WO2019092745A1 - Floor of a two wheeled vehicle - Google Patents

Abstract

A two wheeled vehicle (100) is provided. The two wheeled vehicle (100) comprises a body frame (101). The body frame (101) comprises a head tube (110) and at least one down tube (112) having a front tube (112F) and a step through tube portion (112S). The two wheeled vehicle (100) also comprises a handle bar (6), a leg shield (105), a seat (12) and a foot board assembly (106) assembled on the body frame (101). The foot board assembly (106) comprises a floor board (10) and a connecting member (150). The floor board (10) is disposed over the step through tube portion (112S). The floor board (10) comprises at least one mounting protrusion (156). The connecting member (150) is disposed between the floor board (10) and the step through tube portion (112S).

Description

FLOOR OF TWO WHEELED VEHICLE

FIELD OF INVENTION

[0001] The present invention relates to a two wheeled vehicle, and more particularly, to a foot board assembly of the two wheeled vehicle.

BACKGROUND

[0002] Conventionally, a saddle-riding type vehicle such as a scooter comprises a foot board assembly having a floor board forming a flat foot rest surface for resting feet of rider of the vehicle. The foot board assembly is disposed between a handle bar and a seat of the vehicle. One such prior art foot board assembly is shown in Figure 10, the foot board assembly (204) comprises a floor board (210) which extends in width wise direction of the vehicle and is disposed on the step-type structure (216) of the body frame (202). The step-type structure (216) comprises a pair of stay members (246) operatively coupled to the step through tube portion (212S) of the main frame (212). The step-type structure (216) supports the foot board assembly (204). A metal bracket (245) is welded on the step through tube portion (212S) of the main frame (212) to provide support to the floor board (210). The metal bracket (245) is disposed in a central portion of the step-type structure (216). The metal bracket (245) is a U shaped bracket having a planar portion facing opposite to the bottom surface of floor board (210). The floor board (210) freely rests on the metal bracket (245).

[0003] However, the metal bracket (245) is pre-welded to the step through tube portion (212S) of the main frame (212) and is provided with no provision to assist in locating the floor board (210) during assembly of the foot board assembly (204). The metal bracket (245) and pre-welding process increases the overall cost of the assembly. Further, the metal bracket (245) is not fixed to the floor board (210), so there is possibility of misalignment during assembly process which in turn will increase the process time. SUMMARY OF I VENTION

[0004] In one aspect of the present invention, a two wheeled vehicle is provided. The two wheeled vehicle comprises a body frame. The body frame comprises a head tube, at least one down tube, and at least one seat rail. The down tube comprises a front tube and a step through tube portion. The front tube extends downward and rearward from the head tube. The step through tube portion extends substantially horizontal in a rearward direction from the front tube. At least one seat rail (114) extending in a rearward and upward direction from the step through tube portion (112S) to support a seat. The two wheeled vehicle also comprises a handle bar steerably mounted to the head tube. The two wheeled vehicle further comprises a leg shield disposed below the handle bar and covers the front tube (112F). The two wheeled vehicle also comprises a foot board assembly disposed between the seat and the leg shield. The foot board assembly comprises a floor board. The floor board is disposed over the step through tube portion for allowing a rider to place his feet thereon. The floor board is coupled to a lower portion of the leg shield. The floor board comprises at least one mounting protrusion. The foot board assembly also comprises a connecting member. The connecting member is disposed between the floor board and the step through tube portion. One end of the connecting member is received by the mounting protrusion and other end of the connecting member operatively mounts the floor board on the down tube.

[0005] With this foot board assembly of the vehicle as disclosed in the present invention, the foot board assembly comprising the floor board and the connecting member. The connecting member acts as a locator for the floor board during assembly of the vehicle. The connecting member also decreases the assembling time of the foot board assembly on the vehicle, as the connecting member is initially preassembled to the floor board and is then assembled to a step type structure of the vehicle. Further it also restricts the sagging of the floor board under the condition of load on the floor board or otherwise.

