JP2015166231A - Flat floor constructing member set and flat floor constructing method for automobile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a flat floor construction member set and a flat floor construction method capable of constructing a flat floor conveniently and safely on the upper face made the seat of an automobile into a flat mode.SOLUTION: An automobile flat floor constructing member set used for constructing a flat floor on an upper face set in a flat mode by falling the back of the seat of an automobile, comprises: a plurality of horizontal support members 1 of different thicknesses arranged on an upper face set into the flat mode by falling the backs 21 of seats 20 of front and rear rows; and a flat plate member 2 divided into a plurality of sheets in a longitudinal direction and supported by said horizontal support members 1.

Description

  The present invention relates to a member set for constructing a flat floor of an automobile and a flat floor construction method for making an upper surface in a flat mode by tilting the backrest of the seat of the automobile backward and making it a flat floor.

  There are leisure vehicles that can be used as a bed by lying down, extending their legs, and using a flat mode by tilting the back of the seat back. However, even when the seat is set to the flat mode, the comfort is lacking due to the irregularities and steps formed in the seat.

Therefore, a mat having an uneven surface on the lower surface and an uneven surface that fits into the shape of the step is known as a flat floor that can eliminate unevenness and steps (see Patent Documents 1 and 2).
However, since the uneven surface of the lower surface of the mat is at a certain location, there is a problem that a mat corresponding to a vehicle type having a different seat size, shape, and the like must be manufactured.

  JP-A-9-285364   JP-A-57-2111314

  The present invention solves the conventional problems and provides a flat floor construction member set and a flat floor construction method for an automobile that can easily and safely construct a flat floor on an upper surface of a car seat in a flat mode. It was completed for the purpose.

  An automobile flat floor construction member set according to the present invention is an automobile flat floor construction member set used for constructing a flat floor on an upper surface where a backrest of an automobile seat is tilted backward to make a flat mode. A plurality of lateral support members having different thicknesses disposed on the upper surface in a flat mode by tilting the backrest of the seats in the front and rear rows, and a flat plate member divided into a plurality of pieces in the vertical direction supported by the lateral support members This is the basic invention.

  In addition, a plurality of vertical support members standing on the front side of the front seats of the front and rear rows of seats may be provided, and a horizontal support member arranged at the upper end of the plurality of vertical support members may be provided.

  Moreover, it is good also as what provided the clearance gap support member arrange | positioned further on the upper surface of the seat made into the said flat mode. Further, the total number or at least one flat plate member divided into a plurality of sheets in the longitudinal direction may be further divided into two in the front-rear direction.

  Further, a flat floor construction method for an automobile according to the present invention is a flat floor construction method for an automobile in which a flat floor is constructed on a surface in which a backrest of the automobile seat is tilted backward to make a flat mode, and the front and rear rows of seats After tilting the back of the back in the flat mode, the horizontal height of the flat mode top position is used as a horizontal reference, and multiple horizontal support members with different thicknesses are placed on the flat mode top surface to meet the horizontal reference. And a flat floor is constructed | assembled by making a flat plate member be supported by the top height location and the upper end of a several horizontal support member, and the upper surface of this flat plate member.

  According to the above-described member set for constructing a flat floor of an automobile according to the present invention, the backrest of the seats in the front and rear rows is tilted rearward to be in the flat mode, and a plurality of sideways having different thicknesses are arranged on the upper surface of the flat mode seat. If a support member is arranged and a flat plate member divided into a plurality of pieces in the vertical direction is supported by the plurality of horizontal support members, a flat floor can be constructed by the upper surface of the flat plate member. That is, since the plurality of lateral support members have different thicknesses, the uneven portions on the front and rear sides of the seat can be selected, and the upper ends of the plurality of lateral support members can be arranged at locations where they are horizontal. A flat floor having a horizontal surface by supporting a flat plate member on a plurality of lateral support members can be easily and safely constructed.

