US20060290180A1 - Modular seat assembly and method of installation thereof - Google Patents
Modular seat assembly and method of installation thereof Download PDFInfo
- Publication number
- US20060290180A1 US20060290180A1 US11/393,441 US39344106A US2006290180A1 US 20060290180 A1 US20060290180 A1 US 20060290180A1 US 39344106 A US39344106 A US 39344106A US 2006290180 A1 US2006290180 A1 US 2006290180A1
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- US
- United States
- Prior art keywords
- backrest
- unit
- support units
- seat bottom
- seat
- 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.)
- Abandoned
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C13/00—Convertible chairs, stools or benches
- A47C13/005—Modular seating
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C11/00—Benches not otherwise provided for
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- 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
- B60N2/68—Seat frames
-
- 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
- B60N2/68—Seat frames
- B60N2/682—Joining means
-
- 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
- B60N2/70—Upholstery springs ; Upholstery
- B60N2/7011—Upholstery springs ; Upholstery of substantially two-dimensional shape, e.g. hammock-like, plastic shells, fabrics
Definitions
- the present invention relates to seats. More specifically, the present invention is concerned with modular seat assemblies and method of installation thereof.
- a number of seats models are known, for use in vehicles such as school buses for example, of a variety of sizes (45 inches, 39 inches, 34 inches, 30 inches, 26 inches and 18 inches) and heights (high backrest and low backrest) to accommodate a range of vehicle configuration.
- a modular seat assembly comprising at least two support units; at least one backrest unit connected to the at least two support units; and at least one seat bottom unit; wherein the seat bottom unit connects to the at least two support units and to the backrest unit into a locking engagement.
- FIG. 1 is a general view of a modular seat assembly according to an embodiment of a first aspect of the present invention
- FIG. 2 are perspective views of pedestal units used in the modular seat assembly of FIG. 1 ;
- FIG. 3 is a front view of a backrest unit in the modular seat assembly of FIG. 1 ;
- FIG. 4 illustrates a backrest cover of the backrest unit of FIG. 3 ;
- FIG. 5 a is a top view of a seat bottom unit of the modular seat assembly of FIG. 1 ;
- FIG. 6 is a perspective view of a wall bracket unit of the modular seat assembly of FIG. 1 ;
- FIG. 8 shows a second attachment of the units of a modular seat assembly according to an embodiment of the present invention
- FIG. 10 shows a fourth attachment of the units of a modular seat assembly according to an embodiment of the present invention.
- FIG. 11 shows a fifth attachment of the units of the modular seat assembly according to an embodiment of the present invention.
- FIG. 13 shows a seventh attachment of the units of a modular seat assembly according to an embodiment of the present invention.
- FIG. 14 shows a eight attachment of the units of a modular seat assembly according to an embodiment of the present invention.
- FIG. 16 is a perspective view of a support unit used in FIGS. 15 b , 15 c , 15 g , 15 h , 15 i , 15 j and 15 k.
- the support units 12 comprise at least one of a pedestal unit 12 a or 12 d illustrated for example in FIG. 2 , of a wall bracket unit 12 b illustrated for example in FIG. 6 and of a backrest connection 12 c illustrated for example in FIG. 16 .
- the support units 12 may comprise at least one of metal, plastics and composites for example.
- the backrest connecting tube 20 a and the front leg 22 may be round tubes or square tubes for example.
- the seat support part 24 a and the connecting slider 26 a may be folded pieces or square or round tubes for example.
- a wall bracket unit 12 b illustrated in FIG. 6 generally comprises a backrest connecting tube 20 b , an attaching part 18 b , a seat support part 24 b and a connecting slider 26 b.
- a backrest cover 40 may be put on the backrest unit 16 over a backrest molded foam supported by the support member 32 .
- the backrest molded foam may comprise a rear molded foam 40 a and a front molded foam 40 b assembled together by the backrest cover 40 .
- a seat bottom unit 14 generally comprises a frame 44 provided with locking members 50 and 51 and a support member 46 .
- a seat plate 48 which may take the form of a full board, a plywood board, a net of small boards, or of a suspension or of a rod mat as known in the art, is secured over the tubular frame 44 .
- the locking members 50 and 51 may be integrally formed with the frame 44 or separate members.
- the support member 32 of the backrest unit 16 and the support member 46 of the seat bottom unit 14 located between side arms of the frame 30 of the backrest unit 16 and side arms of the frame 44 of the seat bottom unit 14 , rigidify the frames 30 and 44 respectively.
- the seat belt beam 60 is used for attaching seat belts.
- the seat belt beam 60 may be a square tube, a round tube or an angle for example, made in plastic, metal or composite for example, so as to achieve a desired resistance, as people in the art will appreciate.
- the seat belt beam 60 generally engages the connecting sliders 26 a , 26 b , 26 c of the support means 12 a , 12 b , 12 c —as will be described with more details hereinafter.
- the seat assembly comprises seat belt beams 60 , in the form of members extending across a width of the seat bottom unit and provided with perforations.
- the frame 30 of the backrest unit 16 is shown as comprising tube 30 b inserted into tubes 30 , i.e. tubes of different diameters and thicknesses assembled one inside the other, an inner tube 30 b on the inside forming the shape of the backrest unit 16 , while tubes 30 a on the outside are sufficiently rigid to satisfy requirements of Federal Motor Vehicle Safety Standards (FMVSS) 222 (49 CFR 571.222) for example.
- FMVSS Federal Motor Vehicle Safety Standards
- the upper end of the tubes on the outside 30 a may be welded for example, or otherwise secured to, to the tube 30 b on the inside so that, upon impact, the tubes are subjected to a force that bends them plastically towards the front, and, as only one end of the tubes is fastened, both tubes can, at the beginning of the impact, slide one against the other. After a certain time following the impact, the bending of the tubes is such that they are no longer able to slide one against the other. At that moment, an increase in energy is required to bend the tubes further. This variation in energy required to bend the backrest unit allows controlling the passenger's deceleration when hitting the backrest during impact. By adjusting the dimension and the thickness of the tubes, it is therefore possible to meet with the standards required by FMVSS 222.
