9b) exhibiting seat length adjuster.

Vehicle seat (1) according to claim 2 or 3, comprising:

a) a rocker (13) which is articulated at least indirectly on the base (9), in particular on a at the base (9) mounted front foot (1 1),

b) a seat cushion carrier (3a) which is articulated on the rocker (13), wherein from the seat cushion carrier (3a) an arm (3b) protrudes, at whose end a joint (V) is arranged, by means of which the seat cushion carrier (3a) is hinged to the backrest (5), c) a handlebar (27) which at least indirectly on the base (9),

is articulated in particular on the front foot (11) attached to the base (9),

d) a rear foot (21) which is articulated to the handlebar (27) and releasably locked to the base (9), and

e) a lockable fitting (7), the backrest (5) to a

Lehnenschwenkachse (33) pivotally hinged to the rear foot (21), wherein the transition of the vehicle seat (1) in the entry position of the rear foot (21) unlocked and by means of the at least one link (27) from the base (9) and thereby the rear end of the seat cushion (3) raises while the backrest (5) pivots forward, in particular while maintaining its inclination relative to the rear foot (21), and in particular wherein the

Swings rocker (13) forward and lowers the front end of the seat cushion (3).

5. Vehicle seat (1) according to claim 4, characterized in that the

Vehicle seat (1) is constructed largely mirror-symmetrical, and thereby essential components of the kinematics (1 1, 13, 21, 27, I, II, III, IV, V, VI, VII) each once on each of two vehicle seat sides of the

Vehicle seat (1) are present.

6. Vehicle seat (1) according to claim 5, characterized in that on each vehicle seat side exactly a handlebar (27) is arranged, each of which connects a front foot (1 1) with a rear foot (21) articulated.

7. Vehicle seat (1) according to one of claims 4 to 6, characterized

in that the rotary push joint (VII) couples the rear foot (21) and the seat cushion carrier (3a) together.

8. Vehicle seat (1) according to one of claims 4 to 7, characterized in that the rotary push joint (VII) has a pin (38) and a pin (38) leading link (37).

9. Vehicle seat (1) according to claim 8, characterized in that during the transfer of the vehicle seat (1) from the use position in the bottom position of the pin (38) from the gate (37) is moved out.

10. Vehicle seat (1) according to one of claims 4 to 7, characterized

in that the rotary push joint (VII) has a fork (39) and a transverse tube (22), wherein the fork (39) engages around the transverse tube (22).

1 1. Vehicle seat (1) according to claim 10, characterized in that the fork (39) is fixed to the seat cushion carrier (3a).

12. vehicle seat (1) according to claim 10 or 1 1, characterized in that the cross tube (22) connects two rear feet (21) with each other,

13. Vehicle seat (1) according to one of claims 4 to 12, characterized

characterized in that the rotary push joint (VII) by supporting a

Area of the seat cushion support (3a) on at least one rear foot (21) is formed.

14. Vehicle seat (1) according to one of claims 4 to 12, characterized

characterized in that the rotary push joint (VII) by supporting a

Area of the seat cushion support (3a) on a two rear feet (21) interconnecting component is formed.

15. Vehicle seat (1) according to claim 14, characterized in that the two rear feet (21) interconnecting component is a cross tube.