  Since the flat floor constructed in this way has no unevenness, it can be used comfortably on its side, with its legs extended, or in bed. The flat floor can be easily released by removing the flat plate member, removing the lateral support member, and raising the backrest. And since this invention consists of the several horizontal support member from which thickness differs, and the flat plate member divided | segmented into multiple sheets, it can be stored compactly under a seat or in a garage.

  In addition, a flat plate member provided with a plurality of vertical support members standing on the front side of the front seats of the front and rear rows of seats and a horizontal support member disposed at the upper end of the plurality of vertical support members As a result, the front and rear ends of the can be supported, and a more stable flat floor can be constructed. If the front and rear row seats are behind the driver seat among the front and rear row seats, the tip of the flat plate member is supported when going back and forth between the driver's seat and the flat floor in the vehicle. Even if a foot is placed on the tip of the member, there is no inconvenience that the tip falls.

  Further, in the case where the upper surface of the seat in the flat mode is further provided with a gap support member to be arranged, the bottom portion in the lateral direction of the top height portion with the top height portion in the flat mode as a horizontal reference The gap support member is disposed at a location, and the flat plate member is supported by the gap support member, the top height location, and the upper ends of the plurality of lateral support members that are adapted to the horizontal reference. A flat floor can be constructed.

  Further, if the total number or at least one of the flat plate members divided into a plurality of pieces in the vertical direction is further divided into two in the front-rear direction, the handling becomes easy.

  Further, according to the method for constructing a flat floor of an automobile according to the present invention, after the backrest of the front and rear row seats is tilted backward to make the flat mode, the top height portion of the flat mode is set as the horizontal reference, and the horizontal reference is set. A plurality of lateral support members having different thicknesses are arranged on the upper surface in a flat mode so that the flat plate member is supported on the top height portion and the upper ends of the plurality of lateral support members. This makes it possible to construct a flat floor easily and safely.

It is a schematic explanatory drawing which shows embodiment of this invention. It is a schematic explanatory drawing which shows embodiment from different aspects. 1 is a schematic side view of an embodiment of the present invention. It is a perspective view which shows an example of the member set used for embodiment of this invention. It is a perspective view which shows an example of the storage state of the member set used for embodiment of this invention. It is a perspective view which shows what divided | segmented the flat plate member into two in the front-back direction, (A) is what divided | segmented the flat member, (B) shows what made the divided | segmented flat member foldable. It is a schematic explanatory drawing which shows the other example of embodiment of this invention.

  Next, an embodiment of the present invention will be described with reference to the drawings.

  First, in FIGS. 1, 2, and 3, reference numeral 10 denotes an automobile for constructing a flat floor according to the present invention, and seats are provided in three rows in the front and rear. In this embodiment, the backrests 21 of the front and rear rows of seats 20 in the second row and the third row are tilted rearward so that they are substantially level with the seating surface 22 to be in a flat mode so that the body is laid sideways or the legs are extended. Or, what is used in bed.

  The flat floor construction member set for an automobile according to the present invention constructs a flat floor on the upper surface of the second and third rows of seats 20 that are the front and rear rows in the flat mode.

  Reference numeral 1 denotes a lateral support member, which is disposed on the upper surface where the backrest 21 of the seats 20 in the front and rear rows is tilted rearward and flattened. In this embodiment, the lateral support member 1 is provided with a plurality of, ie, three, different thicknesses as shown in the figure. Two of the lateral support members 1 are placed on the seating surfaces 22 of the second and third rows of seats 20 in the flat mode.

  The remaining horizontal support members 1 are arranged at the upper ends of a plurality of, ie, three vertical support members 3 standing on the front side of the front seats 20 in the front and rear rows. The lateral support members 1 (1a) placed on the seat surface 22 of the second row of seats 20 are 70 mm in thickness and placed on the seat surface 22 of the third row of seats 20. The horizontal support member 1 (1b) is 35 mm in thickness, and the horizontal support member 1 (1c) disposed at the upper end of the three vertical support members 3 is 40 mm in thickness. Is 126 cm, which is slightly shorter than the inner width of the automobile. In addition, although the wooden square material was used as a material, it is not limited to this, Plastic and a lightweight metal may be made into the shape of a square pipe.

