Abstract
The invention relates to a trunk bottom element (6). The trunk bottom element (6) according to the invention includes an external frame (11) laterally and longitudinally delimiting the trunk bottom element (6), a central opening (8) delimited by a cylindrical wall (12) and an angular indexing member (9) configured to enable angular indexing of a closure cap of the central opening (8), with respect to the vertical direction of the trunk bottom element (6). In the trunk bottom element (6) according to the invention, the external frame (11) has, in a vertical direction, an upper bearing surface (16) intended to receive a trunk floor element. The central opening (8) of the trunk bottom element (6) is configured to alternately house a spare wheel of the motor vehicle of the donut type and of the full-size type.
Claims
1. A motor vehicle trunk bottom element, the trunk bottom element including: an external frame laterally and longitudinally delimiting the trunk bottom element, the external frame having in a vertical direction an upper bearing surface intended to receive a trunk floor element; a central opening delimited by a cylindrical wall, the central opening being configured to house therein a spare wheel of the motor vehicle; wherein the trunk bottom element includes an angular indexing member configured to enable angular indexing of a closure cap of the central opening, with respect to the vertical direction of the trunk bottom element.
2. The trunk bottom element according to claim 1, wherein the angular indexing member is in the form of a notch formed on the cylindrical wall.
3. The trunk bottom element according to claim 1, wherein, at the angular indexing member, the cylindrical wall is located radially at a distance from the external frame, with respect to the vertical direction, so that the trunk bottom element includes a peripheral recess at the central opening delimited radially by the cylindrical wall and by the external frame.
4. The trunk bottom element according to claim 1, wherein the trunk bottom element includes a housing intended to house an audio system, the housing being formed between a lower face of the trunk bottom element and the upper bearing surface, the housing being delimited in the vertical direction by a membrane.
5. The trunk bottom element according to claim 4, wherein the housing is in the form of an opening passing throughout the trunk bottom element in the lateral direction.
6. The trunk bottom element according to claim 4, wherein, in the vertical direction, the membrane is located at a height comprised between 30% and 70% of a height of the trunk bottom element considered in the vertical direction and at the housing.
7. A trunk arrangement for a motor vehicle, the trunk arrangement including: a trunk bottom element according to claim 1; a closure cap housed in the central opening of the trunk bottom element, the closure cap including an angular indexing device collaborating with the angular indexing member of the trunk bottom element by complementary shape cooperation.
8. The trunk arrangement according to claim 7, wherein the closure cap has a cylindrical general conformation with shape and dimension complementary to those of the central opening of the trunk bottom element, the angular indexing device including a prismatic support which projects radially with respect to the cylindrical general conformation.
9. The trunk arrangement according to claim 8, wherein the angular indexing member is in the form of a notch formed on the cylindrical wall, and wherein the prismatic support includes a groove configured to enable engagement of the notch of the trunk bottom element.
10. A motor vehicle including a trunk arrangement according to claim 1.
Description
BRIEF DESCRIPTION OF THE FIGURES
[0049] Other features and advantages will become more apparent through the following description, and several embodiments given for indicative and non-limiting purposes with reference to the appended schematic drawings, wherein:
[0050] FIG. 1 shows a schematic view of a motor vehicle in accordance with the third aspect.
[0051] FIG. 2 shows a schematic view of a trunk bottom element in accordance with the first aspect, seen from above.
[0052] FIG. 3 shows a schematic view of the trunk bottom element in accordance with the first aspect illustrated in FIG. 2, seen from the bottom.
[0053] FIG. 4 shows a sectional view of the trunk bottom element in accordance with the first aspect illustrated in FIG. 2.
[0054] FIG. 5 shows a schematic view of a trunk arrangement in accordance with the second aspect, seen from above in isometric perspective, in a first embodiment.
[0055] FIG. 6 shows a schematic view of a closure cap of the trunk arrangement in accordance with the second aspect illustrated in FIG. 5, seen from above.
[0056] FIG. 7 shows a schematic sectional view of the trunk arrangement in accordance with the second aspect illustrated in FIG. 5, implemented in the motor vehicle in accordance with the third aspect, in a first situation.
[0057] FIG. 8 shows a schematic view of the trunk arrangement in accordance with the second aspect illustrated in FIG. 5, implemented in the motor vehicle in accordance with the third aspect, in a second situation.