[0006] In an embodiment, the body frame comprises a left support stay and a right support stay. The left support stay and the right support stay extend parallel to the step through tube portion of the down tube. In an embodiment, the step through tube portion together with

- 2 - the left support stay, the right support stay, a first cross member and a cross member of the body frame constitutes a step type structure.

[0007] In an embodiment, the floor board comprises a top surface, a bottom surface, and at least one mounting provision. The at least one mounting provision extends from the bottom surface.

[0008] In an embodiment, the mounting protrusion comprises a mounting wall, a mounting lug and a locating pin.

[0009] In an embodiment, the connecting member comprises a plurality of side walls, a top wall, a mounting provision, at least one wing member. The top wall is disposed above the plurality of side walls. The top wall comprising a mounting slot defined on one of the edges interconnecting the side wall and the top wall. The mounting slot is configured to receive the locating pin. The mounting provision is disposed on the top wall. The mounting provision is configure to receive the mounting lug. The at least one wing member is disposed on the at least one of the plurality of side walls. The plurality of side walls and the at least one wing member define a curved bottom profile which is substantially congruent to the step through tube portion of the down tube. The connecting member eliminates the wear and tear of the floor board associated with conventional metal brackets which were in direct contact with the floor board.

[00010] In an embodiment, the mounting provision comprises a mounting provision slot and a mounting provision opening. The mounting provision opening is configured to receive a cylindrical portion of the mounting lug and the mounting provision opening is configured to receive a flange of the mounting provision slot.

[00011] In an embodiment, the curved bottom profile is substantially C-shaped or inverted U-shaped.

[00012] In an embodiment, the connecting member has rectangular cross-section. In an embodiment, the floor board and the connecting member are integrally formed.

[00013] In an embodiment, the floor board is made of metal or a fibre reinforced plastic or resin material or plastic material. In an embodiment, the connecting member is made of resin

- 3 - or plastic material. The connecting member is made or resin or other plastic which is cheaper compared to the conventional metal bracket. This feature make this invention cost effective as the connecting member eliminates the cost associated with conventional metal brackets and the cost associated with welding of the metal brackets to the body frame.

[00014] In an embodiment, the connecting member is removably coupled to the floor board through a plurality of second fastening members. As per requirement, the connecting member may be easily taken out for servicing or repair. The connecting member provided to the floor board is very simple and does not involve too many mechanical moving parts. Further, the connecting member eliminates or minimizes the chances of misalignment of the floor board.

BRIEF DESCRIPTION OF DRAWINGS

[00015] The invention itself, together with further features and attended advantages, will become apparent from consideration of the following detailed description, taken in conjunction with the accompanying drawings. One or more embodiments of the present invention are now described, by way of example only wherein like reference numerals represent like elements and in which:

[00016] Figure 1 illustrates a view of a vehicle, according to an embodiment of the present invention;

[00017] Figure 2 illustrates a body frame of the vehicle, according to another embodiment of the present invention;

[00018] Figure 3 illustrates a foot board assembly and the body frame of the vehicle, according to an embodiment of the present invention;

[00019] Figure 4 illustrates a floor board of the foot board assembly, according to an embodiment of the present invention;

[00020] Figure 5 illustrates a mounting provision of the floor board, according to an embodiment of the present invention;

- 4 - [00021] Figure 6 & 7 illustrates a different views of a connecting member of the foot board assembly, according to an embodiment of the present invention;

[00022] Figure 8 illustrates a side view of the foot board assembly and the body frame, according to an embodiment of the present invention;

[00023] Figure 9 illustrates a cross sectional view of the foot board assembly and the body frame, according to an embodiment of the present invention; and

[00024] Figure 10 illustrates a prior art vehicle having a foot board assembly and a body frame.

[00025] The drawings referred to in this description are not to be understood as being drawn to scale except if specifically noted, and such drawings are only exemplary in nature.

DETAILED DESCRIPTION

[00026] While the invention is susceptible to various modifications and alternative forms, an embodiment thereof has been shown by way of example in the drawings and will be described here below. It should be understood, however that it is not intended to limit the invention to the particular forms disclosed, but on the contrary, the invention is to cover all modifications, equivalents, and alternative falling within the spirit and the scope of the invention.

