EP4405251A1 - Sitzanordnung - Google Patents
SitzanordnungInfo
- Publication number
- EP4405251A1 EP4405251A1 EP22778008.7A EP22778008A EP4405251A1 EP 4405251 A1 EP4405251 A1 EP 4405251A1 EP 22778008 A EP22778008 A EP 22778008A EP 4405251 A1 EP4405251 A1 EP 4405251A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- seat
- backrest
- arrangement according
- pivot axis
- seats
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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- 239000002699 waste material Substances 0.000 claims description 5
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- 238000000034 method Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 4
- 230000008054 signal transmission Effects 0.000 description 3
- 230000010006 flight Effects 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000029305 taxis Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D11/00—Passenger or crew accommodation; Flight-deck installations not otherwise provided for
- B64D11/06—Arrangements of seats, or adaptations or details specially adapted for aircraft seats
- B64D11/0639—Arrangements of seats, or adaptations or details specially adapted for aircraft seats with features for adjustment or converting of seats
-
- 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
- B60N2/01—Arrangement of seats relative to one another
-
- 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
- B60N2/3004—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats back-rest movements by rotation only
- B60N2/3018—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats back-rest movements by rotation only about vertical axis
-
- 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
- B60N2/90—Details or parts not otherwise provided for
- B60N2/995—Lower-leg-rests, e.g. calf-rests
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D11/00—Passenger or crew accommodation; Flight-deck installations not otherwise provided for
- B64D11/06—Arrangements of seats, or adaptations or details specially adapted for aircraft seats
- B64D11/0639—Arrangements of seats, or adaptations or details specially adapted for aircraft seats with features for adjustment or converting of seats
- B64D11/0641—Seats convertible into beds
Definitions
- the invention relates to a seat arrangement, in particular for an aircraft.
- Airplane seat spacing is accordingly perceived as too narrow and seating comfort as uncomfortable, particularly by tall people or people who require a lot of space.
- the object of the invention is to provide an improved and more flexible use of the interior or the passenger cabin of an aircraft and thus to improve the travel comfort and individual travel requirements of the passengers.
- the invention contemplates a seat assembly.
- the seat arrangement has a first row of seats, which includes at least one first seat, and an at least second row of seats, which is arranged behind it and includes at least one second seat.
- the second seat is located behind the first seat.
- the first seat has a seat surface, which is provided by a seat structure, and a backrest, the backrest having a pivot axis and being designed to be pivotable about the pivot axis.
- the backrest comprises two substantially vertical side edges, the horizontal connection of which defines a transverse direction and between which a centerline of the backrest is defined centrally (the centerline being defined by the midpoints of the transverse connection lines between the side edges, which are rectilinear in the case of symmetrical side edges ).
- the pivot axis is formed by a vertical axis and is arranged in a position which is offset from the center line of the backrest in the transverse direction.
- the first seat is provided and designed to release the seat surface of the first seat by pivoting the backrest about the pivot axis for a user of the second seat and to provide this user with a free area for individual use.
- the invention is based on the idea that if seats are not occupied, the backrest of the front seat, seen from the perspective of the second seat, can be pivoted and the free area of the front seat surface can be used individually for other purposes.
- the front seat can be booked additionally for the purpose of individual needs. Locating the pivot axis in an area laterally offset from the centerline of the first seat allows the backrest to swing open sideways like a door.
- the vertical axis, through which the pivot axis is formed, extends in the largely vertical direction of the aircraft.
- the original seat designed for conventional sitting, can be replaced by one directly behind on the be freely accessible to the passenger sitting in the second seat as an additional usable or storage area and used for other purposes and tasks.
- the area can be used for additional legroom and as a storage area for feet/legs.
- the invention also makes it possible to use the seat as a usable area for other functions, individual needs and target groups, for example as a lying and/or sleeping area, without the backrest having to be removed for this purpose or completely removed from the seat.
- Examples of other functions, individual needs and target groups are pregnant women, small children who do not have a seat of their own, animals and objects in transport boxes or luggage and people with restricted mobility.
- the occupancy of additionally required seating or usable space can be made possible for passengers with a booking option before or during the trip and can therefore be planned.
- free front seats can also be allocated without the possibility of booking, depending on availability and occupancy, provided that not all seats on the aircraft are occupied.
- the fixed seat distances and thus the distances to the front backrest are designed to be structurally variable. In this way, the otherwise unused space can be used and sold effectively according to market requirements or demand, without losing the conventional seating function.