[0058] FIG. 9 shows a cross-section of the trunk arrangement in accordance with the second aspect illustrated in FIG. 8.
[0059] FIG. 10 shows a schematic view of a trunk arrangement in accordance with the second aspect, seen from above in isometric perspective, in a second embodiment.
[0060] FIG. 11 shows a schematic view of a closure cap of the trunk arrangement in accordance with the second aspect illustrated in FIG. 10, seen from above.
[0061] FIG. 12 shows a schematic sectional view of the trunk arrangement in accordance with the second aspect illustrated in FIG. 10, implemented in the motor vehicle in accordance with the third aspect.
[0062] FIG. 13 shows a schematic view of a trunk arrangement in accordance with the second aspect, seen from above in isometric perspective, in a third embodiment[.
[0063] FIG. 14 shows a schematic view of a closure cap of the trunk arrangement in accordance with the second aspect illustrated in FIG. 13, seen from above.
[0064] FIG. 15 shows a cross-sectional view of the trunk arrangement in accordance with the second aspect illustrated in FIG. 13, implemented in the motor vehicle in accordance with the third aspect.
[0065] Of course, the features, the variants and the different embodiments could be associated together, according to various combinations, to the extent that they are not incompatible or exclusive of one another. In particular, it is possible to imagine variants comprising only a selection of features described hereinafter in isolation from the other described features, if this selection of features is sufficient to confer a technical advantage or to differentiate the described devices from the prior art.
[0066] In particular, all of the described variants and embodiments could be combined together if nothing technically opposes this combination.
[0067] In the figures, the elements common to several figures keep the same reference.
DETAILED DESCRIPTION
[0068] In FIGS. 1 to 15, the orientations and directions are defined as follows. A longitudinal direction, corresponding to a direction from the rear to the front, will be represented by an axis OX. A lateral direction corresponding to a direction from the left to the right will be represented by an axis OY. A vertical direction, corresponding to a direction from the bottom to the top, will be represented by an axis OZ. These different axes define an orthonormal coordinate system OXYZ shown in the various figures. In the orthonormal reference frame, the front orientation will be defined by the positive direction of the axis OX, the rear orientation being defined by the negative direction of this same axis. The top or upper orientation will be defined by the positive direction of the axis OZ, the below or lower orientation being defined by the negative direction of this same axis.
[0069] FIG. 1 shows a motor vehicle 1 in accordance with the third aspect. The motor vehicle 1 in accordance with the third aspect includes a trunk 3 arrangement 2 in accordance with the second aspect.
[0070] In the motor vehicle 1 in accordance with the third aspect shown in FIG. 1, the trunk 3 arrangement 2 is centered with respect to a longitudinal median axis 4 of the motor vehicle 1, the median longitudinal axis 4 extending along the axis OX. In the motor vehicle 1 in accordance with the third aspect, the trunk 3 arrangement 2 supports a trunk 3 floor element 5.
[0071] FIG. 1 shows that the trunk 3 arrangement 2 in accordance with the second aspect includes a trunk 3 bottom element 6 in accordance with the first aspect and a closure cap 7 housed in a central opening 8 of the trunk 3 bottom element 6. The closure cap 7, which has a generally cylindrical conformation with shape and dimension complementary to those of the central opening 8 of the trunk 3 bottom element 6, completely closes the central opening 8 of the trunk 3 bottom element 6 in FIG. 1.
[0072] FIG. 1 shows that, in the trunk 3 arrangement 2 in accordance with the second aspect, the trunk 3 bottom element 6 in accordance with the first aspect comprises an angular indexing member 9. In the trunk 3 arrangement 2, the closure cap 7 includes an angular indexing device 10. The angular indexing device 10 of the closure cap 7 is formed at the front of the closure cap 7. The angular indexing device 10 of the closure cap 7 is formed at the rear of the angular indexing member 9 of the trunk 3 bottom element 6. In the motor vehicle 1 in accordance with the third aspect, the angular indexing device 10 of the closure cap 7 and the angular indexing member 9 of the trunk 3 bottom element 6 are centered on the median longitudinal axis of the motor vehicle 1.
[0073] Referring to FIGS. 2, 3 and 4, the trunk 3 bottom element 6 in accordance with the first aspect is illustrated. The trunk 3 bottom element 6 is seen from above in FIG. 2, seen from below in FIG. 3 and seen in FIG. 4 according to a longitudinal section CC shown in FIG. 2.