[00027] The term "comprises", comprising, or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a setup, structure or method that comprises a list of components or steps does not include only those components or steps but may include other components or steps not expressly listed or inherent to such setup or structure or method. In other words, one or more elements in a system or apparatus proceeded by "comprises... a" does not, without more constraints, preclude the existence of other elements or additional elements in the system or apparatus.

[00028] For better understanding of this invention, reference would now be made to the embodiment illustrated in the accompanying Figures and description here below, further, in the

- 5 - following Figures, the same reference numerals are used to identify the same components in various views.

[00029] While the present invention is illustrated in the context of a two wheeled vehicle, however, foot board assembly and aspects and features thereof can be used with other type of vehicles as well. The terms "vehicle", "two wheeled vehicle" and "motorcycle" have been interchangeably used throughout the description. The terms "foot board" and "floor board" have been interchangeably used throughout the description. The term "two wheeled vehicle" includes vehicles such as motorcycles, scooters, bicycles, mopeds, scooter type vehicle, all- terrain vehicles (ATV) and the like.

[00030] The terms "front / forward", "rear / rearward / back / backward", "up / upper / top", "down / lower / lower ward / downward, bottom", "left / leftward", "right / rightward" used therein represents the directions as seen from a vehicle driver sitting astride and these directions are referred by arrows Fr, Rr, U, Lr, L, R in the drawing Figures.

[00031] Referring to Figure 1, a two wheeled vehicle (100) according to an embodiment of the present invention is depicted. The two wheeled vehicle (100) referred to herein, embodies a scooter. Alternatively, the two wheeled vehicle (100) may embody any other ridden vehicle such as motorcycle, three-wheeled vehicle, all-terrain vehicle (ATV) etc. without limiting the scope of the invention.

[00032] The two wheeled vehicle (100) comprises a front end assembly (102), a rear end assembly (104), and a foot board assembly (106). The front end assembly (102) forms the front portion of the vehicle (100). The rear end assembly (104) forms the rear portion of the vehicle (100). The foot board assembly (106) lies between the front portion (102) and the rear portion (104). The foot board assembly (106) provides foot rest for a rider riding the vehicle (100).

[00033] The front end assembly (102) comprises a front ground engaging member (2) and a steering mechanism (103). The front ground engaging member (2) is operatively connected to the steering mechanism (103). The steering mechanism (103) comprises a handle bar (6). The handle bar (6) is configured to be rotated by the rider to steer the vehicle (100). Further, the front end assembly (102) comprises a leg shield (105) disposed below the handle bar (6).

- 6 - The leg shield (105) encloses the steering mechanism (103). The leg shield (105) is made of resin material. The leg shield (105) comprises an inner leg shield (5) and an outer leg shield (4). The leg shield (105) provides protection for the feet of the rider of the vehicle (100). The leg shield (105) covers the head tube (110) and down tube (112). The front end assembly (102) comprises a storage box (15) and a storage box lid (17). The storage box lid (17) is coupled to the storage box (15) in an open-able and closable manner. The storage box (15) is used to store small articles therein within.

[00034] The front end assembly (102) comprises a display unit (32). The display unit (32) displays information about the vehicle (100) to the rider. Further, the front end assembly (102) may further comprise additional components such as mirrors, head lamps, front fenders etc. without limiting the scope of the invention.

[00035] The rear end assembly (104) comprises a seat (12), a rear ground engaging member (35), a center cover (11), a right side cover (33), a left side cover (not shown) and a power unit (not shown). The seat (12) provides seating for the rider of the two wheeled vehicle

(100) . The seat (12) is disposed behind the leg shield (105). The center cover (11), the right side cover (33) and the left side cover covers the rear portion of a body frame (101) (shown in Figure 2). The seat (12) is disposed on an upper side of the center cover (11), the left side cover and the right side cover (33). The rear ground engaging member (35) underlies the seat (12) and is driven by the power unit. The power unit comprises an engine and a transmission unit (not shown). A muffler (36) is operatively coupled to the engine. The muffler (36) vents out exhaust gases generated during operation of the engine. Further, the rear end assembly (104) may comprise additional components such as rear fender, suspension systems, tail lights, rear grips etc. without limiting the scope of the invention.