- the seat assembly comprises a pedestal unit 12 a to be fixed to the floor of a vehicle for example (not shown) through the attaching part 18 a , and a wall bracket unit 12 b fixed to the string course of a wall of the vehicle for example (not shown) through the attaching part 18 b .
- the pedestal unit 12 a is positioned at an extremity of the seat assembly at a position symmetric to that of the wall bracket unit 12 b .
- the pedestal unit 12 a comprises a backrest connecting tube 20 a and a seat support part 24 a (not seen in FIG. 15 a ).
- the connecting anchors 62 and 64 of the backrest unit 16 are received in the backrest connecting tube 20 a of the pedestal 12 a and the backrest connecting tube 20 b of the wall bracket unit 12 b respectively.
- the seat bottom unit 14 is assembled to the seat assembly through its locking members 50 and 51 , as will be described with more details hereinafter.
- the seat assembly comprises two seat bottom units 14 a and 14 b , two backrest units 16 a and 16 b.
- the seat assembly illustrated in FIG. 15 c also comprises a wall bracket unit 12 b fixed to the string course of a wall of the vehicle for example (not shown) through the attaching part 18 b .
- another support means used is a pedestal unit 12 d (as illustrated in detail in FIG. 2 b ) displaced from the extremity of the seat assembly towards an inner position along the width of the seat assembly, by sliding the connecting slider 26 d over the seat belt beam 60 .
- the seat assembly is supported by two pedestal units 12 a positioned at extremities thereof.
- the seat assembly is supported by a first pedestal unit located at a first extremity, a second pedestal unit 12 d located at an inner position along the width of the seat assembly as seen in FIG. 15 c , and a wall bracket unit 12 b at a second extremity, while in FIG. 15 f , the wall bracket unit 12 b at the second extremity is replaced by a third pedestal unit.
- the seat assembly of FIG. 15 g is a variation of the seat assembly illustrated in FIG. 15 b using a pedestal unit 12 d located at an inner position along the width of the seat assembly instead of a pedestal unit located at an extremity
- FIG. 15 h is a further variation using two pedestal units at each extremity and a backrest connection 12 c with two connecting tubes.
- the seat assembly of FIG. 15 b uses an extra pedestal unit located at an inner position along the width of the seat bottom unit.
- FIG. 15 k shows a further variation.
- backrest connections 12 c are used at some positions of the connecting anchors 62 and 64 of the frame 30 of the backrest unit 16 , instead of a pedestal unit 12 a or a wall bracket unit 12 b , in cases when support to the floor or to the wall is provided at locations different from these positions.
- the different units of the seat assembly according to the present assembly generally have functional parts. These parts may take the form of distinct members, the corresponding unit resulting from the assembly of each individual member, or from the assembly of any number of these members pre-assembled together or fabricated together as a subunit.
- the attaching part 18 b and the seat support part 24 b of a wall bracket unit 12 b may be molded as a one-piece member.
- any of the attaching part 18 a , the connecting slider 26 a , the front leg 22 , the backrest connecting tube 20 a and the seat support part 24 a of the pedestal unit 12 a may be pre-assembled in sub-units so that the pedestal unit 12 a be made of 4 or 5 separate sub-units.
- the pedestal unit 12 a may be a one-piece molded unit.
- the different units of the seat assembly themselves may be pre-assembled.
- it may contemplated to pre-assemble a pedestal unit and a seat belt beam or a seat belt beam and a wall bracket unit, by welding or by using a bolt for example, or even a pedestal unit, a seat belt beam and a wall bracket unit in the cases of seat assemblies of the type illustrated in FIG. 15 a for example, or to pre-assemble a backrest unit and a seat bottom unit, or a pedestal unit, a seat belt beam, a seat bottom unit and a wall bracket unit.
- a pre-assembly of a seat belt beam, a seat bottom unit, a backrest unit and a wall bracket unit may be favored for transportation purposes for example, since such pre-assemblies are stackable in a reduced space, the pedestal units being transported separately.
- the units of the present invention are standard units, which may be mass fabricated, while allowing a flexibility of a final assembly at a controlled cost.
- the support means are identical for any kind of desired seat assemblies, considering that they include left and right wall brackets units, left, right and symmetric (in the case of a pedestal unit located at an inner position along the width of the seat assembly instead of a pedestal unit located at an extremity as illustrated hereinabove) pedestal units for example.
- the seat bottom units and the backrest units, as well as the seat belt beams have also a basically fixed structure, although they may vary in width (of the seat bottom unit and correspondingly of the backrest unit) and length (of the seat belt beam).
- each unit or sub-unit may be made in a different material, including composites, steel, metals, magnesium, plastics etc. . . . depending of a desired strength and resistance and other mechanical properties for example and/or to optimise the weight of the overall assembly, which may be a critical concern in the context of vehicles equipment for example.
- the connecting sliders 26 a , 26 b of the support means may be located above the seat support parts 24 a , 24 b as illustrated for example in FIGS. 1, 2 , 6 and 7 - 12 for example, or bellow, which is an option selected in FIGS. 13, 14 and 15 a to 15 k .
- a lower position of the connecting sliders 26 a , 26 b may allow an easier installation of the molded foam 52 and its cushion cover on the seat bottom unit 14 , as well as resulting in an improved outline and visual appearance.
- a method according to a second aspect of the present invention comprises positioning at least two support units 12 (step 100 ); connecting a backrest unit to the at least two support means (step 200 ); and connecting a seat bottom unit to the backrest unit and the support means (step 300 ).
- step 100 depending on where the seat assembly is to be installed and on the type of seat assembly desired, as mentioned hereinabove, one of the following may be done, for example:
- a wall bracket unit 12 b may be fastened to a sidewall of the vehicle (not shown) by a nut and bolt system through the attaching part 18 b using pre-drilled holes in the wall, for example.
- a seat belt beam 60 is not pre-assembled with the wall bracket unit 12 b
- an extremity of a seat belt beam 60 is inserted into the cavity formed by the connecting slider 26 b of the wall bracket unit 12 b , and secured thereto by a spring clip or a bolt for example.
- a pedestal unit 12 a may be already installed in the case when the seat belt beam 60 is also pre-assembled with pedestal unit 12 a .