[0074] FIGS. 2, 3 and 4 show that the trunk 3 bottom element 6 in accordance with the first aspect includes an external frame 11, the central opening 8 and the angular indexing member 9, the angular indexing member 9 being visible in FIGS. 2 and 4. The central opening 8 is delimited by a cylindrical wall 12 of the trunk 3 bottom element 6.
[0075] FIGS. 2 and 3 show that the external frame 11 of the trunk 3 bottom element 6 comprises two side walls 13, each connecting a front wall 14 of the external frame 11 to a rear wall 15 of the external frame 11. The lateral walls 13 of the external frame 11 laterally delimit the trunk 3 bottom element 6. The front wall 14 of the external frame 11 and the rear wall 15 of the external frame 11 longitudinally delimit the trunk 3 bottom element 6.
[0076] FIG. 2 shows that the external frame 11 of the trunk 3 bottom element 6 has an upper bearing surface 16 intended to receive the trunk 3 floor element 5. The upper support surface 16 of the external frame 11 of the trunk 3 bottom element 6 extends at the two side walls 13, the front wall 14 and the rear wall 15 of the external frame 11. The upper support surface 16 of the external frame 11 of the trunk 3 bottom element 6 is opposite to a lower face 17 of the trunk 3 bottom element 6, with respect to the vertical direction, oriented according to the axis OZ. The lower face 17 of the trunk 3 bottom element 6 is visible in FIG. 3 and not in FIG. 2, due to the viewing angle.
[0077] FIG. 2 shows that the angular indexing member 9 of the trunk 3 bottom element 6 is in the form of a notch 18 formed on the cylindrical wall 12 of the trunk 3 bottom element 6 at the front of the trunk 3 bottom element 6. The notch 18 comprises an engagement face 19 intended to cooperate with the angular indexing device 10 of the closure cap 7. The engagement face 19 of the notch 18 forming the angular indexing member 9 of the trunk 3 bottom element 6 extends substantially parallel, and set back in the vertical direction, from the upper bearing surface 16 of the external frame 11 of the trunk 3 bottom element 6.
[0078] FIG. 2 shows the trunk 3 bottom element 6 in accordance with the first aspect comprising a peripheral recess 20 extending all around the cylindrical wall 12. The peripheral recess 20 is radially delimited by the cylindrical wall 12 and by the external frame 11 of the trunk 3 bottom element 6. FIG. 4 shows in particular that, at the angular indexing member 9 of the trunk 3 bottom element 6, the cylindrical wall 12 is located radially away from the external frame 11, with respect to the vertical direction oriented according to the axis OZ.
[0079] FIG. 3 shows that the trunk 3 bottom element 6 in accordance with the first aspect comprises a housing 21 intended to house an audio system, herein not shown. The housing 21 intended to house an audio system is formed between the lower face 17 of the trunk 3 bottom element 6 and the upper bearing surface 16 of the external frame 11 of the trunk 3 bottom element 6. The housing 21 intended to house an audio system is delimited in the vertical direction, oriented according to the axis OZ, by a membrane 22. The membrane 22 is made integrally in one piece with the trunk 3 bottom element 6 in accordance with the first aspect. The membrane 22 extends between the cylindrical wall 12 of the trunk 3 bottom element 6 and the external frame 11 of the trunk 3 bottom element 6, on either side of said cylindrical wall 12. The housing 21 intended to house an audio system is in the form of an opening passing through the trunk 3 bottom element 6 in the lateral direction, oriented according to the axis OY. The housing 21 intended to house an audio system extends from one of the two side walls 13 to the other one of the two side walls 13. The housing 21 and the central opening 8 of the trunk 3 bottom element 6 overlap and together form a continuous volume.
[0080] FIG. 4 illustrates, in dotted lines, different parts 23, 24, 25 that can be housed alternately in the trunk 3 bottom element 6 in accordance with the first aspect. It should be understood that the trunk 3 bottom element 6 can house a spare wheel 23 of the motor vehicle 1 of the donut type in the central opening 8 or a spare wheel 24 of the motor vehicle 1 of the full-size type in the central opening 8, or an audio system 25 in the housing 21. Thus, the same trunk 3 bottom element 6 allows different options to be offered for housing a spare wheel 23 of the motor vehicle 1 of the donut type 23 or a spare wheel 24 of the motor vehicle 1 of the full-size type or an audio system 25, or none of these parts 23, 24, 25. Regardless of the selected configuration, the trunk 3 bottom element 6 in accordance with the first aspect is universal and allows different motor vehicles 1 in accordance with the third aspect to be equipped without distinction.