[00036] Referring to Figure 2, the two wheeled vehicle ( 100) comprises the body frame

(101) . The body frame (101) supports the front end assembly (102), the foot board assembly (106), and the rear end assembly (104) of the two wheeled vehicle (100). The body frame (101) comprises a head tube (110), at least one down tube (112), a first cross member (124), a front side cross frame (120), at least one seat rail (114), in the illustrated embodiment a left seat rail (114a), a right seat rail (114b) are depicted, and a rear side cross frame (116). In the illustrated

- 7 - example, the body frame (101) comprises one down tube (112). The down tube (112) extends downwards and rearwards from the head tube (110). The down tube (112) comprises a front tube (112F) and a step through tube portion (112S). The front tube (112F) extends downward and rearward from the head tube (110). The step through tube portion (112S) extends substantially horizontal from the front tube (112F). The step through tube portion (112S) is connected to the first cross member (124). The left seat rail (114a) and the right seat rail (114b) extend substantially parallel in a rearward and upward direction from the first cross member (124). The front side cross frame (120) and the rear side cross frame (116) extend between the left seat rail (114a) and the right seat rail (114b). Rear portion of the left seat rail (114a) and the right seat rail (114b) curves toward one another and are connected by a bracket (123).

[00037] The body frame (101) comprises a left support stay (117a) and a right support stay (117b), and a cross member (122). The cross member (122) is disposed on the step through tube portion (112S) and connects each of the left support stay (117a) and the right support stay (117b) at a front portion thereof. The cross member (122) extends along the width direction of the vehicle (100). The right support stay (117b) and the left support stay (117a) extend rearwards from sides of the cross member (122). The left support stay (117a) and the right support stay (117b) extend parallel to the step through tube portion (112S) of the down tube (112), and are connected to the first cross member (124). The right support stay (117b), the left support stay (117a), the first cross member (124), the cross member (122), and the step through tube portion (112S) constitutes a step-type structure (145). The step-type structure (145) supports the foot board assembly (106).

[00038] Further, a first U-shaped frame tube (118a) extends from the left seat rail (114a) at a position near the front side cross frame (120). Similarly, a second U-shaped frame tube (118b) extends from the right seat rail (114b) at a position near the front side cross frame (120). The first U-shaped frame tube (118a) and the second U-shaped frame tube (118b) are used for mounting foot pegs (not shown).

[00039] Referring to Figure 3, the vehicle (100) comprises a foot board assembly (106) and the step-type structure (145). The foot board assembly (106) comprises a floor board (10) and a connecting member (150). The step-type structure (145) comprises the left support stay

- 8 - (117a), the right support stay (117b), the cross member (122) and the first cross member (124), and the step through tube portion (112S). The step-type structure (145) comprises a plurality of mounting holes (163) disposed on the left support stay (117a) and the right support stay (117b). In the illustrated example, the step-type structure (145) comprises four mounting holes (163). Each of the left support stay (117a) and the right support stay (117b) are provided with two mounting holes (163) respectively. The mounting holes (163) facilitates in mounting the floor board (10) to the step-type structure (145).

[00040] The floor board (10) is a substantially rectangular structure which lies within a space defined between the seat (12) and the leg shield (105) (shown in Figure 1). More particularly, the floor board (10) is coupled to a lower portion of the inner shield (5) and extends towards the seat (12). The floor board (10) is disposed over the step though tube portion (112S). The floor board (10) serves the purpose of placing feet of the rider while riding. In an embodiment the floor board (10) is made of resin or plastic material. Alternatively, the floor board (10) may be made from any other materials such as metal etc. without limiting the scope of the invention. The floor board (10) comprises a top surface (51) and a bottom surface (52) opposite to the top surface (51). The top surface (51) of the floor board (10) may be a completely flat surface, or may be a substantially flat surface having such a degree of ruggedness as to enable the driver to place the feet thereon without difficulty. Further, a non-slip sheet made of synthetic resin or rubber may be laid out on the top surface (51) of the floor board (10).