- the pedestal unit 12 a only needs to be secured to the floor of the vehicle, using holes drilled in the floor of the vehicle by using the pedestal unit 12 a as a template and fastening the pedestal unit 12 a using nuts and bolts to the floor through the attaching part 18 a thereof for example.
- the pedestal unit 12 a may be slid over the seat belt beam 60 through connecting slider 26 b and secured thereto by one a spring clip or a bolt for example.
- step 200 the connecting anchors 62 and 64 of the backrest unit 16 are inserted into the backrest connecting tubes 20 a , 20 b of two support units 12 separated by a distance corresponding to a width of the backrest unit (see FIG. 15 a , 15 d , 15 e , 15 f ), or in a first support means 12 a or 12 b and a support means 12 c respectively (see FIGS. 15 b , 15 c , 15 g , 15 h , 15 i , 15 j , 15 k ).
- step 300 a seat bottom unit 14 is then assembled and the overall assembly locked into a rigid assembly by the locking members 50 and 51 .
- the locking mechanism may take a number of forms, and may need intervention from the back of the assembly (see for example embodiment illustrated in FIG. 7 ) or from the front thereof (see for example embodiments illustrated in FIGS. 8 to 14 ).
- a first bolt 100 is driven through a perforation in the backrest connecting tube 20 a of the pedestal unit 12 a and inserts itself into the locking member 50 of the seat bottom unit 14 .
- a second bolt 110 is driven through a perforation in the backrest connecting tube 20 b and inserts itself into the locking member 51 of the seat bottom unit 14 .
- a spring 130 is fastened to the end of the locking members 50 , 51 of the seat bottom unit 14 .
- the locking members 50 , 51 of the seat bottom unit 14 are inserted into an aperture of the seat belt beam 60 housed in the connecting slider 26 a , 26 b , which have a corresponding aperture, and through a perforation provided in the backrest connecting tube 20 a , 20 b of the pedestal unit 12 and a corresponding perforation provided in the connecting anchors 62 , 64 of the backrest unit 16 located in the backrest connecting tube 20 a , 20 b respectively.
- a force directed to the back of the seat assembly allows pushing backwards the seat bottom unit 14 hard enough to compress the spring 130 against an rear inside wall of the backrest connecting tube 20 a , 20 b , so as to engage a hook 120 provided under the seat bottom unit 14 within a hole in the seat support part 24 a , 24 b .
- the force may be released to let the spring 130 releases the seat bottom unit 14 forward in locked relationship with the seat support part 24 a , 24 b through the front hook 120 (see arrow B).
- the pressure then provided by the spring 130 is sufficient to maintain the locking action of the hook 120 and to avoiding vibrations of the seat bottom unit 14 and the backrest unit 16 .
- the spring 130 may be a stamped spring instead of the compression spring illustrated in FIG. 8 .
- the stamped spring 130 may be welded or clamped to the inside wall of the backrest connecting tube 20 a , 20 b of the support units 12 for example.
- the locking member 50 , 51 of the seat bottom unit 14 are inserted into an aperture of the seat belt beam 60 housed in the connecting slider 26 a , 26 b , which has a corresponding aperture, and through a perforation provided in the backrest connecting tube 20 a , 20 b of the support units 12 and a corresponding perforation provided in the connecting anchors 62 , 64 of the backrest unit 16 located in the backrest connecting tube 20 a , 20 b of the support units 12 respectively.
- the locking members 50 , 51 of the seat bottom unit 14 have a “v”-shaped end.
- a rod 140 is inserted across the connecting anchors 62 , 64 of the backrest unit 16 .
- the locking member 50 , 51 of the seat bottom unit 14 are inserted into an aperture of the seat belt beam 60 housed in the connecting slider 26 a , 26 b with a corresponding aperture and through a perforation provided in the backrest connecting tube 20 a , 20 b of the support units 12 and a corresponding perforation provided in the connecting anchors 62 , 64 of the backrest unit 16 located in the backrest connecting tube 20 a , 20 b of the support units 12 respectively.
- the “v” shape of the end of the locking member 50 , 51 engages the rod 140 .
- a screw 134 between an angle 135 and the seat support part 24 a , 24 b as used in the embodiment of FIG. 10 is tightened, the pressure pushes the connecting anchors 62 , 64 of the backrest unit 16 against the rear inside wall of the backrest connecting tube 20 a , 20 b of the support means 12 . Since the ends of the locking member 50 , 51 are pushed against the rod 140 , the backrest unit 16 is locked into place.
- the end of the locking member 50 , 51 have a teeth shape.
- the lateral teeth engages apertures provided in the rear inside wall of the connecting anchors 62 , 64 of the backrest unit 16 and corresponding apertures provided in the rear inside wall of the in the backrest connecting tube 20 a , 20 b of the support means 12 .
- the connecting sliders 26 a , 26 b have a lower position in relation to the seat support part 24 a , 24 b .
- stamped springs may be used inside the cavity formed by the connecting sliders 26 a , 26 b to apply pressure on the sides of the seat belt beam 60 .
- the end of the locking member 50 , 51 have a hook shape.
- a rod 140 is inserted across the connecting anchors 62 , 64 of the backrest unit 16 .
- the seat bottom unit 14 is assembled by inserting the locking member 50 , 51 at an angle (from above in the illustrated configuration) through corresponding slots provided in the front wall of the backrest connecting tube 20 a , 20 b of the support units 12 and in the front wall of the connecting anchors 62 , 64 of the backrest unit 16 , so that the hook of the end of the locking member 50 , 51 engages the rod 140 .
- the seat bottom unit 14 is then able to revolve around the rod 140 down to its final horizontal position, in which a surface 150 of the locking member 50 , 51 comes in abutment with the rear inside wall of the connecting anchors 62 , 64 of the backrest unit 16 , thereby, creating a pressure sufficient to hold the backrest unit 16 in place.
- the seat bottom unit 14 may be further fastened to the seat support part 24 a , 24 b using, for example, a screw or a bolt, a latch, a captive screw, a quarter-turn fastener, a hook, or a spring clip.