- the combination of seat surface and floor space for functions other than sitting enables airlines to market new seat configurations that are not possible with conventional seats, in addition to increasing comfort.
- the pivot axis is located in a position offset transversely from the center line of the backrest does not necessarily mean that the center line and the pivot axis are parallel to each other. All that is required is a distance in the area of the backrest between the center line and the pivot axis, it also being possible for the center line and the pivot axis to be formed at an angle to one another. The transfer of The pivot axis relative to the center line can therefore be in a parallel or angular arrangement.
- VTOL Vertical Take-Off and Landing
- helicopters helicopters
- flight screwdrivers or air taxis.
- the pivot axis is arranged in the area of one of the side edges, with the backrest being pivotable to the right or left and thereby forwards or backwards.
- the backrest being pivotable to the right or left and thereby forwards or backwards.
- it is possible to pivot the backrest backwards by pivoting the backrest in the direction of an area located behind the seat.
- Pivoting the backrest to an adjacent seat can be advantageous if it is desired that an occupant sitting on the adjacent seat is spatially separated from the vacated seat by the pivoted backrest, for example if the vacated seat is used by a passenger behind to occupy a seat meal or to put your feet down.
- the backrest of the first seat is pivotable between a first, non-squandering position and a second, squandering position, the backrest being lockable and unlockable in both positions.
- the first, non-pivoted position is the position of the seat back where an occupant would be seated in the seat and where the transverse direction defined by the seat back typically corresponds to a transverse direction of the aircraft.
- the lockability provides the necessary security that the backrest remains in these two fixed positions and does not move freely around the swivel axis. This prevents passengers from being injured or objects from being damaged by an uncontrolled pivoting of the backrest, for example in the event of turbulence during the flight.
- a pivoting corresponds only approximately to a rotation of 90° and is in a range of 75° to 90° or a range of 90° to 105°, in particular in a range of 80° to 90°.
- pivoting in a front direction is preferably provided.
- pivoting to the rear is also possible in an alternative embodiment.
- the directional descriptions "front” and “back” refer to a longitudinal axis that corresponds to the direction of movement of the aircraft, the description “above” / “below” refers to the vertical axis and the description “left” / “right” / “sideways ' on the transverse axis.
- the first seat has a lock.
- the lock is designed to lock the backrest in the first position and can in principle be operated by passengers and/or flight crew members.
- the lock includes a snap latch and a snap bolt.
- the snap latch is formed by a recess formed in a hinge plate, directly in the seat structure, or in an armrest that is part of the seat structure.
- the snap bolt is resiliently mounted, protrudes from the backrest and is designed to be received by the snap latch for locking.
- the seat structure is mostly arranged below the seat surface and fixes the first seat on a preferably flat surface of the aircraft.
- the seat construction can connect a plurality of seats, in particular when the seats are arranged as a row of seats.
- the seat construction includes two armrests, which extend upwards from the side of the backrest in order to provide, for example, a fastening for two armrests.
- the snap mechanism with the snap catch and the snap bolt is also arranged the other way around. Provision can thus be made for the first seat to have a locking mechanism which is designed to lock the backrest in the first position, the lock comprising a latch and a latch bolt formed by a recess formed in the backrest.
- the snap bolt is spring-loaded and protrudes from the hinge plate, the seat structure or the armrest and is designed to be received by the snap latch for locking.
- the backrest is locked in the pivoted position by a mechanical locking device, a latchable hinge or a manual device.
- the backrest can be secured against pivoting back, for example manually by manually inserting a blocking device.
- the principle of a snap latch and a snap bolt can also be used to lock the backrest in the wasteful, second pivoting position.
- the corresponding snap latch is embedded in the seat construction and the snap bolt is arranged on an underside of the backrest.
- the locking can be released by an operating device which mechanically or electrically provides a force transmission to the bolt in order to unlock or lock it.
- the operating device is advantageously arranged on a rear side of the backrest or on an upper edge of the backrest, so that it is easily possible to actuate or control the operating device individually for the respective seat.
- the operating device can be arranged centrally at any other location on the backrest or in an armrest or in the electrical power transmission and can therefore be controlled by the flight crew members.
- the operating device can be operated electronically and/or remotely. In this way, it is particularly easy for crew members to have control over the seat back position and to lock it, for example, during take-off or landing, without having to move to each individual seat.
- the locking can be implemented by mechanical power transmission, for example via cable pulls or rods. It is preferably provided that the Operating device is a one-hand rotary handle, the basic function of which is similar to that of front doors, and its rotary actuation enables power transmission to lock and the lock is released.