[00041] Referring to Figures 4 and 5, the floor board (10) comprises at least one bolt- fastening portion (162). In the illustrated example, the floor board (10) comprises four bolt- fastening portions (162). The bolt-fastening portions (162) protrude in the downward direction from the bottom surface (52) of the floor board (10). In an embodiment the bolt-fastening portion (162) are located near each corner of the floor board (10). Each of the bolt-fastening portion (162) so disposed as to overlap the mounting hole (163) provided on the step-type structure (145). The floor board (10) is coupled to the step-type structure (145) via a number of first fastening members (169) passing through the bolt-fastening portion (162) and the mounting hole (163) (shown in Figure 3). The first fastening members (169) may be selected from any of the fastening means known in the art such as screws, bolts, nuts, rivets etc. without

- 9 - limiting the scope of the invention. The floor board (10) comprises at least one mounting bracket (161). The mounting bracket (161) is disposed on the bottom surface (52) of the floor board (10). The mounting bracket (161) extends in a downward direction from the floor board (10).

[00042] The floor board (10) comprises at least one mounting protrusion (156). In the illustrated example, the floor board (10) comprises one mounting protrusion (156). The mounting protrusion (156) is disposed on the bottom surface (52) of the floor board (10). In an embodiment the mounting protrusion (156) is a rectangular walled structure protruding downwards from the bottom surface (52) of the floor board (10). The mounting protrusion (156) is provided in a central portion of the floor board (10). The mounting protrusion (156) is used for holding the connecting member (150).

[00043] The mounting protrusion (156) comprises a locating pin (153), a mounting wall (155) and a mounting lug (158). The locating pin (153) act as a locator when connecting member (150) is inserted into the mounting protrusion (156). When inserted the mounting wall (155) surrounds the connecting member (150) and facilitates in holding the connecting member (150) in position. The mounting lug (158) is protruded outward away from the bottom surface (52) of the floor board (10). The mounting lug (158) is enclosed inside the mounting wall (155). The mounting lug (158) comprises a cylindrical portion (165) and a plurality of flanges (166). The flanges (166) are provided on outer periphery of the cylindrical portion (165). In the illustrated example, the mounting lug (158) comprises four flanges (166). Alternatively, the mounting lug (158) may comprises any number of flanges (166) without limiting the scope of the invention.

[00044] Referring to Figures 6 and 7, the foot board assembly (106) comprises the connecting member (150). The connecting member (150) may be a solid, hollow or reinforced structure. In the illustrated example, the connecting member (150) has a rectangular cross- section. The connecting member (150) may be a structure having a different geometric shape such as rectangular, circular, trapezoidal etc. without limiting the scope of the invention. The connecting member (150) comprises at least one side wall (171), a top wall (172), at least one wing member (151), an opening (173) and a mounting provision (157). In the illustrated

- 10 - example, the connecting member (150) comprises four side walls (171). In the illustrated example, the connecting member (150) comprise two wing members (151). In the illustrated example, each of the two wing members (151) are provided on any of the two opposing side walls (171).

[00045] The top wall (172) is provided with a mounting slot (152). The mounting slot (152) is defined on one of the edges interconnecting the side wall (171) and the top wall (172). The mounting slot (152) is configured to receive the locating pin (153) of the mounting protrusion (156), when the connecting member (150) is inserted into the mounting protrusion (156) of the floor board (10). The connecting member (150) is self-guided or located to the specific position through the help of the mounting slot (152) and the locating pin (153).

[00046] The top wall (172) is provided with a mounting provision (157). In an embodiment the mounting provision (157) is protruded in the downward direction opposite from the surface of the top wall (172). In an embodiment the mounting provision (157) is chuck shaped. In an embodiment the mounting provision (157) is provided with a mounting provision opening (167) and a number of mounting provision slots (168). The mounting provision slots (168) are provided at the periphery of the mounting provision opening (167). In an embodiment the mounting provision (157) comprises four mounting provision slots (168).