- teeth maybe cut on the surface 150 , so that, when the seat bottom unit 14 revolves around the rod 140 down to its final horizontal position, the teeth grip onto rear inside wall of the connecting anchors 62 , 64 of the backrest unit 16 , thereby further securing these elements together.
- the end of the locking member 50 , 51 have a hook shape.
- the seat bottom unit 14 is assembled by inserting the locking member 50 , 51 at an angle (from above in the illustrated configuration) through corresponding slots provided in the front wall of the backrest connecting tube 20 a , 20 b of the support units 12 and in the front wall of the connecting anchors 62 , 64 of the backrest unit 16 .
- a tip 154 of the locking member 50 , 51 contacts the front inner wall of the connecting anchors 62 , 64 of the backrest unit 16 .
- the seat bottom unit 14 is further fastened to the seat support part 24 a , 24 b by the using one of a screw 152 or a bolt, a latch, a captive screw, a quarter-turn fastener, a hook, or a spring clip, for example, the pressure applied at a contact surface between the tip 154 of the locking member 50 , 51 and the front inner wall of the connecting anchors 62 , 64 of the backrest unit 16 forces the connecting anchors 62 , 64 of the backrest unit against the backrest connecting tube 20 a , 20 b of the support means 12 , holding the hook shape of the locking member 50 , 51 against the front wall of the connecting anchors 62 , 64 of the backrest unit 16 against vibration.
- connecting sliders 26 a , 26 b of the support means are located bellow the seat support parts 24 a , 24 b , such as in FIGS. 13, 14 and 15 a to 15 k for example, locking of the seat bottom unit 14 if further achieved by engagement of a protrusion 160 of the seat frame 44 or of the locking member 50 , 51 , into an aperture in the seat support parts 24 a , 24 b corresponding to an aperture in the seat belt beam 60 , as shown in FIGS. 13 , and 14 .
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Abstract
Description
- This application claims priority on Canadian application No. CA 2,510,843 filed on Jun. 22, 2005 and Canadian application filed on Mar. 23, 2006 (number not yet assigned). All documents above are herein incorporated by reference.
- The present invention relates to seats. More specifically, the present invention is concerned with modular seat assemblies and method of installation thereof.
- A number of seats models are known, for use in vehicles such as school buses for example, of a variety of sizes (45 inches, 39 inches, 34 inches, 30 inches, 26 inches and 18 inches) and heights (high backrest and low backrest) to accommodate a range of vehicle configuration.
- The present description refers to a number of documents, the content of which is herein incorporated by reference in their entirety.
- More specifically, in accordance with the present invention, there is provided a modular seat assembly, comprising at least two support units; at least one backrest unit connected to the at least two support units; and at least one seat bottom unit; wherein the seat bottom unit connects to the at least two support units and to the backrest unit into a locking engagement.
- Other objects, advantages and features of the present invention will become more apparent upon reading of the following non-restrictive description of specific embodiments thereof, given by way of example only with reference to the accompanying drawings.
- In the appended drawings:
-
FIG. 1 is a general view of a modular seat assembly according to an embodiment of a first aspect of the present invention; -
FIG. 2 are perspective views of pedestal units used in the modular seat assembly ofFIG. 1 ; -
FIG. 3 is a front view of a backrest unit in the modular seat assembly ofFIG. 1 ; -
FIG. 4 illustrates a backrest cover of the backrest unit ofFIG. 3 ; -
FIG. 5 a is a top view of a seat bottom unit of the modular seat assembly ofFIG. 1 ; -
FIG. 5 b illustrates a seat cover of the seat bottom unit ofFIG. 5 a; -
FIG. 6 is a perspective view of a wall bracket unit of the modular seat assembly ofFIG. 1 ; -
FIG. 7 illustrate a first attachment of the units of the modular seat assembly ofFIG. 1 ; -
FIG. 8 shows a second attachment of the units of a modular seat assembly according to an embodiment of the present invention; -
FIG. 9 shows a third attachment of the units of a modular seat assembly according to an embodiment of the present invention; -
FIG. 10 shows a fourth attachment of the units of a modular seat assembly according to an embodiment of the present invention; -
FIG. 11 shows a fifth attachment of the units of the modular seat assembly according to an embodiment of the present invention; -
FIG. 12 shows a sixth attachment of the units of a modular seat assembly according to an embodiment of the present invention; -
FIG. 13 shows a seventh attachment of the units of a modular seat assembly according to an embodiment of the present invention; -
FIG. 14 shows a eight attachment of the units of a modular seat assembly according to an embodiment of the present invention; -
FIGS. 15 a to 15 k illustrate seat assemblies according to various modular embodiments of the present invention; and -
FIG. 16 is a perspective view of a support unit used inFIGS. 15 b, 15 c, 15 g, 15 h, 15 i, 15 j and 15 k. - The present invention is illustrated in further details by the following non-limiting examples.
