1. A ramp assembly for a pontoon boat having a deck supported by at least two pontoons, the ramp assembly comprising:
a pair of ramp support members having a substantially vertically-oriented portion and an upper portion, the ramp support members being attached to the pontoon boat beneath the deck of the pontoon boat and between the at least two pontoons;
at least one of a roller and a guide bar attached to the substantially vertically-oriented portion of each ramp support member;
a ramp having a pair of side rails, one side rail being positioned on each side of the walkway, the side rails each having an upper rail member and a lower rail member joined by a web; and
wherein the ramp is received between the ramp support members such that the at least one of the roller and the guide bar is positioned between the upper rail member and the lower rail member.
2. A ramp assembly according to claim 1, wherein the ramp support members are z-shaped extrusions.
3. A ramp assembly according to claim 1, wherein:
the side rails of the ramp have an I-shaped cross-section, thereby forming an inboard pocket and an outboard pocket on each side of the web; and
the at least one of the roller and the guide bar is received by the outboard pocket of the side rail.
4. A ramp assembly according to claim 1, wherein:
the side rails of the ramp have an I-shaped cross-section, thereby forming an inboard pocket and an outboard pocket on each side of the web; and
the inboard pockets of the side rails receive a plurality of modular walkway members.
5. A ramp assembly according to claim 4, wherein the walkway members are extruded rectangular tubing.
6. A ramp assembly according to claim 1 further comprising:
an endcap leg disposed at an inboard end of the ramp; and
a lower ramp hanger connected to the ramp support members, the lower ramp hanger having a hanger slot for receiving the endcap leg of the ramp when the ramp is in an extended position.
7. A ramp assembly according to claim 1 further comprising:
an endcap leg disposed at an inboard end of the ramp;
an upper ramp hanger connected to the deck, the upper ramp hanger having a hanger slot for receiving the endcap leg of the ramp when the ramp is in an extended position; and
wherein a walkway surface of the ramp is substantially flush with an upper surface of the deck when the endcap leg engages the hanger slot.
8. A ramp assembly according to claim 1 further comprising:
a handle disposed at an outboard end of the ramp; and
a plank shoe pivotally connected to the handle, the plank shoe having an inclined surface for providing a smooth transition between a walkway surface of the ramp and an anchor surface on which the outboard end of the ramp rests when the ramp is in an extended position.
9. A ramp assembly according to claim 1 further comprising:
at least one hand railing;
a plurality of support legs pivotally connected to the hand railing;
a plurality of railing holes disposed in the ramp;
wherein in an assembled position, a portion of the support legs are received by the railing holes and the hand railing is substantially parallel to the walkway surface of the ramp; and
wherein in a collapsed position, the support legs are pivoted such to place the support legs adjacent to the hand railing for storage.
10. A ramp assembly for a pontoon boat having a deck supported by at least two pontoons, the ramp assembly comprising:
a pair of ramp support members having a substantially vertically-oriented portion and an upper portion, the ramp support members being attached to the pontoon boat beneath the deck of the pontoon boat and between the at least two pontoons;
at least one of a roller and a guide bar attached to the substantially vertically-oriented portion of each ramp support member;
a removable ramp having a pair of side rails, one side rail being positioned on each side of a walkway, the side rails each having an upper rail member and a lower rail member joined by a web;
a first deck hanger positioned at the bow of the pontoon boat;
a second deck hanger positioned at one of the port side and starboard side of the pontoon boat;
wherein the ramp is received between the ramp support members in a stowed position such that the at least one of the roller and the guide bar is positioned between the upper rail member and the lower rail member; and
wherein the ramp is adapted to be received by one of the first and second ramp hangers in an extended position, thereby providing the walkway for one of the bow, port side, and starboard side of the pontoon boat.
11. A ramp assembly according to claim 10, wherein:
the side rails of the ramp having an I-shaped cross-section, thereby forming an inboard pocket and an outboard pocket on each side of the web; and
the at least one of the rollers and the guide bar is received by the outboard pocket of the side rail.
12. A ramp assembly according to claim 10, wherein:
the side rails of the ramp have an I-shaped cross-section, thereby forming an inboard pocket and an outboard pocket on each side of the web;
the at least one of the roller and the guide bar is received by the outboard pocket of the side rail; and
the inboard pockets of the side rails receive a plurality of modular walkway members.
13. A ramp according to claim 12, wherein the walkway members are extruded tubing having a rectangular cross-section.
14. A ramp assembly according to claim 10 further comprising:
an endcap leg disposed at an inboard end of the ramp; and
wherein the endcap leg is received by one of the first hanger and the second hanger when the ramp is placed in the extended position.
15. A ramp assembly according to claim 10, wherein the first and second ramp hangers are mounted to the deck such that the ramp is capable of being positioned in the extended position with the walkway substantially flush with the deck.
16. A ramp assembly according to claim 10 further comprising:
an endcap leg disposed at an inboard end of the ramp;
wherein the endcap leg is received by one of the first hanger and the second hanger when the ramp is placed in the extended position; and
wherein the first and second ramp hangers are mounted to the deck such that the ramp is capable of being positioned in the extended position with the walkway substantially flush with the deck.
17. A ramp assembly according to claim 10 further comprising:
at least one hand railing;
a plurality of support legs pivotally connected to the hand railing;
a plurality of railing holes disposed in the ramp;
wherein in an assembled position, a portion of the support legs are received by the railing holes and the hand railing is substantially parallel to the walkway of the ramp; and
wherein in a collapsed position, the support legs are pivoted such to place the support legs adjacent to the hand railing for storage.