- the snap bolt is released from the snap latch via a cable pull and against the spring force of the snap bolt in the direction of the center line of the backrest. After releasing the snap bolt, the backrest can be swiveled around the swivel axis.
- the operating device can have an additional safety or locking device.
- the lock can be released via an unlocking mechanism connected to electronics.
- the unlocking mechanism can be triggered, for example, by actuating an electronic switch or via wireless signal transmission.
- the wireless signal transmission also enables the operating device to be triggered from any location in the aircraft.
- operation is provided via a mobile app on a personal mobile device, via remote control or via a Bluetooth device.
- the operating device can be controlled centrally.
- the backrest lock can be accessed from a central location via electronic signal transmission. This is particularly advantageous if a number of operating devices from a number of passenger seats can be operated in parallel via the central location, for example by an FAP (Flight Attendant Panel).
- FAP Light Attendant Panel
- the lock has a plurality of bolts.
- the provision of several bolts, in particular snap-action bolts, for load bearing serves to ensure that the use of the first seat is ensured even in the case of a load bearing required for certification in aircraft, even under fail-safe conditions (assumed failure of a safety bolt).
- the pivot axis is provided by at least one articulated or rotatable connection which forms the backrest together with the seat structure.
- the seat construction can form a vertical extension that provides the articulated connection and that forms the pivot axis.
- the vertical extension can be designed like a pivot axis of a rotatable office chair on which the backrest rests.
- the pivot axis has at least one hinge.
- a double hinge consists of two single hinges, which are arranged one above the other and have increased axial stability.
- the hinge or the double hinge can have an integrated latching function, which additionally allows the backrest to latch into the second pivoted position after pivoting from the first pivoted position.
- the backrest can also be pivoted with the aid of electrically operated hinges, which additionally have a motor for pivoting.
- the hinge is connected to the seat structure and to a frame structure of the backrest via a screw or welded connection.
- the frame construction absorbs the mechanical loads on the backrest and forms a framework for the backrest.
- the hinge can also be connected via additional connecting means, for example rivets.
- the first seat has a damping mechanism which is provided and designed to dampen a pivoting movement of the backrest about the almost vertical pivot axis.
- the damping mechanism can be integrated into the hinge, for example.
- the damping function prevents the backrest from rotating too quickly in an uncontrolled manner and can thus prevent body parts from becoming trapped.
- the safety of the seat is increased by the slower pivoting of the backrest due to the damping mechanism.
- the seat arrangement has a status indicator that indicates whether the backrest of the seat is in a locked or open position. This can be particularly advantageous in terms of security. In aviation, for example, it may be necessary for all seats to be in a locked position when landing or taking off.
- the locking status can be displayed by the status display near the seat or centrally, for example on an FAP (Flight Attendant Panel).
- the status display can be in the form of two-color LEDs (red for an open/rotated backrest and green for a closed or additionally secured/locked backrest) for at least one seat with a rotating backrest or for an entire row of seats with rotating backrests.
- the first seat has two armrests, with at least one of the two armrests being able to be folded up or removed from the first seat or the seat structure.
- Two armrests which are part of the seat construction, protrude upwards along an area located to the side of the side edges.
- the armrests are foldably connected to the armrest.
- the armrests are also unnecessary and can accordingly be folded up.
- folding the armrest up can facilitate pivoting of the backrest since the armrest could get in the way of full pivoting movement of the backrest in the normal folded down position for use.
- the first seat can have two armrests, with at least one of the two armrests being removable.
- this has the advantage that pivoting of the backrest can be facilitated and the armrests are unnecessary if the backrest is in a sloping position.
- the seat arrangement is part of a passenger seat row arrangement in an aircraft.
- the first seat according to the invention thus solves in particular the fundamental and well-known problem of limited and restricted legroom, particularly in the low-cost airline segment or in airlines that only have a concentrated economy seat class, sometimes in conjunction with premium economy seat classes. Thanks to the swiveling backrest, even on a long flight lasting several hours, even in a crowded passenger cabin, a passenger can enjoy seating comfort that can otherwise only be offered in premium economy, business class or first class.
- the average passenger load factor (designated by airlines as PLF - passenger load factor) varies greatly between aircraft. As a rule, there are only a few airlines that always fly at full capacity. Instead, the rule is that flights are operated with free and unused seats. In particular in the case of flights that are not fully booked, the seat according to the invention enables greater comfort for the aircraft passengers and an improved travel experience. It can also be provided that the seats according to the invention can be booked as flexible seats. For example, if taller than average people or people with individual travel needs are flying, depending on the business and booking model of an airline, they can also book the front seat and have sufficient legroom by swiveling the backrest on the front seat or use the seat for other individual needs.