- As illustrated in
FIG. 1 of the appended drawings, a modular seat assembly according to an embodiment of the present invention comprises support units 12, abackrest unit 16 and aseat bottom unit 14. - The modular seat assembly may comprise a
seat belt beam 60, as will be described further hereinbelow. - The support units 12 comprise at least one of a
pedestal unit FIG. 2 , of awall bracket unit 12 b illustrated for example inFIG. 6 and of abackrest connection 12 c illustrated for example inFIG. 16 . The support units 12 may comprise at least one of metal, plastics and composites for example. - As shown in
FIG. 2 b, apedestal unit 12 d generally comprises an attaching part 18 d, a connectingslider 26 d and afront leg 22. Additionally, as shown inFIG. 2 a, apedestal unit 12 a may comprise abackrest connecting tube 20 a and aseat support part 24 a, in addition to an attachingpart 18 a, a connectingslider 26 a and afront leg 22. - The
backrest connecting tube 20 a and thefront leg 22 may be round tubes or square tubes for example. The seat supportpart 24 a and the connectingslider 26 a may be folded pieces or square or round tubes for example. - A
wall bracket unit 12 b illustrated inFIG. 6 generally comprises abackrest connecting tube 20 b, an attachingpart 18 b, aseat support part 24 b and a connectingslider 26 b. - The
backrest connection 12 c illustrated inFIG. 16 essentially comprises at least onebackrest connecting tube 20 c, which may or may not extend all the way down to the floor, and a connectingslider 26 c. Abackrest connection 12 c may replace apedestal unit 12 a or awall bracket unit 12 b to support thebackrest unit 16, as will be explained hereinbelow in relation toFIGS. 15 b, 15 c, 15 g, 15 h, 15 i, 15 j and 15 k for example. - A
backrest unit 16 as illustrated inFIG. 3 comprises aframe 30 provided with connectinganchors support member 32 supporting abackrest plate 34. - A
backrest cover 40 may be put on thebackrest unit 16 over a backrest molded foam supported by thesupport member 32. The backrest molded foam may comprise a rear moldedfoam 40 a and a front moldedfoam 40 b assembled together by thebackrest cover 40. - As best seen in
FIG. 4 , thebackrest cover 40 may be upholstered to thebackrest unit 16 by using a plastic strip inserted in aplastic hook 41 sown on thebackrest cover 40 for example. Thecover 40 may be removed without being damaged by simply pulling on the strip. - As illustrated in
FIG. 5 a, aseat bottom unit 14 generally comprises aframe 44 provided withlocking members support member 46. Aseat plate 48, which may take the form of a full board, a plywood board, a net of small boards, or of a suspension or of a rod mat as known in the art, is secured over thetubular frame 44. - As shown in
FIG. 5 b, a moldedfoam 52 may be directly secured to theseat frame 44, here illustrated as achannel 54, by aseat cushion cover 53 attached to theframe 44 and to thesupport member 46 for example. - The
locking members frame 44 or separate members. - The
support member 32 of thebackrest unit 16 and thesupport member 46 of theseat bottom unit 14, located between side arms of theframe 30 of thebackrest unit 16 and side arms of theframe 44 of theseat bottom unit 14, rigidify theframes - The
seat belt beam 60 is used for attaching seat belts. Depending on the type of seat belts needed, abdominal seat belts or three points seat belts, theseat belt beam 60 may be a square tube, a round tube or an angle for example, made in plastic, metal or composite for example, so as to achieve a desired resistance, as people in the art will appreciate. Theseat belt beam 60 generally engages the connectingsliders -
FIGS. 15 a-15 k illustrate modular seat assemblies obtained by assembling the support means 12, theseat bottom unit 14 and thebackrest unit 16 described hereinabove. - In the embodiments illustrated in
FIGS. 15 a-15 k, the seat assembly comprisesseat belt beams 60, in the form of members extending across a width of the seat bottom unit and provided with perforations. - In the embodiments illustrated in
FIGS. 15 a-15 k, the attachingpart 18 a of thepedestal unit 12 a is shown in the form of a plate for illustration purposes only, since obviously other forms are possible, as people in the art will appreciate. The attachingpart 18 b of thewall bracket unit 12 b is illustrated under a form appropriate for fixation to a string course of a wall of a vehicle, although it could be designed for attachment to a vertical surface. - Moreover, in the embodiments illustrated in
FIGS. 15 a-15 k theframe 30 of thebackrest unit 16 is shown as comprisingtube 30 b inserted intotubes 30, i.e. tubes of different diameters and thicknesses assembled one inside the other, aninner tube 30 b on the inside forming the shape of thebackrest unit 16, whiletubes 30 a on the outside are sufficiently rigid to satisfy requirements of Federal Motor Vehicle Safety Standards (FMVSS) 222 (49 CFR 571.222) for example. The upper end of the tubes on the outside 30 a may be welded for example, or otherwise secured to, to thetube 30 b on the inside so that, upon impact, the tubes are subjected to a force that bends them plastically towards the front, and, as only one end of the tubes is fastened, both tubes can, at the beginning of the impact, slide one against the other. After a certain time following the impact, the bending of the tubes is such that they are no longer able to slide one against the other. At that moment, an increase in energy is required to bend the tubes further. This variation in energy required to bend the backrest unit allows controlling the passenger's deceleration when hitting the backrest during impact. By adjusting the dimension and the thickness of the tubes, it is therefore possible to meet with the standards required by FMVSS 222. - The
frame 30 may also be formed of a single tube shaped into the desired shape, extremities thereof playing the role of the connectinganchors frame 30, as people in the art will appreciate, and/or to optimise the weight of theoverall frame 30. - As people in the art will appreciate, other configurations for the
frame 30 are possible, as known in the art. - In
FIG. 15 a, the seat assembly comprises apedestal unit 12 a to be fixed to the floor of a vehicle for example (not shown) through the attachingpart 18 a, and awall bracket unit 12 b fixed to the string course of a wall of the vehicle for example (not shown) through the attachingpart 18 b. Thepedestal unit 12 a is positioned at an extremity of the seat assembly at a position symmetric to that of thewall bracket unit 12 b. In this case, thepedestal unit 12 a comprises abackrest connecting tube 20 a and aseat support part 24 a (not seen inFIG. 15 a). The connecting anchors 62 and 64 of thebackrest unit 16 are received in thebackrest connecting tube 20 a of thepedestal 12 a and thebackrest connecting tube 20 b of thewall bracket unit 12 b respectively. Theseat bottom unit 14 is assembled to the seat assembly through its lockingmembers - In
FIG. 15 b, the seat assembly comprises twoseat bottom units backrest units - The seat assembly illustrated in
FIG. 15 c also comprises awall bracket unit 12 b fixed to the string course of a wall of the vehicle for example (not shown) through the attachingpart 18 b. However, another support means used is apedestal unit 12 d (as illustrated in detail inFIG. 2 b) displaced from the extremity of the seat assembly towards an inner position along the width of the seat assembly, by sliding the connectingslider 26 d over theseat belt beam 60. - In
FIG. 15 d, the seat assembly is supported by twopedestal units 12 a positioned at extremities thereof. - In
FIG. 15 e, the seat assembly is supported by a first pedestal unit located at a first extremity, asecond pedestal unit 12 d located at an inner position along the width of the seat assembly as seen inFIG. 15 c, and awall bracket unit 12 b at a second extremity, while inFIG. 15 f, thewall bracket unit 12 b at the second extremity is replaced by a third pedestal unit. - The seat assembly of
FIG. 15 g is a variation of the seat assembly illustrated inFIG. 15 b using apedestal unit 12 d located at an inner position along the width of the seat assembly instead of a pedestal unit located at an extremity, andFIG. 15 h is a further variation using two pedestal units at each extremity and abackrest connection 12 c with two connecting tubes. InFIGS. 15 i and 15 j, the seat assembly ofFIG. 15 b uses an extra pedestal unit located at an inner position along the width of the seat bottom unit.FIG. 15 k shows a further variation. - In
FIGS. 15 b, 15 c, 15 g, 15 h, 15 i, 15 j, and 15 k,backrest connections 12 c are used at some positions of the connectinganchors frame 30 of thebackrest unit 16, instead of apedestal unit 12 a or awall bracket unit 12 b, in cases when support to the floor or to the wall is provided at locations different from these positions. - The different units of the seat assembly according to the present assembly generally have functional parts. These parts may take the form of distinct members, the corresponding unit resulting from the assembly of each individual member, or from the assembly of any number of these members pre-assembled together or fabricated together as a subunit.