18. A ramp assembly according to claim 10 further comprising:
a handle disposed near an outboard end of the ramp; and
a plank shoe pivotally connected to the handle, the plank shoe having an inclined surface providing a smooth transition between the walkway surface of the ramp and an anchor surface on which the outboard end of the ramp rests when the ramp is in the extended position.
19. A ramp assembly for a pontoon boat having a deck supported by at least two pontoons, the ramp assembly comprising:
a pair of ramp support members having a substantially vertically-oriented portion and an upper portion, the ramp support members being attached to the pontoon boat beneath the deck of the pontoon boat and between the at least two pontoons;
a pair of guide bars attached to the substantially vertically-oriented portion of each ramp support member;
a ramp having a pair of side rails, one side rail being positioned on each side of the walkway, the side rails each having an upper rail member and a lower rail member joined by a web; and
wherein the ramp is received between the ramp support members such that the pair of guide bars is positioned between the upper rail member and the lower rail member of each side rail.
20. A ramp assembly according to claim 19, wherein the ramp support members are z-shaped extrusions.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A rear structure of an all terrain vehicle, the all terrain vehicle including:
a vehicle body;
a vehicle body frame having left and right frame members connected integrally to each other;
an engine unit including a belt transmission on one side thereof and mounted to a central lower portion of the vehicle body frame;
an inlet duct for introducing a cooling air, the inlet duct forcibly freshening an air within a belt case in which the belt transmission is accommodated so as to cool the belt transmission;
an exhaust duct for discharging an exhaust air which has cooled the belt transmission; and
an exhaust muffler device disposed at a portion outward of one side of a rear portion of the vehicle body frame, wherein
the belt transmission is arranged in a manner offset on a same side as the exhaust muffler device in a width direction,
the exhaust duct extends rearward from a rear portion of the belt transmission so as to be disposed on the same side as the belt transmission and is detachably supported by the vehicle body frame,
a fuel tank is arranged in a manner offset on a side opposite to the belt transmission and the exhaust duct with respect to a center line of the vehicle in a plan view,
the exhaust duct is arranged in a space formed between an inside surface to a bottom portion of the fuel tank in the width direction of the vehicle body and the exhaust muffler device provided so as to face the inside surface of the fuel tank, and
the exhaust duct is composed of a plurality of constituent members coupled to one another along an exhaust direction of the exhaust air flowing in the exhaust duct.
2. The rear structure of the all terrain vehicle according to claim 1, wherein the constituent members distanced from one another comprise a high rigidity material holding an own shape thereof, and the constituent members are detachably coupled to one another through a coupling member formed of an elastic material.
3. The rear structure of the all terrain vehicle according to claim 2, wherein the frame members are coupled by a plurality of cross members which are arranged in parallel to one another, the constituent members are formed in a bent shape by intersecting one another in an axial direction of the exhaust duct, and the bent portion is disposed relative to the cross members so that the exhaust duct is arranged in a meandering manner among the adjacent cross members, and the exhaust duct is detachably engaged with and positioned relative to the cross members while maintaining an own shape of the exhaust duct.
4. The rear structure of the all terrain vehicle according to claim 2, wherein the exhaust duct is arranged in a space above a rear wheel driving system arranged on the center line of the vehicle body in a plan view, and the exhaust duct is arranged to be proximate to the respective constituent members of the vehicle body frame which form the space, in which the coupling member is arranged.
5. The rear structure of the all terrain vehicle according to claim 4, wherein the exhaust muffler device and the rear wheel driving system are arranged with a distance vertically from each other, and a coupled portion of the exhaust duct extending rearward and upward from the rear portion of the belt transmission is arranged so as to face a space formed between the exhaust muffler device or the rear wheel driving system and a portion above rear wheels.
6. The rear structure of the all terrain vehicle according to claim 4, wherein a guide plate including a guide hole is formed integrally with the exhaust duct, and a breather hose extending from the rear wheel driving system is inserted into the guide hole to thereby position the breather hose.
7. The rear structure of the all terrain vehicle according to claim 2, wherein the coupling member coupling the constituent members of the exhaust duct to one another is arranged at a distance from a portion along the inside surface and the bottom portion of the fuel tank.
8. A rear structure of an all terrain vehicle, the all terrain vehicle including:
a vehicle body;
a vehicle body frame having left and right frame members connected integrally to each other;
an engine unit including a belt transmission on one side thereof and mounted to a central lower portion of the vehicle body frame;
an inlet duct for introducing a cooling air, the inlet duct forcibly freshening an air within a belt case in which the belt transmission is accommodated so as to cool the belt transmission;
an exhaust duct for discharging an exhaust air which has cooled the belt transmission; and
an exhaust muffler device disposed at a portion outward of one side of a rear portion of the vehicle body frame, wherein
the exhaust duct extends rearward from a rear portion of the belt transmission and is detachably supported by the vehicle body frame,
the exhaust duct is composed of a plurality of constituent members coupled to one another along an exhaust direction of the exhaust air flowing in the exhaust duct,
the constituent members distanced from one another are formed from a high rigidity material holding an own shape thereof,
the constituent members are detachably coupled to one another through a coupling member formed of an elastic material,
the exhaust duct is arranged in a space above a rear wheel driving system arranged on the center line of the vehicle body in a plan view, and the exhaust duct is arranged to be proximate to the respective constituent members of the vehicle body frame which form the space, in which the coupling member is arranged, and
a guide plate including a guide hole is formed integrally with the exhaust duct, and a breather hose extending from the rear wheel driving system is inserted into the guide hole to thereby position the breather hose.