- the swivel function in small and very small aircraft enables easier boarding across a row of seats with the backrest swivelled, so that when boarding the aircraft, access to a row of seats, for example for the flight crew, is also possible without or with a particularly narrow center aisle is sufficient. In this way it can even be possible that an access door can be omitted.
- a plurality of seats in a row of seats form a row of seats which have a common substructure, with the first seat and the second seat each being part of a row of seats.
- a seat row of an aircraft can be formed by one or more passenger seat row arrangements.
- the first seat of the seat arrangement is provided and designed as a window seat.
- the pivotable seat may be a center seat or an aisle seat, or a window and aisle seat, for example.
- the pivotable backrest of the first seat can be pivoted to a window side.
- the pivoted backrest can be pivoted to the side wall of the aircraft to save space, so that the backrest does not interfere with the interior of the aircraft.
- the seat arrangement can also be designed such that the pivotable backrest of the first seat can be pivoted in a direction away from the window side. This can be particularly advantageous if a spatial separation between an adjacent seat and the seat surface made free by the pivoting of the backrest is desired, for example if a passenger located behind the seat puts his feet on the seat surface.
- all seats in the first row of the seat arrangement have a backrest that can be pivoted according to the invention.
- the seating arrangement is particularly variable, so that depending on the number of occupied seats, good adaptation to the space requirements of the passengers is made possible.
- the second seat is designed in the same way as the first seat, so that the seat arrangement can be made even more variable.
- the invention relates to an aircraft with a seat arrangement which is designed according to the present invention.
- a further aspect of the invention relates to a method for utilizing seat surfaces in an aircraft.
- a backrest of the first seat which comprises two essentially vertical side edges, through the horizontal connection of which a transverse direction is defined and between which a center line of the backrest is defined centrally, can be pivoted about a pivot axis that is offset from the center line in the transverse direction and is formed by a vertical axis .
- the backrest can then be moved from a first, non-waste position to a second, given-away position or vice versa, with the backrest being locked in the position it is in each case.
- the present invention relates to the use of a seat according to the invention, the seat being used by the user of a second seat, which is arranged behind the first seat, in such a way that the seat surface of the first seat is tilted by pivoting the backrest about the pivot axis released and made available for individual use by the user of the second seat.
- the area of the seat can be used as leg support for the user of the second seat.
- the area of the seat can be used for a small child or the seat shell of a small child.
- the seat can be used in an aircraft.
- use in a VTOL aircraft can be provided.
- use in a passenger train, a coach, an automobile, a passenger ship or another means of transport for passenger transport can also be provided.
- FIG. 1 shows an interior of an aircraft with passenger seat row arrangements which are arranged in seat rows;
- FIG. 2 shows an interior of an aircraft corresponding to FIG. 1, in which the backrests on some window seats of the passenger seat row arrangements are pivoted forward;
- FIG. 3 shows an interior of an aircraft corresponding to FIGS. 1 and 2, in which in several seat rows all the backrests of the seats of the passenger seat row arrangements are pivoted forward, the backrests of the seat rows arranged behind them not being pivoted;
- FIG. 4 shows three adjacent passenger seats which together form a row of seats, the backrest of one of the seats being pivoted forward laterally by 90°, the pivot axis being arranged on the side of the seat facing the adjacent seat;
- FIG. 5 shows an arrangement of a row of seats corresponding to FIG. 4, the pivot axis being arranged on the side of the seat facing away from the adjacent seat;
- FIG. 6 shows a perspective from the side from the rear of two seats, each of which has a pivoting backrest, with locking elements for locking the seats being shown and an armrest being shown in the unfastened/unmounted state for better understanding;
- figure ? a row of three seats, one of which has an armrest removed and the backrest shown only in relation to its framework;
- FIG. 8 shows an exploded view of a hinge arrangement for a pivoting backrest of a seat according to FIG. 7;
- FIG. 9 shows a perspective view of two rows of seats, with a seat in the front row of seats having a pivoted backrest and a passenger being arranged in the rear row of seats, who lays out his legs on the vacated seat surface.
- Figures 1 to 3 show a through an aircraft wall from a perspective from above
- FIG. 1 shows part of the aircraft interior with a plurality of passenger seat row arrangements 101, which are each formed from three conventional seats and are arranged in parallel rows of seats.