- For example, the attaching
part 18 b and theseat support part 24 b of awall bracket unit 12 b may be molded as a one-piece member. - Any of the attaching
part 18 a, the connectingslider 26 a, thefront leg 22, thebackrest connecting tube 20 a and theseat support part 24 a of thepedestal unit 12 a may be pre-assembled in sub-units so that thepedestal unit 12 a be made of 4 or 5 separate sub-units. Alternatively, thepedestal unit 12 a may be a one-piece molded unit. - Moreover, the different units of the seat assembly themselves may be pre-assembled. For example, it may contemplated to pre-assemble a pedestal unit and a seat belt beam or a seat belt beam and a wall bracket unit, by welding or by using a bolt for example, or even a pedestal unit, a seat belt beam and a wall bracket unit in the cases of seat assemblies of the type illustrated in
FIG. 15 a for example, or to pre-assemble a backrest unit and a seat bottom unit, or a pedestal unit, a seat belt beam, a seat bottom unit and a wall bracket unit. A pre-assembly of a seat belt beam, a seat bottom unit, a backrest unit and a wall bracket unit may be favored for transportation purposes for example, since such pre-assemblies are stackable in a reduced space, the pedestal units being transported separately. - Interestingly, the units of the present invention are standard units, which may be mass fabricated, while allowing a flexibility of a final assembly at a controlled cost. Indeed, basically, the support means are identical for any kind of desired seat assemblies, considering that they include left and right wall brackets units, left, right and symmetric (in the case of a pedestal unit located at an inner position along the width of the seat assembly instead of a pedestal unit located at an extremity as illustrated hereinabove) pedestal units for example. The seat bottom units and the backrest units, as well as the seat belt beams, have also a basically fixed structure, although they may vary in width (of the seat bottom unit and correspondingly of the backrest unit) and length (of the seat belt beam).
- In the context of storage and speed of delivery optimization, it may thus be contemplated having a number of standard units fabricated and ready so as to be ready to fabricate specific variations of these other units that may be ordered with different geometrical characteristics (width of the seat bottom unit and correspondingly of the backrest unit, and length of the seat belt beam).
- The functional parts of each unit being defined, the modularity of the present invention allows tailoring any specific seat assembly according to target local properties, since each different unit or sub-unit may be made in a different material, including composites, steel, metals, magnesium, plastics etc. . . . depending of a desired strength and resistance and other mechanical properties for example and/or to optimise the weight of the overall assembly, which may be a critical concern in the context of vehicles equipment for example.
- People in the art will further appreciate that the modularity of the present invention allows having the units fabricated in different factories, even in different parts of the world, according to different skills required, costs involved etc. . . .
- It is to be noted that the connecting
sliders seat support parts FIGS. 1, 2 , 6 and 7-12 for example, or bellow, which is an option selected inFIGS. 13, 14 and 15 a to 15 k. A lower position of the connectingsliders foam 52 and its cushion cover on theseat bottom unit 14, as well as resulting in an improved outline and visual appearance. - Methods for installation of a present modular seat assembly will now be described.
- Basically, a method according to a second aspect of the present invention comprises positioning at least two support units 12 (step 100); connecting a backrest unit to the at least two support means (step 200); and connecting a seat bottom unit to the backrest unit and the support means (step 300).
- In
step 100, depending on where the seat assembly is to be installed and on the type of seat assembly desired, as mentioned hereinabove, one of the following may be done, for example: -
- a
wall bracket unit 12 b may be attached to a wall and apedestal unit 12 a positioned on the floor at a distance from thewall bracket unit 12 b corresponding to the width of the seat assembly; - a first
wall bracket unit 12 b may be attached to a first wall and a secondwall bracket unit 12 b may be attached to an opposite wall; - two
pedestal units 12 a may be positioned and separated by a distance corresponding to the width of the seat assembly (two pedestal units located at the extremities); - a first support units 12 is positioned, a
seat belt beam 60 is position in the cavity formed by the connecting slider thereof; and apedestal units 12 a of the type located at an inner position along the width of the seat assembly is slid over theseat belt beam 60 through the cavity formed by the connecting slider thereof; - etc. . . .