[00047] The purpose of the mounting provision (157) is to align, accommodate and connect the connecting member (150) with the mounting lug (158) of the floor board (10). In an embodiment the shape of the mounting provision (157) complements the shape of the mounting lug (158).

[00048] In an embodiment, the floor board (10) is coupled to the connecting member (150) via a number of second fastening members (159) passing through the mounting lug (158) and the mounting provision (157) (shown in Figure 9). The second fastening members (159) may be selected from any of the fastening means known in the art such as screws, bolts, nuts, rivets etc. without limiting the scope of the invention.

[00049] The bottom portion of the connecting member (150) facing opposite to the floor board (10) is provided with an opening (173). The side walls (171) and the two wing members

- 11 - (151) define a curved bottom profile (160) which is substantially congruent with the step through tube portion (112S). In the illustrated example, the curved bottom profile (160) is 'C or inverted 'U' shaped.

[00050] Referring to Figures 8 and 9, during assembly of the vehicle (100), the connecting member (150) is inserted into the floor board (10). Thereafter, the connecting member (150) is attached to the floor board (10) through the opening (173) via the second fastening members

(159) . The side walls (171) and the wing members (151) defining a curved bottom profile

(160) abuts against the step through tube portion (112S) of the down tube (112). The wing members (151) disposed on opposing side walls (171) provides strength to the connecting member (150). In an embodiment the extended profile created by the wing members (151) enhances the gripping capability of the connecting member (150) on the main frame (112). The profile of the wing members (151) facilitate in self-locating the connecting member (150) with respect to the step through tube portion (112S) of the down tube (112) during assembly process.

[00051] The present invention provides a foot board assembly (106) comprising the floor board (10) with a removably coupled connecting member (150). The connecting member (150) comprises the side walls (171) and the wing members (151). During assembly of the two wheeled vehicle (100), the connecting member (150) acts as a locator for the floor board (10), when the floor board (10) abuts against the down tube (112) of the vehicle (100). The connecting member (150) also decreases the assembling time of the foot board assembly (106), as the connecting member (150) is initially preassembled to the floor board (10) and is then assembled to the step type structure (145) of the vehicle (100).

[00052] The connecting member (150) is made or resin or other plastic which is cheaper compared to the conventional metal bracket. This feature make this invention cost effective as the connecting member (150) eliminates the cost associated with conventional metal brackets and the cost associated with welding of the metal brackets to the body frame (101).

[00053] The connecting member (150) is removably coupled to the floor board (10) through the second fastening means (159). As per requirement, the connecting member (150) may be easily taken out for servicing or repair. The connecting member (150) provided to the

- 12 - floor board (10) is very simple and does not involve too many mechanical moving parts. Further, the connecting member (150) eliminates or minimizes the chances of misalignment of the floor board (10).

[00054] The present invention enhances the life of the foot board assembly (106), as the resin made floor board (10) is fixed with the resin made connecting member (150), which further abuts against the metal down tube (112). The connecting member (150) eliminates the wear and tear of the floor board (10) associated with conventional metal brackets which were in direct contact with the floor board (10).

[00055] While few embodiments of the present invention have been described above, it is to be understood that the invention is not limited to the above embodiments and modifications may be appropriately made thereto within the spirit and scope of the invention.

[00056] While considerable emphasis has been placed herein on the particular features of this invention, it will be appreciated that various modifications can be made, and that many changes can be made in the preferred embodiments without departing from the principles of the invention. These and other modifications in the nature of the invention or the preferred embodiments will be apparent to those skilled in the art from the disclosure herein, whereby it is to be distinctly understood that the foregoing descriptive matter is to be interpreted merely as illustrative of the invention and not as a limitation.