- the seats of the passenger row arrangement are each formed from three conventional seats and are arranged in parallel rows of seats.
- a row of seats is formed by two rows of passenger seats 101, which in this example are separated by only one central aisle, this only being to be understood as an example. Also, an alternative layout of the aircraft interior and deviating number of aisles may be provided that the individual seats are individual constructions without several passenger seats being assembled into passenger seat row arrangements.
- the aircraft has a longitudinal axis L, which corresponds to a longitudinal extension of the aircraft, and a transverse axis Q.
- the direction of the transverse axis Q corresponds to the orientation of the rows of seats. It corresponds to a transverse direction of the aircraft seat 1, as shown in more detail with reference to FIG.
- a backrest 2 and a seat surface 3 arranged in front of the backrest 2 are shown schematically for each seat.
- the directional descriptions "front” / "back” relate to the longitudinal axis L, the description “top” / “bottom” to a vertical vertical axis H and the description "left” / "right” / “sideways” to the transverse axis Q.
- Figure 2 shows a seat arrangement according to the invention in the aircraft interior, in which individual seats 1 of the passenger seat row arrangements 101 have a pivotable backrest 2, which can be pivoted from a first position of 0°, which corresponds to a normal seating position for a seated passenger, into a second pivoting position are pivoted forward.
- a pivot axis 4, around which the backrest 2 can be rotated, is located in an edge region of the backrest 2, so that the backrest
- the pivoted backrests 2 are only arranged on window seats, ie at the lateral end of a row of seats adjacent to the aircraft wall 100 and are only shown in one pivoting direction.
- the pivot axis 4 of the backrest 2 is arranged on the side facing away from the aircraft wall 100, so that the backrest 2 pivots away from the aircraft wall 100 and is arranged in a second position pivoted 90° forward and to a neighboring seat.
- the pivoted backrest 2 makes it possible for the seat 3 to be used for other purposes.
- a passenger or occupant traveling in the seat behind can use the freed up space for improved legroom, for example.
- the backrest 2 is not pivoted forwards, but backwards, around the seat
- FIG. 3 shows an aircraft interior in which all seats 1 in a row of seats or in the passenger seat row arrangements 101 forming this are pivoted forward alternately, with the backrests 2 not in the row of seats arranged behind are pivoted.
- an increased space with improved legroom is provided for all passengers occupying seats located behind the lavish backrests 2 in the row of seats 1 located in front.
- FIG. 4 shows three adjacent passenger seats 1, which together form a passenger seat row arrangement 101.
- the backrest 2 is pivoted laterally forwards by almost 90° into a second position, so that a front side 24 of the backrest 2 faces the adjacent seat.
- the backrest 2 is in each case arranged in the original position of 0°.
- the arrangement of FIG. 4 thus corresponds to the arrangement shown in FIG. 2, in which the backrest 2 of a window seat is pivoted forward.
- the pivotable backrest 2 is pivoted about a pivot axis 4 .
- the pivot axis 4 extends in a direction which essentially corresponds to the direction of an almost vertical vertical axis H of the aircraft.
- the backrest 2 has two side edges 21, 22, the first side edge 21 being defined in that it is at a smaller distance from the pivot axis 4 than the second side edge 22. Both side edges 21, 22 run essentially in the vertical direction. In addition, the backrest has an upper edge 23 . Typically, the side edges 21 , 22 are formed symmetrically in the seat 1 .
- a transverse direction of the seats 1 is defined by a horizontal connection between the first side edge 21 and the second side edge 22 .
- the center between the side edges 21 , 22 defines an imaginary center line 27 of the backrest 2 .
- the pivot axis 4 is arranged in the area of the first side edge 21 .
- the pivot axis 4 can also be arranged at an alternative position in the seat.
- the pivot axis 4 is offset from the center line 27 of the backrest 2 in the transverse direction, so that the backrest 2 can be pivoted laterally, like a door.
- An offset in the transverse direction and at a distance from the adjacent side edge is also possible.
- the pivot axis 4 can run parallel to or at an angle to the center line 27 .
- pivot axis 4 does not necessarily have to coincide exactly with the vertical axis H of the aircraft, namely when the Pivot axis 4 does not run exactly upwards, for example because the backrest of the seat 1 is slightly inclined. Nevertheless, it is a vertical axis, since it primarily runs in the vertical direction.