- a
- A
wall bracket unit 12 b may be fastened to a sidewall of the vehicle (not shown) by a nut and bolt system through the attachingpart 18 b using pre-drilled holes in the wall, for example. In the case when aseat belt beam 60 is not pre-assembled with thewall bracket unit 12 b, an extremity of aseat belt beam 60 is inserted into the cavity formed by the connectingslider 26 b of thewall bracket unit 12 b, and secured thereto by a spring clip or a bolt for example. At this point, apedestal unit 12 a may be already installed in the case when theseat belt beam 60 is also pre-assembled withpedestal unit 12 a. Then thepedestal unit 12 a only needs to be secured to the floor of the vehicle, using holes drilled in the floor of the vehicle by using thepedestal unit 12 a as a template and fastening thepedestal unit 12 a using nuts and bolts to the floor through the attachingpart 18 a thereof for example. - Otherwise, in the case when the
pedestal unit 12 a is not-pre-assembled with aseat belt beam 60, thepedestal unit 12 a may be slid over theseat belt beam 60 through connectingslider 26 b and secured thereto by one a spring clip or a bolt for example. - In step 200, the connecting
anchors backrest unit 16 are inserted into thebackrest connecting tubes FIG. 15 a, 15 d, 15 e, 15 f), or in a first support means 12 a or 12 b and a support means 12 c respectively (seeFIGS. 15 b, 15 c, 15 g, 15 h, 15 i, 15 j, 15 k). - In step 300, a
seat bottom unit 14 is then assembled and the overall assembly locked into a rigid assembly by the lockingmembers - The locking mechanism may take a number of forms, and may need intervention from the back of the assembly (see for example embodiment illustrated in
FIG. 7 ) or from the front thereof (see for example embodiments illustrated in FIGS. 8 to 14). - In
FIG. 7 , For example, the lockingmembers seat bottom unit 14 are inserted into an aperture of theseat belt beam 60 housed in the connectingslider backrest connecting tube anchors backrest unit 16 located in thebackrest connecting tube - As best seen in
FIG. 7 a, afirst bolt 100 is driven through a perforation in thebackrest connecting tube 20 a of thepedestal unit 12 a and inserts itself into the lockingmember 50 of theseat bottom unit 14. As shown inFIG. 7 b, asecond bolt 110 is driven through a perforation in thebackrest connecting tube 20 b and inserts itself into the lockingmember 51 of theseat bottom unit 14. - Alternatively, in
FIG. 8 , aspring 130 is fastened to the end of the lockingmembers seat bottom unit 14. The lockingmembers seat bottom unit 14 are inserted into an aperture of theseat belt beam 60 housed in the connectingslider backrest connecting tube anchors backrest unit 16 located in thebackrest connecting tube seat bottom unit 14 hard enough to compress thespring 130 against an rear inside wall of thebackrest connecting tube hook 120 provided under theseat bottom unit 14 within a hole in theseat support part hook 120 is in place, the force may be released to let thespring 130 releases theseat bottom unit 14 forward in locked relationship with theseat support part spring 130 is sufficient to maintain the locking action of thehook 120 and to avoiding vibrations of theseat bottom unit 14 and thebackrest unit 16. - As shown in
FIG. 9 , thespring 130 may be a stamped spring instead of the compression spring illustrated inFIG. 8 . The stampedspring 130 may be welded or clamped to the inside wall of thebackrest connecting tube - Still alternatively, as shown in
FIG. 10 , the lockingmember seat bottom unit 14 are inserted into an aperture of theseat belt beam 60 housed in the connectingslider backrest connecting tube anchors backrest unit 16 located in thebackrest connecting tube screw 134 between anangle 135 and theseat support part member seat bottom unit 14 towards the rear inside wall of the connectinganchors backrest unit 16, thereby squeezing the connectinganchors backrest unit 16 between the seat bottom unit and thebackrest connecting tube - In
FIG. 11 , the lockingmembers seat bottom unit 14 have a “v”-shaped end. Arod 140 is inserted across the connectinganchors backrest unit 16. The lockingmember seat bottom unit 14 are inserted into an aperture of theseat belt beam 60 housed in the connectingslider backrest connecting tube anchors backrest unit 16 located in thebackrest connecting tube member rod 140. Once ascrew 134 between anangle 135 and theseat support part FIG. 10 is tightened, the pressure pushes the connectinganchors backrest unit 16 against the rear inside wall of thebackrest connecting tube member rod 140, thebackrest unit 16 is locked into place. - In
FIG. 12 , the end of the lockingmember anchors backrest unit 16 and corresponding apertures provided in the rear inside wall of the in thebackrest connecting tube screw 134 is tightened, the lateral teeth are pushed inside these apertures while the bridging part there between is blocked by the surface of the rear inside wall of the connectinganchors backrest unit 16, creating a pressure pushing the connectinganchors backrest unit 16 against the rear inside wall of thebackrest connecting tube backrest unit 16 in place. - Still alternatively, as shown in
FIG. 13 , the connectingsliders seat support part sliders seat belt beam 60. The end of the lockingmember FIG. 11 , arod 140 is inserted across the connectinganchors backrest unit 16. Theseat bottom unit 14 is assembled by inserting the lockingmember backrest connecting tube anchors backrest unit 16, so that the hook of the end of the lockingmember rod 140. Theseat bottom unit 14 is then able to revolve around therod 140 down to its final horizontal position, in which asurface 150 of the lockingmember anchors backrest unit 16, thereby, creating a pressure sufficient to hold thebackrest unit 16 in place. Theseat bottom unit 14 may be further fastened to theseat support part anchors backrest unit 16, teeth maybe cut on thesurface 150, so that, when theseat bottom unit 14 revolves around therod 140 down to its final horizontal position, the teeth grip onto rear inside wall of the connectinganchors backrest unit 16, thereby further securing these elements together. - In
FIG. 14 , the end of the lockingmember FIG. 13 , theseat bottom unit 14 is assembled by inserting the lockingmember backrest connecting tube anchors backrest unit 16. As theseat bottom unit 14 is brought downwards to its final horizontal position, atip 154 of the lockingmember anchors backrest unit 16. When theseat bottom unit 14 is further fastened to theseat support part screw 152 or a bolt, a latch, a captive screw, a quarter-turn fastener, a hook, or a spring clip, for example, the pressure applied at a contact surface between thetip 154 of the lockingmember anchors backrest unit 16 forces the connectinganchors backrest connecting tube member anchors backrest unit 16 against vibration. - In embodiments where the connecting
sliders seat support parts FIGS. 13, 14 and 15 a to 15 k for example, locking of theseat bottom unit 14 if further achieved by engagement of aprotrusion 160 of theseat frame 44 or of the lockingmember seat support parts seat belt beam 60, as shown inFIGS. 13 , and 14.