[0081] FIG. 4 shows that the cylindrical wall 12 of the trunk 3 bottom element 6 comprises an upper end 26. The upper end 26 of the cylindrical wall 12, considered at the rear of the trunk 3 bottom element 6, is coplanar with the upper bearing surface 16 of the external frame 11 of the trunk 3 bottom element 6 so as to form only one bearing surface. In the longitudinal direction, oriented according to the axis OX, the upper bearing surface 16 forms a non-zero angle 27 with respect to a horizontal plane 29 perpendicular to the axis OZ. The upper end 26 of the cylindrical wall 12, considered at the front of the trunk 3 bottom element 6, is set back from the upper bearing surface 16 of the external frame 11 of the trunk 3 bottom element 6 and forms the notch 18 of the angular indexing member 9.
[0082] FIG. 4 shows that, in the vertical direction oriented according to the axis OZ, the membrane 22 delimiting the housing 21 of the audio system 25 is located in an intermediate position between the upper support surface 16 of the external frame 11 of the trunk 3 bottom element 6 and the lower face 17 of the trunk 3 bottom element 6 in accordance with the first aspect. In this case, the membrane 22 delimiting the housing 21 of the audio system 25 is located at a height 30 considered in the vertical direction oriented according to the axis OZ comprised between 40% and 60% of a height 31 of the trunk 3 bottom element 6 considered in the vertical direction oriented according to the axis OZ and at the recess 21.
[0083] Referring to FIGS. 5, 10 and 13, the trunk 3 arrangement 2 in accordance with the second aspect is illustrated, seen from above in isometric perspective, in three distinct embodiments. The trunk 3 arrangement 2 includes the trunk 3 bottom element 6 according to the first aspect and the closure cap 7. The closure cap 7 is housed in the central opening 8 of the trunk 3 bottom element 6, the closure cap 7 having a general cylindrical conformation with shape and dimension complementary to those of the central opening 8 of the trunk 3 bottom element 6. The trunk 3 arrangement 2 in accordance with the second aspect shown in FIGS. 5, 10 and 13 is shown, respectively, in FIGS. 7, 12 and 15, according to a longitudinal section AA. The longitudinal section AA passes through the angular indexing member 9 of the trunk 3 bottom element 6, as shown in FIGS. 5, 10 and 13.
[0084] FIGS. 6, 11 and 14 show the closure cap 7 of the trunk 3 arrangement 2 in accordance with the second aspect. The closure cap 7 comprises an upper bearing wall 32 opposite to a base 33, with respect to the vertical direction, oriented according to the axis OZ. The upper bearing wall 32 of the closure cap 7 and the base 33 of the closure cap 7 are connected by a peripheral wall 34 of the closure cap 7. The peripheral wall 34 of the closure cap 7 is cylindrical and is intended to cooperate with the cylindrical wall 12 of the trunk 3 bottom element by complementary shape engagement.
[0085] FIGS. 6, 11 and 14 show that the angular indexing device 10 of the closure cap 7 includes a prismatic support 35 which projects radially from the peripheral wall 34 of the closure cap 7 towards the front of the closure cap 7.
[0086] FIGS. 6 and 14 respectively illustrate the closure cap 7 of the first variant and of the third variant of the trunk 3 arrangement 2 in accordance with the second aspect. FIGS. 6 and 14 show a prismatic support 35 of the closure cap 7 including an upper face 36 opposite to a bearing face 37. The upper face 36 of the prismatic support 35 is formed by extension of the upper bearing wall 32 of the closure cap 7. The bearing face 37 of the prismatic support 35 is configured to cooperate with the notch 18 of the trunk 3 bottom element 6 in accordance with the first aspect. FIGS. 7 and 15 show the prismatic support 35 of the angular indexing device 10 of the closure cap 7 engaged in the notch 18 of the trunk 3 bottom element 6, the prismatic support 35 having a complementary shape and complementary dimensions to the notch 18. The bearing face 37 of the prismatic support 35 of the angular indexing device 10 of the closure cap 7 cooperates with the engagement face 19 of the notch 18 forming the angular indexing member 9 of the trunk 3 bottom element 6. FIGS. 7 and 15 show that the prismatic support 35 has a rectangular shaped longitudinal profile. The bearing face 37 of the prismatic support 35 of the angular indexing device 10 of the closure cap 7 bears against the engagement face 19 of the notch 18 forming the angular indexing member 9 of the trunk 3 bottom element 6.