- a seat structure 10 forms a mechanical framework which supports the seat 1 on a floor (not shown) and additionally connects the seat 1 to the adjacent conventional seats 1 of the row arrangement 101 of passenger seats.
- a first armrest 53 and a second armrest 54 form an upper part of the seat structure 10 and protrude laterally to anchor a first armrest 51 and a second armrest 52 .
- the two armrests 51, 52 are used so that a passenger can support his arms on them. Accordingly, they extend forward from the armrests 53, 54 at a height corresponding to the height of an elbow of the passenger seated in the seat 1.
- the first armrest 53 and the first armrest 51 are arranged in the area of the first side edge 21 and the second armrest 54 and the second armrest 52 are arranged in the area of the second side edge 22 .
- the armrests 51, 52 are not absolutely necessary in order to use the pivoting backrest. Use without armrests or with armrests that can be folded upwards is also provided in other exemplary embodiments that are not shown.
- the first armrest 53 is connected to the backrest 2 via a hinge, which is explained in more detail with reference to FIG. 6, and the second armrest 54 is connected to the backrest 2 via a snap mechanism.
- the second side edge 22 is removed from the second armrest 52 by pivoting the backrest 2 forward.
- the second side edge 22 thus forms a free-standing end of the backrest 2.
- a snap bolt 8 protrudes from the second side edge 22.
- FIG. The snap bolt 8 is designed to snap into a snap catch 9 designed as a depression in the second armrest 54 for fastening purposes and thus to fix the backrest 2 in the first, non-waste position.
- the snap bolt 8 is resiliently mounted in the backrest 2 so that the snap bolt 8 automatically moves into the snap latch 9 for locking when the backrest 2 is in the first position.
- the snap bolt 8 is connected to an operating device (corresponding to the operating device 7 in FIG. 5) formed on a rear side 25 of the backrest 2 .
- an operating device corresponding to the operating device 7 in FIG. 5
- the snap bolt 8 against the spring force retract, so that the backrest 2 can be detached from the second armrest 22 and then pivoted.
- the operating device is in the form of a one-hand rotary handle, the rotary actuation of which allows power to be transmitted for unlocking the snap-action mechanism.
- the operating device is connected to the snap bolt 8 via a cable pull (not shown) in such a way that when the operating device is rotated, the snap bolt 8 is retracted in the direction of the center line 27 of the backrest 2 and thus counter to the spring force and the backrest 2 is released from the snap latch 9. After loosening the snap bolt 8, the backrest 2 can be pivoted about the pivot axis 4 into the second, pivoted position.
- the pivot axis 4 is arranged on a side of the seat 1 that faces the neighboring seat 1 , so that the backrest 2 is pivoted toward the neighboring seat 1 . In this way, a spatial separation between the neighboring seat 1 and the seat surface 3 that has become free as a result of the pivoting of the backrest 2 is achieved.
- FIG. 5 shows an arrangement of a row of passenger seats 101 corresponding to FIG.
- the backrest 2 is pivoted forwards by almost 90°, so that the backrest 2 is pivoted away from the adjacent seats and a rear side 25 of the backrest 2 is visible.
- the first armrest 53 and the first armrest 53 are covered by the pivoted backrest 2 .
- the first armrest 53 can be removed or folded up in order to achieve better pivotability of the backrest 2 .
- the already mentioned operating device 7 can be seen.
- FIG. 6 shows two seats 1 from the side from behind, each with a pivotable backrest 2, the pivotability of the backrests 2 on the left of the two seats 1 shown being indicated by dashed lines.
- the backrest 2 is pivotably connected to the first armrest 53 via a double hinge consisting of an upper hinge 62 and a lower hinge 61 .
- the second armrest 54 is shown spaced apart in this illustration of the backrest 2 so that the snap mechanism is visible.
- the snap bolt 8 protrudes from the second side edge 22 of the backrest 2 and is connected to the operating device 7 .
- a dashed line 81 symbolizes the connection between the snap bolt 8 and the operating device 7.
- the snap bolt 8 protrudes from the second side edge 22 at exactly the point where the snap latch 9 is embedded in the second armrest 54.
- the snap catch 9 can accommodate the snap bolt 8 for locking the backrest 2 in the first position.
- FIG. 7 shows a passenger seat row arrangement 101 consisting of three seats 1 which are connected to one another by a common seat substructure 10 .
- the seats 1 each have an armrest 53 , 54 on both sides, which are part of the seat substructure 10 .
- the armrests 52 extend forward from the armrests 53, 54 in each case.
- the armrests 51, 52 are designed to be removable from the armrests 53, 54.