  Further, the three vertical support members 3 are made of a cylindrical paper tube having a diameter of 75 mm and a height of 40 cm, and a fitting recess 3 a having a depth of 35 mm and a width of 38 mm is provided at the upper end, and the horizontal support member 1 ( 1c) is fitted and supported so that the upper end is exposed. The vertical support member 3 is not limited to the above-mentioned size and material, and may be plastic or light metal, and the shape is not limited to a cylindrical shape but may be a rectangular tube shape.

  2 is a flat plate member that is divided into a plurality of pieces in the vertical direction, and the flat plate member 2 is arranged on the upper surface of the seat 20 in the front and rear two-row flat mode and has a plurality of lateral support members 1 (1a, 1a, The flat floor is constructed by the upper surface of the flat plate member 2 supported by 1b). The flat plate member 2 is composed of three pieces each having a length of 173 cm, a width of 42 cm, and a thickness of 13 mm obtained by dividing the plate material into three vertically. The flat plate member 2 is made of paulownia laminated material that is sufficiently rigid and easy to handle. Incidentally, the flat plate member 2 made of paulownia laminated material has a total weight of three pieces of about 8 kg. However, it will be appreciated that other materials may be used. In addition, the flat plate member 2 may be connected so that it can be folded. In addition, it is preferable that the flat plate member 2 is divided into three from the viewpoint of easy handling, but two or four may be used.

  Furthermore, the total number or at least one of the flat plate members 2 divided into a plurality of sheets in the vertical direction may be divided into two in the front-rear direction. That is, if the flat plate member 2 is divided into two in the front-rear direction as shown in FIG. 6 (a), or if the divided flat plate member 2 is foldable as shown in FIG. It is easy to handle even in the car. Note that one or two of the total number of the flat plate members 2 may be divided as described above.

  As described above, in the case where the remaining horizontal support members 1 (1c) are arranged at the upper ends of the three vertical support members 3 standing on the front side of the front seats 20 in the front and rear rows, the flat plate member 2 This also supports the front and rear ends of the, so that a more stable flat floor can be constructed. In addition, as in this embodiment, if the front and rear row seats 20 are behind the driver seat among the front and rear row seats, the flat plate member 2 can be used when going back and forth between the driver's seat and the flat floor. Even if a foot is put on the tip, there is no inconvenience that the tip falls.

  As described above, since the plurality of lateral support members 1 (1a, 1b) are different in thickness, the uneven portions before and after the seat 20 are selected and the plurality of lateral support members 1 (1a, 1b, Since the upper ends of 1b) can be placed at horizontal positions, a flat floor having a horizontal surface can be easily and safely constructed by supporting the flat plate member 2 on the plurality of lateral support members 1 (1a, 1b). It can be done.

  Since the flat floor constructed in this way has no unevenness, it can be used comfortably on its side, with its legs extended, or in bed. The flat floor can be easily released by removing the flat plate member 2 and the horizontal support member 1 and raising the backrest 21. And since it consists of the several horizontal support member 1 from which the flat floor was cancelled | released, and the flat plate member 2 divided | segmented into several sheets, it can be stored compactly under a seat or in a garage.

  Moreover, the clearance gap support member 4 further arrange | positioned on the upper surface of the seat 20 made into the said flat mode shall be provided. The gap support member 4 has the gap height of the top height portion in the flat mode as a horizontal reference, and the gap support member 4 is disposed at the bottom portion in the lateral direction of the top height portion. The flat plate member 2 is supported by the upper ends of the plurality of lateral support members 1 (1a, 1b) adapted to the location and the horizontal reference, and a more stable flat floor can be constructed. In this embodiment, the top height portion corresponds to the center portion A on the front side of the backrest 21 of the seat 20 in the second row.