- 13 -

Claims

We claim:

1. A two wheeled vehicle (100) comprising:

a body frame (101) comprising:

a head tube (110); and

at least one down tube (112) comprises:

a front tube (112F) extending downward and rearward from the head tube (110);

a step through tube portion (112S) extending substantially horizontal in rearward direction from the front tube (112F); and at least one seat rail (114) extending in a rearward and upward direction from the step through tube portion (112S) to support a seat;

a handle bar (6) steerably mounted to the head tube (110);

a leg shield (105) disposed below the handle bar (6) and covers at least one down tube (112);

a foot board assembly (106) disposed between the seat (12) and the leg shield (105), wherein the foot board assembly (106) comprises:

a floor board (10) disposed over the step through tube portion (112S) for allowing a rider to place his feet thereon, wherein the floor board (10) is coupled to a lower portion of the leg shield (105), wherein the floor board (10) comprises at least one mounting protrusion (156); and

a connecting member (150) disposed between the floor board (10) and the step through tube portion (112S), wherein one end of the connecting member (150) is received by the mounting protrusion (156) and the other end of the connecting member (150) operatively mounts the floor board (10) on the down tube (112). The two wheeled vehicle (100) as claimed in claim 1, wherein the body frame (101) comprises a left support stay (117a) and a right support stay (117b), wherein the left support stay (117a) and the right support stay (117b) extend parallel to the step through tube portion (112S) of the down tube (112).

The two wheeled vehicle (100) as claimed in claim 2, wherein the step through tube portion (112S) together with the left support stay (117a), the right support stay (117b), a first cross member (124) and a cross member (122) of the body frame (101) constitutes a step type structure (145).

The two wheeled vehicle (100) as claimed in claim 1, wherein the floor board (10) comprises a top surface (51), a bottom surface (52), and at least one bolt-fastening portion (162), wherein the at least one bolt-fastening portion (162) extends from the bottom surface (52).

The two wheeled vehicle (100) as claimed in claim 1, wherein the mounting protrusion (156) comprises a mounting wall (155), a mounting lug (158) and a locating pin (153).

The two wheeled vehicle (100) as claimed in claim 5, wherein the connecting member (150) comprises:

a plurality of side walls (171);

a top wall (172) disposed above the plurality of side walls (171), wherein the top wall (172) comprises a mounting slot (152) defined on one of the edges interconnecting the side wall (171) and the top wall (172), wherein the mounting slot (152) is configured to receive the locating pin (153);

a mounting provision (157) disposed on the top wall (172), wherein the mounting provision (157) is configured to receive the mounting lug (158);

at least one wing member (151) disposed on at least one of the plurality of side walls (171); wherein the plurality of side walls (171) and the at least one wing member (151) define a curved bottom profile (160) which is substantially congruent to the step through tube portion (112S) of the down tube (112).

7. The two wheeled vehicle (100) as claimed in claim 6, wherein the mounting provision (157) comprises a mounting provision slot (168) and a mounting provision opening (167), wherein the mounting provision opening (167) is configured to receive a cylindrical portion (165) of the mounting lug (168) and the mounting provision opening (167) is configured to receive a flange (166) of the mounting provision slot (168).

8. The two wheeled vehicle (100) as claimed in claim 6, wherein the curved bottom profile (160) is substantially C-shaped or inverted U-shaped.

9. The two wheeled vehicle (100) as claimed in claim 1, wherein the connecting member (150) has rectangular cross-section.

10. The two wheeled vehicle (100) as claimed in claim 1, wherein the floor board (10) and the connecting member (150) are integrally formed.

11. The two wheeled vehicle (100) as claimed in claim 1, wherein the connecting member (150) is made of resin or plastic material.

12. The two wheeled vehicle (100) as claimed in claim 1, wherein the floor board (10) is made of metal or a fibre reinforced plastic or resin material or plastic material.

13. The two wheeled vehicle (100) as claimed in claim 1, wherein the connecting member (150) is coupled to the floor board (10) via a plurality of second fastening members (159).

14. The two wheeled vehicle (100) as claimed in claim 1, wherein the floor board (10) is first coupled to the connecting member (150) before being mounted to the body frame (101) during assembly.