- the armrests 51, 52 are also unnecessary and accordingly can be omitted.
- an armrest could prevent the backrest 2 from pivoting, so that it may even be necessary to remove the armrest or fold it up so that the backrest 2 pivoted completely into the second Position can be pivoted.
- the two armrests on a seat 1 shown on the left are not shown in order to understand the structure. Furthermore, only a frame structure 26 of the backrest of the seat 1 is shown, which ensures the stability of the backrest. In this case, it is provided for the pivotability that the frame construction 26 is connected with a hinge, as illustrated with reference to FIG.
- FIG. 8 shows an exploded view of a hinge arrangement.
- a hinge 6 is fastened to the first armrest 53, which is part of the seat substructure 10, and to the frame construction 26 of the backrest 2.
- the first armrest 51 of the first armrest 53 is not shown.
- the hinge 6 is connected via two threaded screws 13 and two sleeve nuts 14 in Holes of the first armrest 53 anchored.
- a hinge plate 64 which covers the sleeve nut 14 , is additionally arranged on the side of the armrest 53 facing away from the hinge 6 .
- the hinge plate 64 in which the snap catch 9 is embedded in the center, is fastened on the side facing away from the hinge with threaded screws 13, which are embedded in corresponding threaded bores in the armrest 53, 54.
- the hinge 6 is connected via a hinge frame 63 to the frame part 26 of the backrest 2 by a further screw connection.
- a hinge arrangement according to FIG. 8 can also be provided for pivoting seats according to FIG.
- FIG. 9 shows a preferred configuration in which a passenger can rest his legs on the seat surface 3 of the seat 1 arranged in front of him.
- the configuration includes a first row of seats 200 and a second row of seats 300.
- Two passenger seat row arrangements 101 of the respective rows of seats 200, 300 arranged one behind the other are shown.
- the backrest 2 of one of the seats 1 is pivoted forward so that the seat surface 3 can be used for other purposes.
- This configuration corresponds to the arrangement known from FIG.
- a passenger is located on a second seat 301 of the rear row of seats 300 .
- the passenger sits exactly behind the seat 1 of the first row of seats, in which the backrest 2 is pivoted, and has stretched out his legs on the seat surface 3 that has become free. Greater legroom is made possible in this way, especially for tall people.
- the seat 1 arranged in front of the passenger can be additionally booked by the passenger when booking. In this way, airlines are given new marketing opportunities.
- the design of the invention is not limited to the exemplary embodiments presented above, which are to be understood merely as examples. Such is the one shown Although seat arranged in the illustrated embodiment in an airplane. However, assignments in other aircraft such as helicopters or air taxis (VTOL - Vertical Take-Off and Landing Aircraft) are also possible.
- the seat according to the invention is not necessarily part of a passenger seat row arrangement that includes a number of seats, but can also form an individual seat.
- the seat can additionally be designed to be pivotable in its inclination.
- provision is made, for example, for pivoting according to the invention to be possible when the backrest of the seat is in the most vertical position.
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE102021124767.5A DE102021124767A1 (de) | 2021-09-24 | 2021-09-24 | Sitz für ein Luftfahrzeug |
PCT/EP2022/076534 WO2023046907A1 (de) | 2021-09-24 | 2022-09-23 | Sitzanordnung |
Publications (1)
Publication Number | Publication Date |
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EP4405251A1 true EP4405251A1 (de) | 2024-07-31 |
Family
ID=84102474
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP22778008.7A Pending EP4405251A1 (de) | 2021-09-24 | 2022-09-23 | Sitzanordnung |
Country Status (3)
Country | Link |
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EP (1) | EP4405251A1 (de) |
DE (1) | DE102021124767A1 (de) |