  Further, if the flat plate member 2 is vertically divided into three pieces as shown in FIG. 5, it can be easily folded and stored.

  The two horizontal support members 1 having different thicknesses arranged on the upper surface in the flat mode may be two mounted on the seating surfaces 22 of the seats 20 in the second row and the third row. Even the horizontal support member 1 of this book can support the said flat plate member 2 exactly, and can construct | assemble a flat floor.

  Further, a sheet member may be laid on the surface of a flat floor formed by the upper surface of the flat plate member 2, and this sheet member 5 can be used for packing a set of members as shown in FIG. It is.

  In the embodiment described above, a flat floor is constructed on the upper surface of the second row and third row seats 20, but as shown in FIG. 7, the first row with the driver's seat and the second row behind it. Of course, the seat 20 may be in the flat mode.

1 (1a, 1b, 1c) Horizontal support member 2 Flat plate member 3 Vertical support member 4 Gap support member 5 Seat member 10 Automobile 20 Seat 21 Backrest 22 Seat surface

  The present invention relates to a member set for constructing a flat floor of an automobile and a flat floor construction method for making an upper surface in a flat mode by tilting the backrest of the seat of the automobile backward and making it a flat floor.

  There are leisure vehicles that can be used as a bed by lying down, extending their legs, and using a flat mode by tilting the back of the seat back. However, even when the seat is set to the flat mode, the comfort is lacking due to the irregularities and steps formed in the seat.

Therefore, a mat having an uneven surface on the lower surface and an uneven surface that fits into the shape of the step is known as a flat floor that can eliminate unevenness and steps (see Patent Documents 1 and 2).
However, since the uneven surface of the lower surface of the mat is at a certain location, there is a problem that a mat corresponding to a vehicle type having a different seat size, shape, and the like must be manufactured.

  JP-A-9-285364   JP-A-57-2111314

  The present invention solves the conventional problems and provides a flat floor construction member set and a flat floor construction method for an automobile that can easily and safely construct a flat floor on an upper surface of a car seat in a flat mode. It was completed for the purpose.

An automobile flat floor construction member set according to the present invention is an automobile flat floor construction member set used for constructing a flat floor on an upper surface where a backrest of an automobile seat is tilted backward to make a flat mode. A plurality of lateral support members having different thicknesses arranged so as to extend laterally with respect to the front and rear rows on a top surface in a flat mode by tilting the backrest of the seats in the front and rear rows, and supported by the lateral support members The basic invention consists of a flat plate member that is divided into a plurality of pieces in the horizontal direction with respect to the front and rear rows to be formed and extends in the vertical direction that is the direction of the front and rear rows .

  In addition, a plurality of vertical support members standing on the front side of the front seats of the front and rear rows of seats may be provided, and a horizontal support member arranged at the upper end of the plurality of vertical support members may be provided.

Moreover, it is good also as what provided the clearance gap support member arrange | positioned further on the upper surface of the seat made into the said flat mode. Further, the total number or at least one of the flat plate members divided into the plurality of sheets may be further divided into two in the front-rear direction.

In addition, the automobile flat floor construction method according to the present invention is an automobile flat floor construction method for constructing an upper surface in a flat mode by tilting the backrest of the automobile seat backward to form a flat mode. After the back of the seat is tilted backwards and the flat mode is set, the horizontal height of the top height portion of the flat mode is used as a horizontal reference, and a plurality of lateral support members having different thicknesses so as to meet the horizontal reference are placed on the flat mode upper surface. Arranging so as to extend in the lateral direction with respect to the front and rear rows, supporting a flat plate member on the top height portion and the upper ends of a plurality of horizontal support members, and constructing a flat floor by the upper surface of the flat plate member It is a feature.