[0087] FIG. 11 shows the closure cap 7 of the second variant of the trunk 3 arrangement 2 in accordance with the second aspect. FIG. 11 shows a prismatic support 35 of the closure cap 7 including a groove 38. A bottom of the groove 38 forms the bearing face 37 of the prismatic support 35 of the angular indexing device 10 of the closure cap 7. The upper face 36 is opposite to the bottom of the groove 38 forming the bearing face 37 of the prismatic support 35 of the angular indexing device 10 of the closure cap 7. The groove 38 is formed in the prismatic support 35 opposite to the upper bearing wall 32 of the closure cap 7. The groove 38 of the prismatic support 35 is configured to engage in the notch 18 of the trunk 3 bottom element 6 in accordance with the first aspect so that the bearing face 37 of the prismatic support 35 of the angular indexing device 10 of the closure cap 7 cooperates with the engagement face 19 of the notch 18 of the trunk 3 bottom element 6. FIGS. 10 and 12 show the groove 38 of the prismatic support 35 of the angular indexing device 10 of the closure cap 7 engaged in the notch 18 of the trunk 3 bottom element 6, the groove 38 having a complementary shape and complementary dimensions to the notch 18. FIG. 12 shows that the prismatic support 35 including the groove 38 has an L-like shaped longitudinal profile. The groove bottom 38 forming the bearing face 37 of the prismatic support 35 of the angular indexing device 10 of the closure cap 7 bears against the engagement face 19 of the notch 18 forming the angular indexing member 9 of the trunk 3 bottom element 6. FIG. 12 further shows that the base 33 of the closure cap 7 also bears against the membrane 22. Thus, in the central opening 8 of the trunk 3 bottom element 6, a space 39 for housing a donut type spare wheel 23 of the motor vehicle 1 is formed.
[0088] FIGS. 7, 12 and 15 show that, in the longitudinal direction, oriented according to the axis OX, the upper bearing wall 32 of the closure cap 7 forms a non-zero angle 28 with respect to the horizontal plane 29, regardless of the variant of the trunk 3 arrangement 2 in accordance with the second aspect. This non-zero angle 28 is equal to the angle 27 formed by the upper bearing surface 16 of the trunk 3 bottom element 6. The cooperation between the angular indexing device 10 of the closure cap 7 and the angular indexing member 9 of the trunk 3 bottom element 6 enables angular indexing of the closure cap 7 in the central opening 8 of the trunk 3 bottom element 6, so that the upper bearing surface 16 of the trunk 3 bottom element 6 and the upper bearing wall 32 of the closure cap 7 are coplanar to support together the trunk 3 floor element 5, not shown.
[0089] FIGS. 6 and 7 show that the closure cap 7 of the first variant of the trunk 3 arrangement 2 in accordance with the second aspect comprises an intermediate wall 40 extending substantially horizontally between the upper bearing wall 32 of the closure cap 7 and the base 33 of the closure cap 7. FIG. 7 shows that the intermediate wall 40 of the closure cap 7 is intended to overhang the housing 21 while the base 33 of the closure cap 7 rests on a structure of the motor vehicle 1, not shown.
[0090] FIGS. 8 and 9 show the first variant of the trunk 3 arrangement 2 in accordance with the second aspect, illustrated in FIG. 7, in a situation. The trunk 3 arrangement 2 in accordance with the second aspect shown in FIG. 9 corresponds to a longitudinal section BB visible in FIG. 8, passing through the angular indexing member 9 of the trunk 3 bottom element 6, not visible in FIG. 8.
[0091] FIGS. 8 and 9 illustrate the audio system 25 integrated into the trunk 3 bottom element 6 in accordance with the first aspect, under the closure cap 7. FIG. 8 shows that the audio system 25 extends transversely into the housing 21 of the trunk 3 bottom element 6, from a first transverse end 41 of the housing 21 to a second transverse end 42 of the housing 21 opposite to the first transverse end 41 of the housing 21. FIG. 9 shows that the intermediate wall 40 of the closure cap 7 is separated from the audio system 25 by a gap 43, the closure cap 7 bearing against a structure 46 of the motor vehicle 1 at the base 33 of the closure cap 7.
