IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0510177
(2004-01-15)
|
등록번호 |
US-7575244
(2009-08-31)
|
우선권정보 |
CA-2416703(2003-01-20) |
국제출원번호 |
PCT/CA04/000055
(2004-01-15)
|
§371/§102 date |
20041004
(20041004)
|
국제공개번호 |
WO04/065146
(2004-08-05)
|
발명자
/ 주소 |
- Howell, Robert Alexander
- Gruber, Rudolf
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
10 인용 특허 :
8 |
초록
▼
A vehicular suspension arm, comprises an upper sheet metal stamped component with a first outer face and a first inner face, and a first central web portion with two opposites sides and first upstanding flange portions at opposites sides of the first web portion; a lower sheet metal stamped componen
A vehicular suspension arm, comprises an upper sheet metal stamped component with a first outer face and a first inner face, and a first central web portion with two opposites sides and first upstanding flange portions at opposites sides of the first web portion; a lower sheet metal stamped component with a second outer face and a second inner face, and a second central web portion with two opposite sides and second upstanding flange portions at the opposite sides of the second web portion. The first and second inner faces are adapted to contact each other along a substantial portion of the first and second web portions. The upper and lower stamped components adapted to be rigidly attached to each other to create a structural I-beam section. The thickness of each upstanding flange portion is at least equal to the combined thickness of the first and second web portions.
대표청구항
▼
The invention claimed is: 1. An element formed from sheet metal, comprising a vehicular suspension arm including: an upper sheet metal stamped component with a first outer face and a first inner face, and comprising a first central web portion with two opposite sides and first upstanding flange por
The invention claimed is: 1. An element formed from sheet metal, comprising a vehicular suspension arm including: an upper sheet metal stamped component with a first outer face and a first inner face, and comprising a first central web portion with two opposite sides and first upstanding flange portions at said opposite sides of said first web portion; a lower sheet metal stamped component with a second outer face and a second inner face, and comprising a second central web portion with two opposite sides and second upstanding flange portions at said opposite sides of said second web portion; said first and second inner faces adapted to contact each other along a substantial portion of said first and second web portions; said upper and lower stamped components adapted to be rigidly attached to each other to create a structural I-beam section, wherein the thickness of each upstanding flange portion is at least equal to the combined thickness of the first and second web portions, wherein the upper stamped component and lower stamped component are configured when placed into contact along said first and second inner faces to create a gap along a peripheral, joining edge suitable for facilitating a welded joint which combines both butt and fillet configurations to join four material surfaces of the upper and lower components, and said upper and lower components are rigidly attached to each other by means of said welded joint. 2. The element formed from sheet metal of claim 1, wherein the upper and lower stamped components are press-formed from sheet metal of uniform thickness, and each upstanding flange portion comprises a fully returned segment of said sheet metal, whereby the thickness of each upstanding flange portion is at least double the thickness of each web portion. 3. The element formed from sheet metal of claim 2, wherein the upper stamped component and lower stamped component are press-formed from sheet aluminum or sheet steel. 4. The element formed from sheet metal of claim 3, wherein the upper stamped component is configured with a first extruded opening at a predetermined point in the first web portion, and the lower stamped component is similarly configured with a second extruded opening in the second web portion, so that the first and second extruded openings align when the upper and lower stamped components are rigidly attached to each other to create a suitable structure to accept a ball joint of a spindle assembly. 5. The element formed from sheet metal of claim 3, wherein at least one discontinuity is introduced in the fully returned segments to create a suitable structure to accept vehicle body attachment details. 6. The element formed from sheet metal of claim 2, wherein the upper stamped component is configured with a first extruded opening at a predetermined point in the first web portion, and the lower stamped component is similarly configured with a second extruded opening in the second web portion, so that the first and second extruded openings align when the upper and lower stamped components are rigidly attached to each other to create a suitable structure to accept a ball joint of a spindle assembly. 7. The element formed from sheet metal of claim 2, wherein at least one discontinuity is introduced in the fully returned segments to create a suitable structure to accept vehicle body attachment details. 8. The element formed from sheet metal of claim 1, wherein the upper stamped component and lower stamped component are press-formed from sheet aluminum or sheet steel. 9. The element formed from sheet metal of claim 8, wherein the upper stamped component is configured with a first extruded opening at a predetermined point in the first web portion, and the lower stamped component is similarly configured with a second extruded opening in the second web portion, so that the first and second extruded openings align when the upper and lower stamped components are rigidly attached to each other to create a suitable structure to accept a ball joint of a spindle assembly. 10. The element formed from sheet metal of claim 1, wherein the upper stamped component is configured with a first extruded opening at a predetermined point in the first web portion, and the lower stamped component is similarly configured with a second extruded opening in the second web portion, so that the first and second extruded openings align when the upper and lower stamped components are rigidly attached to each other to create a suitable structure to accept a ball joint of a spindle assembly. 11. A suspension system, comprising at least one vehicular suspension arm including: an upper sheet metal stamped component with a first outer face and a first inner face, and comprising a first central web portion with two opposite sides and first upstanding flange portions at said opposite sides of said first web portion; a lower sheet metal stamped component with a second outer face and a second inner face, and comprising a second central web portion with two opposite sides and second upstanding flange portions at said opposite sides of said second web portion; said first and second inner faces adapted to contact each other along a substantial portion of said first and second web portions; wherein said upper and lower stamped components are rigidly attached to each other to create a structural I-beam section, wherein the thickness of each upstanding flange portion is at least equal to the combined thickness of the first and second web portions, wherein said upper and lower components are rigidly attached to each other by means of a welded joint which combines both butt and fillet configurations to join four material surfaces of the upper and lower components. 12. The suspension system of claim 11, wherein the upper stamped component is configured with a first extruded opening at a predetermined point in the first web portion, and the lower stamped component is similarly configured with a second extruded opening in the second web portion, so that the first and second extruded openings align when the upper and lower stamped components are rigidly attached to each other to create a suitable structure to accept a ball joint of a spindle assembly. 13. The suspension system of claim 11, wherein the upper and lower stamped components are press-formed from sheet metal of uniform thickness, and each upstanding flange portion comprises a fully returned segment of said sheet metal, whereby the thickness of each upstanding flange portion is at least double the thickness of each web portion. 14. The suspension system of claim 13, wherein at least one discontinuity is introduced in the fully returned segments to create a suitable structure to accept vehicle body attachment details.
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