According to the flat floor construction member set of a motor vehicle according to the present invention described above, the backrest of the seat before and after the column in the flat mode killing rearward, transversely to the longitudinal rows on the upper surface of the flat mode Seat by arranging a plurality of lateral support members having different thicknesses that arranged to extend, it is divided into a plurality sideways direction with respect to the longitudinal strings supported on the transverse support member of several plurality, in particular If a flat plate member extending in the longitudinal direction which is the direction of the front and rear rows is supported, a flat floor can be constructed by the upper surface of the flat plate member. That is, since the plurality of lateral support members have different thicknesses, the uneven portions on the front and rear sides of the seat can be selected, and the upper ends of the plurality of lateral support members can be arranged at locations where they are horizontal. A flat floor having a horizontal surface by supporting a flat plate member on a plurality of lateral support members can be easily and safely constructed.

  Since the flat floor constructed in this way has no unevenness, it can be used comfortably on its side, with its legs extended, or in bed. The flat floor can be easily released by removing the flat plate member, removing the lateral support member, and raising the backrest. And since this invention consists of the several horizontal support member from which thickness differs, and the flat plate member divided | segmented into multiple sheets, it can be stored compactly under a seat or in a garage.

  In addition, a flat plate member provided with a plurality of vertical support members standing on the front side of the front seats of the front and rear rows of seats and a horizontal support member disposed at the upper end of the plurality of vertical support members As a result, the front and rear ends of the can be supported, and a more stable flat floor can be constructed. If the front and rear row seats are behind the driver seat among the front and rear row seats, the tip of the flat plate member is supported when going back and forth between the driver's seat and the flat floor in the vehicle. Even if a foot is placed on the tip of the member, there is no inconvenience that the tip falls.

  Further, in the case where the upper surface of the seat in the flat mode is further provided with a gap support member to be arranged, the bottom portion in the lateral direction of the top height portion with the top height portion in the flat mode as a horizontal reference The gap support member is disposed at a location, and the flat plate member is supported by the gap support member, the top height location, and the upper ends of the plurality of lateral support members that are adapted to the horizontal reference. A flat floor can be constructed.

Further, if the total number or at least one of the flat plate members divided into a plurality of sheets is further divided into two in the front-rear direction, the handling becomes easy.

Further, according to the method for constructing a flat floor of an automobile according to the present invention, after the backrest of the front and rear row seats is tilted backward to make the flat mode, the top height portion of the flat mode is set as the horizontal reference, and the horizontal reference is set. A plurality of lateral support members having different thicknesses are arranged on the upper surface in a flat mode so as to extend in a lateral direction with respect to the front and rear rows, and are arranged at the top height location and the upper ends of the plurality of lateral support members. By supporting a flat plate member, a flat floor can be easily and safely constructed by the upper surface of the flat plate member.

It is a schematic explanatory drawing which shows embodiment of this invention. It is a schematic explanatory drawing which shows embodiment from different aspects. 1 is a schematic side view of an embodiment of the present invention. It is a perspective view which shows an example of the member set used for embodiment of this invention. It is a perspective view which shows an example of the storage state of the member set used for embodiment of this invention. It is a perspective view which shows what divided | segmented the flat plate member into two in the front-back direction, (A) is what divided | segmented the flat member, (B) shows what made the divided | segmented flat member foldable. It is a schematic explanatory drawing which shows the other example of embodiment of this invention.

  Next, an embodiment of the present invention will be described with reference to the drawings.

  First, in FIGS. 1, 2, and 3, reference numeral 10 denotes an automobile for constructing a flat floor according to the present invention, and seats are provided in three rows in the front and rear. In this embodiment, the backrests 21 of the front and rear rows of seats 20 in the second row and the third row are tilted rearward so that they are substantially level with the seating surface 22 to be in a flat mode so that the body is laid sideways or the legs are extended. Or, what is used in bed.