[0092] FIG. 6 shows that the closure cap 7 of the first variant of the trunk 3 arrangement 2 in accordance with the second aspect comprises two front upper chambers 44 and two rear upper chambers 45. The two upper chambers 45 are comprised between the upper bearing wall 32 of the closure cap 7 and the intermediate wall 40 of the closure cap 7. The two front upper chambers 44 are comprised between the upper bearing wall 32 of the closure cap 7 and the base 33 of the closure cap 7. The two front upper chambers 44 and the two rear upper chambers 45 are open on the upper bearing wall 32 of the closure cap 7 and comprise a bottom 47, 48. The two front upper chambers 44 and the two rear upper chambers 45 form an additional storage space in the closure cap 7. The bottom 48 of the upper rear chambers 45 is larger than the bottom 47 of the front upper chambers 44, with respect to the axis OZ. Under the two rear upper chambers 45, between the intermediate wall 40 and the base 33 of the closure cap 7, the closure cap 7 comprises a recess 49 intended to overhang the housing 21. The recess 49 is delimited by the intermediate wall 40 of the closure cap 7 and a rear face 50 of the closure cap 7, the rear face 50 extending perpendicularly to the intermediate wall 40 of the closure cap 7 and from said intermediate wall 40 to the base 33 of the closure cap 7. The rear face 50 of the closure cap 7 is delimited by the intermediate wall 40 of the closure cap 7, the base 33 of the closure cap 7 and the peripheral wall 34 of the closure cap 7.
[0093] FIG. 11 shows that the closure cap 7 of the second variant of the trunk 3 arrangement 2 in accordance with the second aspect comprises two front upper chambers 44 and two rear upper chambers 45. The two front upper chambers 44 and the two rear upper chambers 45 are all comprised between the upper bearing wall 32 of the closure cap 7 and the base 33 of the closure cap 7. The two front upper chambers 44 and the two rear upper chambers 45 are open on the upper bearing wall 32 of the closure cap 7 and comprise a bottom 47, 48. The two front upper chambers 44 and the two rear upper chambers 45 form an additional storage space in the closure cap 7. The bottoms 47 of the front upper chambers 44 and the bottoms 48 of the rear upper chambers 45 are coplanar and extend substantially horizontally.
[0094] FIGS. 6 and 11 show that the front upper chambers 44 and the rear upper chambers 45 are separated from one another by partitions 51 for separating the chambers 44, 45. The partitions 51 extend radially from the peripheral wall 34 of the closure cap 7 towards a vertical central cylinder 52 of the closure cap 7. The partitions 51 and the peripheral wall 34 of the closure cap 7 delimit the upper bearing wall 32 of the closure cap 7.
[0095] FIG. 14 shows that the closure cap 7 of the third variant of the trunk 3 arrangement 2 in accordance with the second aspect comprises the upper bearing wall 32 formed by a solid surface. The upper bearing wall 32 of the closure cap 7 extending over a solid surface is delimited by the peripheral wall 34 of the closure cap 7. FIG. 15 shows that such a closure cap 7 allows the central opening 8 to be closed by clearing a space 53 for accommodating a full-size type spare wheel 24 of the motor vehicle 1.
[0096] In summary, the disclosed devices relate to a trunk 3 bottom element 6. The trunk 3 bottom element 6 includes an external frame 11 laterally and longitudinally delimiting the trunk 3 bottom element 6, a central opening 8 delimited by a cylindrical wall 12 and an angular indexing member 9 configured to enable angular indexing of a closure cap 7 of the central opening 8, with respect to the vertical direction of the trunk 3 bottom element 6. In the trunk 3 bottom element 6, the external frame 11 has in a vertical direction an upper bearing surface 16 intended to receive a trunk 3 floor element 5. The central opening 8 of the trunk 3 bottom element 6 is configured to alternately house a spare wheel 23, 24 of the motor vehicle 1 of the donut type and of the full-size type.
[0097] Of course, the present description is not limited to the examples that have just been described and numerous modifications could be made to these examples without departing from the. In particular, the different features, shapes, variants and embodiments could be associated together according to various combinations to the extent that they are not incompatible or exclusive of one another. In particular, all of the previously-described variants and embodiments may be combined together.