WO (1) | WO2023046907A1 (de) |
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Publication number | Priority date | Publication date | Assignee | Title |
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US20240228044A9 (en) * | 2022-10-19 | 2024-07-11 | Safran Seats Usa Llc | Swivel backrest with adjustable headrest |
CN117682110B (zh) * | 2024-02-02 | 2024-05-07 | 四川凌空天行科技有限公司 | 一种小冲击返回舱座椅 |
Family Cites Families (25)
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DE3312118C1 (de) | 1983-04-02 | 1984-09-06 | Adam Opel AG, 6090 Rüsselsheim | Ruecksitzanordnung |
JPH03121126U (de) | 1990-03-24 | 1991-12-11 | ||
FR2721869B1 (fr) | 1994-06-30 | 1996-08-02 | Peugeot | Agencement d'un siege avant transformable de vehiccule utilitaire |
US6073986A (en) | 1997-03-14 | 2000-06-13 | Magna Interior Systems, Inc. | Easily handled movable vehicle seat assembly |
DE19721086C1 (de) | 1997-05-20 | 1998-11-19 | Krauss Maffei Ag | Fahrzeug mit Fahrersitz, insbesondere gepanzertes Militärfahrzeug, und Sitz zur Verwendung in dem Fahrzeug |
IT1310124B1 (it) | 1999-07-20 | 2002-02-11 | Lear Corp Italia Spa | Sedile posteriore di autoveicolo con schienale comprendente almeno unaporzione ruotabile intorno ad un asse verticale laterale. |
WO2003008229A1 (en) | 2001-07-17 | 2003-01-30 | Johnson Controls Technology Company | Vehicle seating system |
US6685269B1 (en) | 2002-03-22 | 2004-02-03 | Lear Corporation | Vehicle seat assembly |
FR2863558B1 (fr) | 2003-12-10 | 2006-03-31 | Airbus | Procede pour moduler l'espace interieur d'un vehicule et siege pour la mise en oeuvre de ce procede |
DE102007049646B4 (de) | 2007-10-17 | 2014-03-20 | Faurecia Autositze Gmbh | Fahrzeugsitzanordnung |
DE102007055088B4 (de) | 2007-11-16 | 2013-03-07 | Airbus Operations Gmbh | Sitz mit einem Sitzelement, Sitzanordnung und Verfahren zur Überwachung eines Sitzes |
DE102008047659B4 (de) | 2008-09-12 | 2012-06-14 | Bombardier Transportation Gmbh | Schienenfahrzeug |
US20110227385A1 (en) | 2008-09-30 | 2011-09-22 | Johnson Controls Technology Company | Folding seat system |
WO2011077363A2 (en) | 2009-12-21 | 2011-06-30 | Air New Zealand Limited | Improvements relating to passenger vehicle seating |
FR2959458B1 (fr) | 2010-04-28 | 2012-06-01 | Peugeot Citroen Automobiles Sa | Siege de vehicule modulaire |
FR2978387A1 (fr) * | 2011-07-29 | 2013-02-01 | Renault Sa | Dispositif de montage en rotation d'un panneau mobile dans un vehicule |
DE102012010336A1 (de) | 2012-05-25 | 2013-11-28 | Gm Global Technology Operations, Llc | Fahrzeugsitz für ein Kraftfahrzeug |
DE102016121686B4 (de) | 2016-11-11 | 2021-09-16 | Bombardier Transportation Gmbh | Wagenkasten und Fahrzeug zum Transport von Personen |
DE102017205800A1 (de) * | 2017-04-05 | 2018-10-11 | Airbus Operations Gmbh | Passagiersitz mit bewegbarer Rückenlehne und Sitzgruppe zur Installation in einem Fahrzeug |
DE102017215812A1 (de) | 2017-09-07 | 2019-03-07 | Siemens Mobility GmbH | Sitz, Sitzgruppe, Fahrzeug, Verwendung und Verfahren zum Ändern der Ausrichtung eines Sitzes |
DE102017122252A1 (de) * | 2017-09-26 | 2019-03-28 | Airbus Operations Gmbh | Passagiersitzanordnung, Passagiersitzsystem und Verfahren zur Installation eines Passagiersitzsystems |
CN109228972B (zh) | 2018-08-14 | 2020-11-06 | 北京长城华冠汽车科技股份有限公司 | 座椅和汽车 |
US10688894B2 (en) | 2018-11-01 | 2020-06-23 | Safran Seats Usa Llc | Recliner sofa system for economy class seat |
CA3056454A1 (en) | 2018-12-18 | 2020-06-18 | John G. Schultz | Transformable seat assembly |
DE102019132165A1 (de) | 2019-11-27 | 2021-05-27 | Airbus Operations Gmbh | Passagiersitz mit Rückenlehnenöffnung und Sitzgruppe zur Installation in einem Fahrzeug |
-
2021
- 2021-09-24 DE DE102021124767.5A patent/DE102021124767A1/de active Pending
-
2022
- 2022-09-23 WO PCT/EP2022/076534 patent/WO2023046907A1/de active Application Filing
- 2022-09-23 EP EP22778008.7A patent/EP4405251A1/de active Pending
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WO2023046907A1 (de) | 2023-03-30 |
DE102021124767A1 (de) | 2023-03-30 |
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