  The flat floor construction member set for an automobile according to the present invention constructs a flat floor on the upper surface of the second and third rows of seats 20 that are the front and rear rows in the flat mode.

Reference numeral 1 denotes a lateral support member, which is disposed so as to extend laterally with respect to the front and rear rows on the upper surface where the backrest 21 of the seats 20 in the front and rear rows is tilted backward and is in a flat mode. In this embodiment, the lateral support member 1 is provided with a plurality of, ie, three, different thicknesses as shown in the figure. Two of the lateral support members 1 are placed on the seating surfaces 22 of the second and third rows of seats 20 in the flat mode.

  The remaining horizontal support members 1 are arranged at the upper ends of a plurality of, ie, three vertical support members 3 standing on the front side of the front seats 20 in the front and rear rows. The lateral support members 1 (1a) placed on the seat surface 22 of the second row of seats 20 are 70 mm in thickness and placed on the seat surface 22 of the third row of seats 20. The horizontal support member 1 (1b) is 35 mm in thickness, and the horizontal support member 1 (1c) disposed at the upper end of the three vertical support members 3 is 40 mm in thickness. Is 126 cm, which is slightly shorter than the inner width of the automobile. In addition, although the wooden square material was used as a material, it is not limited to this, Plastic and a lightweight metal may be made into the shape of a square pipe.

  Further, the three vertical support members 3 are made of a cylindrical paper tube having a diameter of 75 mm and a height of 40 cm, and a fitting recess 3 a having a depth of 35 mm and a width of 38 mm is provided at the upper end, and the horizontal support member 1 ( 1c) is fitted and supported so that the upper end is exposed. The vertical support member 3 is not limited to the above-mentioned size and material, and may be plastic or light metal, and the shape is not limited to a cylindrical shape but may be a rectangular tube shape.

Reference numeral 2 denotes a flat plate member that is divided into a plurality of sheets in the lateral direction with respect to the front and rear rows and extends in the vertical direction, which is the direction of the front and rear rows , and the flat plate member 2 is a seat that is in the flat mode of the two front and rear rows. A flat floor is constructed by the upper surface of the flat plate member 2 supported by a plurality of lateral support members 1 (1a, 1b) having different thicknesses disposed on the upper surface of the flat plate member 20. The flat plate member 2 is composed of three pieces each having a length of 173 cm, a width of 42 cm, and a thickness of 13 mm obtained by dividing the plate material into three vertically. The flat plate member 2 is made of paulownia laminated material that is sufficiently rigid and easy to handle. Incidentally, the flat plate member 2 made of paulownia laminated material has a total weight of three pieces of about 8 kg. However, it will be appreciated that other materials may be used. In addition, the flat plate member 2 may be connected so that it can be folded. In addition, it is preferable that the flat plate member 2 is divided into three from the viewpoint of easy handling, but two or four may be used.

Furthermore, the total number or at least one of the flat plate members 2 divided into a plurality of sheets in the lateral direction with respect to the front and rear rows may be divided into two in the front and rear direction. That is, if the flat plate member 2 is divided into two in the front-rear direction as shown in FIG. 6 (a), or if the divided flat plate member 2 is foldable as shown in FIG. It is easy to handle even in the car. Note that one or two of the total number of the flat plate members 2 may be divided as described above.

  As described above, in the case where the remaining horizontal support members 1 (1c) are arranged at the upper ends of the three vertical support members 3 standing on the front side of the front seats 20 in the front and rear rows, the flat plate member 2 This also supports the front and rear ends of the, so that a more stable flat floor can be constructed. In addition, as in this embodiment, if the front and rear row seats 20 are behind the driver seat among the front and rear row seats, the flat plate member 2 can be used when going back and forth between the driver's seat and the flat floor. Even if a foot is put on the tip, there is no inconvenience that the tip falls.