Claims (31)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2,510,843 | 2005-06-22 | ||
CA002510843A CA2510843A1 (en) | 2005-06-22 | 2005-06-22 | Seat framework for bus |
Publications (1)
Publication Number | Publication Date |
---|---|
US20060290180A1 true US20060290180A1 (en) | 2006-12-28 |
Family
ID=37566462
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/393,441 Abandoned US20060290180A1 (en) | 2005-06-22 | 2006-03-30 | Modular seat assembly and method of installation thereof |
Country Status (3)
Country | Link |
---|---|
US (1) | US20060290180A1 (en) |
CA (1) | CA2510843A1 (en) |
MX (1) | MXPA06003745A (en) |
Cited By (15)
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US20080164739A1 (en) * | 2007-01-05 | 2008-07-10 | Ford Global Technologies, Llc | Automotive vehicle seat system |
US20080164685A1 (en) * | 2007-01-05 | 2008-07-10 | Ford Global Technologies, Llc | Automotive vehicle seat system |
US20080164732A1 (en) * | 2007-01-05 | 2008-07-10 | Ford Global Technologies, Llc | Automotive vehicle seat system |
US20090184561A1 (en) * | 2008-01-18 | 2009-07-23 | International Truck Intellectual Property Company, Llc | Variable length reinforcement to control seat back performance |
WO2009095928A2 (en) * | 2008-01-29 | 2009-08-06 | International Truck Intellectual Property Company, Llc | Integrated mounting flange for school bus seats |
US20100187894A1 (en) * | 2006-12-22 | 2010-07-29 | The Boeing Company | Composite Seat Pan Structure For A Lightweight Aircraft Seat Assembly |
US20110278900A1 (en) * | 2009-01-30 | 2011-11-17 | Ornela Zekavica | Seat structures and processes to create seat structures |
US8550564B1 (en) | 2010-04-01 | 2013-10-08 | The Boeing Company | Composite seat pan structure for a lightweight aircraft seat assembly |
WO2014035549A1 (en) * | 2012-08-31 | 2014-03-06 | International Truck Intellectual Property Company, Llc | Bus seating system |
US8888192B2 (en) | 2010-07-09 | 2014-11-18 | Toyota Boshoku Kabushiki Kaisha | Support structure of vehicle seat frame |
EP2703289A3 (en) * | 2012-08-31 | 2016-08-10 | Recaro Aircraft Seating GmbH & Co. KG | Seat dividing device |
CN107207094A (en) * | 2014-12-31 | 2017-09-26 | 新加坡科技宇航 | Seat suspension installation method and passenger seat |
US10471869B2 (en) * | 2017-08-28 | 2019-11-12 | Toyota Boshoku Kabushiki Kaisha | Vehicle seat having a cushion frame that maintains ride quality |
US11260774B2 (en) | 2020-04-13 | 2022-03-01 | Freedman Seating Company | Modular transportation seat frame |
US11535133B2 (en) | 2021-03-16 | 2022-12-27 | Lear Corporation | Connection arrangement for tubular members |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109700221B (en) * | 2017-10-25 | 2022-08-05 | L & P 产权管理公司 | Modular assembly for high leg row seats |
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US20080164732A1 (en) * | 2007-01-05 | 2008-07-10 | Ford Global Technologies, Llc | Automotive vehicle seat system |
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US20090184561A1 (en) * | 2008-01-18 | 2009-07-23 | International Truck Intellectual Property Company, Llc | Variable length reinforcement to control seat back performance |
WO2009091981A1 (en) * | 2008-01-18 | 2009-07-23 | International Truck Intellectual Property Company, Llc | Variable length reinforcement to control seat back performance |
WO2009095928A3 (en) * | 2008-01-29 | 2009-12-30 | International Truck Intellectual Property Company, Llc | Integrated mounting flange for school bus seats |
US20100320826A1 (en) * | 2008-01-29 | 2010-12-23 | International Truck Intellectual Property Company | Integrated Mounting Flange For School Bus Seats |
WO2009095928A2 (en) * | 2008-01-29 | 2009-08-06 | International Truck Intellectual Property Company, Llc | Integrated mounting flange for school bus seats |
US20110278900A1 (en) * | 2009-01-30 | 2011-11-17 | Ornela Zekavica | Seat structures and processes to create seat structures |
US8814273B2 (en) * | 2009-01-30 | 2014-08-26 | Johnson Controls Technology Company | Seat structures and processes to create seat structures |
US8550564B1 (en) | 2010-04-01 | 2013-10-08 | The Boeing Company | Composite seat pan structure for a lightweight aircraft seat assembly |
DE102011078688B4 (en) | 2010-07-09 | 2021-11-04 | Toyota Boshoku K.K. | SUPPORTING STRUCTURE FOR A VEHICLE SEAT FRAME |
US8888192B2 (en) | 2010-07-09 | 2014-11-18 | Toyota Boshoku Kabushiki Kaisha | Support structure of vehicle seat frame |
WO2014035549A1 (en) * | 2012-08-31 | 2014-03-06 | International Truck Intellectual Property Company, Llc | Bus seating system |
EP2703289A3 (en) * | 2012-08-31 | 2016-08-10 | Recaro Aircraft Seating GmbH & Co. KG | Seat dividing device |
CN104583023A (en) * | 2012-08-31 | 2015-04-29 | 万国卡车知识产权有限公司 | Bus seating system |
CN107207094A (en) * | 2014-12-31 | 2017-09-26 | 新加坡科技宇航 | Seat suspension installation method and passenger seat |
US10407174B2 (en) | 2014-12-31 | 2019-09-10 | ST Engineering Aerospace Ltd. | Seat suspension installation method and passenger seat |
US10471869B2 (en) * | 2017-08-28 | 2019-11-12 | Toyota Boshoku Kabushiki Kaisha | Vehicle seat having a cushion frame that maintains ride quality |
US11260774B2 (en) | 2020-04-13 | 2022-03-01 | Freedman Seating Company | Modular transportation seat frame |
US11535133B2 (en) | 2021-03-16 | 2022-12-27 | Lear Corporation | Connection arrangement for tubular members |
Also Published As
Publication number | Publication date |
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MXPA06003745A (en) | 2007-02-01 |
CA2510843A1 (en) | 2006-12-22 |
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