IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0354259
(2003-01-28)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
Knobbe, Martens, Olson & Bear, LLP
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인용정보 |
피인용 횟수 :
9 인용 특허 :
94 |
초록
▼
A vehicle frame with a low profile is designed to be suitable for attaching directly to an incomplete, preassembled motorized chassis to construct a motorhome. The vehicle frame includes planar bulkheads and a storage area floor that are attached to the frame and to the chassis so as to create a thr
A vehicle frame with a low profile is designed to be suitable for attaching directly to an incomplete, preassembled motorized chassis to construct a motorhome. The vehicle frame includes planar bulkheads and a storage area floor that are attached to the frame and to the chassis so as to create a three-dimensional space frame that is highly resistant to bending and twisting forces as well as storage areas that extend the width of the motorhome. The motorhome with the frame mounts a heating, ventilation, and air conditioning (HVAC) system as well as heavy holding tanks within or below the plane of the vehicle frame so as to lower the center of mass of the motorhome to thereby improve vehicle handling and safety. Placement of the HVAC system within and/or below the vehicle frame obviates the need to position HVAC components on the roof of the motorhome thereby further lowering the center of mass and eliminating a source of liquid water condensation above the living space of the motorhome. The vehicle frame attached directly to the chassis further facilitates an interior ceiling height in the motorhome of at least 7' 6" while maintaining a total vehicle height not exceeding 13' 6" as well as facilitating construction of slide-out rooms with interior heights of at least 6' 1" thereby allowing adults of above average height to stand up inside the slide-out rooms.
대표청구항
▼
A vehicle frame with a low profile is designed to be suitable for attaching directly to an incomplete, preassembled motorized chassis to construct a motorhome. The vehicle frame includes planar bulkheads and a storage area floor that are attached to the frame and to the chassis so as to create a thr
A vehicle frame with a low profile is designed to be suitable for attaching directly to an incomplete, preassembled motorized chassis to construct a motorhome. The vehicle frame includes planar bulkheads and a storage area floor that are attached to the frame and to the chassis so as to create a three-dimensional space frame that is highly resistant to bending and twisting forces as well as storage areas that extend the width of the motorhome. The motorhome with the frame mounts a heating, ventilation, and air conditioning (HVAC) system as well as heavy holding tanks within or below the plane of the vehicle frame so as to lower the center of mass of the motorhome to thereby improve vehicle handling and safety. Placement of the HVAC system within and/or below the vehicle frame obviates the need to position HVAC components on the roof of the motorhome thereby further lowering the center of mass and eliminating a source of liquid water condensation above the living space of the motorhome. The vehicle frame attached directly to the chassis further facilitates an interior ceiling height in the motorhome of at least 7' 6" while maintaining a total vehicle height not exceeding 13' 6" as well as facilitating construction of slide-out rooms with interior heights of at least 6' 1" thereby allowing adults of above average height to stand up inside the slide-out rooms. ight level so as to cause the first reinforcement member to rotate upon deformation of the cross member toward the cabin, allowing application of a portion of the impact load to the accelerator portion of the floor at substantially right angles thereof, the accelerator portion being constructed and arranged as to initiate deformation of the floor upon application of a portion of the impact load to the accelerator portion of the floor to facilitate rotation of the rigid structure together with the first reinforcement member, wherein the floor has an upper layer and a lower layer disposed below the upper layer and substantially parallel to the upper layer, and a plurality of ribs connecting the upper and lower layers to define a plurality of channels, and said plurality of ribs extend in the second direction to the centerline. 2. A vehicle as claimed in claim 1, wherein the floor further includes a tunnel disposed between the first and second side sills substantially along the centerline and having a forward end contacting the cross member, the tunnel having the acceleration portion and forming a part of the rigid structure, wherein the first reinforcement member connects the cross member to the accelerator portion of the tunnel. 3. A vehicle as claimed 2, further comprising: a steering member disposed through the cross member; and a stay having an upper end connected to the steering member and a lower connected to the tunnel in the vicinity of the accelerator of the tunnel. 4. A vehicle as claimed in claim 2, wherein the tunnel has only a single layer. 5. A vehicle is claimed in claim 1, wherein the load-transmitting structure further includes a second reinforcement member that connects the cross member to the first side sill and a third reinforcement member that connects the cross member to the second side sill. 6. A vehicle as claimed in claim 1, wherein the floor further includes a tunnel disposed between the first and second side sills substantially along the centerline and having a forward end contacting the cross member, the tunnel having the accelerator portion and forming a part of the rigid structure, wherein the first reinforcement member connects the cross member to the accelerator portion of the tunnel, wherein the load-transmitting structure includes a second reinforcement member that connects the cross member to the first side sill, and wherein the load-transmitting structure includes a third reinforcement member that connects the cross member to the second side sill. 7. A vehicle as claimed in claim 6, wherein each of the first, second, and third reinforcement members rotationally connects the cross member and the respective tunnel, first side sill and second side sill, such that each of the reinforcement members rotates when receiving an impact load. 8. A vehicle as claimed in claim 7, wherein the accelerator portion of the floor further includes a rotation limiting structure to limit rotation of each of the reinforcement members. 9. A vehicle as claimed in claim 4, further comprising first and second side members having rearward ends connected to the cross member, wherein during a frontal impact to the vehicle, the impact load resulting from the frontal impact is transmitted from the first and second side members to the cross member to the load-transmitting structure and to the floor. 10. A vehicle as claimed in claim 1, wherein the first reinforcement member includes, as the third portion, a plurality of elongate members extending in parallel from the cross member to the floor. 11. A vehicle as claimed in claim 1, wherein the load-transmitting structure includes second reinforcement members, each of which members includes a plurality of ribs disposed in parallel and connecting the cross member to one of the first and second side sills. 12. A vehicle as claimed in claim 1, wherein the accelerator portion is a deformation portion to initiate a deformation of the floor. 13. A vehicle as cl
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