As described above, since the plurality of lateral support members 1 (1a, 1b) are different in thickness, the uneven portions before and after the seat 20 are selected and the plurality of lateral support members 1 (1a, 1b, Since the upper ends of 1b) can be arranged horizontally, a flat floor having a horizontal surface can be easily and safely constructed by supporting the flat plate member 2 on the plurality of lateral support members 1 (1a, 1b). Is.

  Since the flat floor constructed in this way has no unevenness, it can be used comfortably on its side, with its legs extended, or in bed. The flat floor can be easily released by removing the flat plate member 2 and the horizontal support member 1 and raising the backrest 21. And since it consists of the several horizontal support member 1 from which the flat floor was cancelled | released, and the flat plate member 2 divided | segmented into several sheets, it can be stored compactly under a seat or in a garage.

  Moreover, the clearance gap support member 4 further arrange | positioned on the upper surface of the seat 20 made into the said flat mode shall be provided. The gap support member 4 has the gap height of the top height portion in the flat mode as a horizontal reference, and the gap support member 4 is disposed at the bottom portion in the lateral direction of the top height portion. The flat plate member 2 is supported by the upper ends of the plurality of lateral support members 1 (1a, 1b) adapted to the location and the horizontal reference, and a more stable flat floor can be constructed. In this embodiment, the top height portion corresponds to the center portion A on the front side of the backrest 21 of the seat 20 in the second row.

Further, if the flat plate member 2 is divided into three pieces as shown in FIG. 5 and is connected so as to be foldable, storage becomes easy.

  The two horizontal support members 1 having different thicknesses arranged on the upper surface in the flat mode may be two mounted on the seating surfaces 22 of the seats 20 in the second row and the third row. Even the horizontal support member 1 of this book can support the said flat plate member 2 exactly, and can construct | assemble a flat floor.

  Further, a sheet member may be laid on the surface of a flat floor formed by the upper surface of the flat plate member 2, and this sheet member 5 can be used for packing a set of members as shown in FIG. It is.

  In the embodiment described above, a flat floor is constructed on the upper surface of the second row and third row seats 20, but as shown in FIG. 7, the first row with the driver's seat and the second row behind it. Of course, the seat 20 may be in the flat mode.

1 (1a, 1b, 1c) Horizontal support member 2 Flat plate member 3 Vertical support member 4 Gap support member 5 Seat member 10 Automobile 20 Seat 21 Backrest 22 Seat surface

Claims (5)

  A flat floor construction member set for automobiles used to construct a flat floor on the top surface by tilting the backrest of the automobile seat backward and flattening, and flattening the backrest of the front and rear row seats backward A flat floor construction member set for an automobile comprising a plurality of lateral support members having different thicknesses arranged on a top surface that has been moded, and a flat plate member that is divided into a plurality of pieces in a longitudinal direction supported by the lateral support members.   The flat floor construction member set for an automobile according to claim 1, further comprising a plurality of vertical support members standing on the front side of the front seat, and a horizontal support member disposed at an upper end of the plurality of vertical support members.   The flat floor construction member set for an automobile according to claim 1, further comprising a gap support member disposed on an upper surface of the seat in the flat mode.   The flat floor construction member set for an automobile according to any one of claims 1 to 3, wherein all or at least one flat plate member divided into a plurality of pieces in the longitudinal direction is further divided into two in the front-rear direction.   An automobile flat floor construction method for constructing a flat floor with an upper surface in a flat mode by tilting the backrest of the car seat backward, after tilting the backrest of the front and rear two rows of seats back to flat mode, The top height location in the flat mode is set as a horizontal reference, and a plurality of lateral support members having different thicknesses are arranged on the top surface of the seat in the flat mode so as to meet the horizontal reference, and the top height location and the plurality of horizontal support members are arranged. A flat floor construction method for an automobile, characterized in that a flat plate member is supported on the upper end of the horizontal support member and a flat floor is constructed on the upper surface of the flat plate member.

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