IPC분류정보
| 국가/구분 |
United States(US) Patent
등록
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| 국제특허분류(IPC7판) |
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| 출원번호 |
US-0710568
(2015-05-12)
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| 등록번호 |
US-9545960
(2017-01-17)
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발명자
/ 주소 |
- Smith, Andrew F.
- Horrell, Charles M.
- Grossmann, Jeffrey J.
- Feldman, Jonathan R.
- Bruccoleri, Alexander R.
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| 출원인 / 주소 |
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| 대리인 / 주소 |
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| 인용정보 |
피인용 횟수 :
0 인용 특허 :
192 |
초록
▼
This invention provides an aerodynamic structure attached to the rear cargo body, having doors that swing open, or a single, full-width door, which rolls upwardly. The embodiments provide an aerodynamic structure attached to the rear in a manner that would obscure access to the door(s) in a deployed
This invention provides an aerodynamic structure attached to the rear cargo body, having doors that swing open, or a single, full-width door, which rolls upwardly. The embodiments provide an aerodynamic structure attached to the rear in a manner that would obscure access to the door(s) in a deployed position, in which the structure reduces drag, yet enables access to the door(s) in a folded position. The folded position allows access to the rear for loading and unloading, and in the case of swinging, hinged doors, allows the doors to be folded through a 270-degree arc, with a minimal sideways projection. The various embodiments also enable relatively rapid and easy transition between the folded position and the deployed position using actuators and/or linkages that tie the folding and deployment of panels of the structure together. This allows selective folding and deployment of the structure without undue effort or strength.
대표청구항
▼
1. An aerodynamic device for a rear portion of a cargo body comprising: an upper panel;a planar side panel; anda framework, wherein the upper panel and the planar side panel are each separately hingedly mounted to a door of the cargo body,wherein the framework is coupled to at least the door and a f
1. An aerodynamic device for a rear portion of a cargo body comprising: an upper panel;a planar side panel; anda framework, wherein the upper panel and the planar side panel are each separately hingedly mounted to a door of the cargo body,wherein the framework is coupled to at least the door and a first panel, wherein the first panel is one of the upper panel and the planar side panel,wherein the upper panel and the planar side panel are adapted to have a deployed orientation and a retracted orientation,wherein the planar side panel maintains planar shape in the deployed orientation and the retracted orientation,wherein in the retracted orientation, the first panel is overlaid by the other of the upper panel or the planar side panel, andwherein in the deployed orientation, the upper panel and the planar side panel taper rearwardly. 2. The aerodynamic device of claim 1, wherein the upper panel includes an angled folding hinge line to provide lock rod clearance when the upper panel is in the retracted orientation. 3. The aerodynamic device of claim 2, wherein the upper panel has an edge adjacent to a hinge that is substantially horizontal and level with a top of the cargo body when the upper panel is in the deployed orientation. 4. The aerodynamic device of claim 1, wherein the framework and the first panel rotate away from the door when transitioning from the retracted orientation to the deployed orientation. 5. The aerodynamic device of claim 4, wherein the first panel pushes the other of the upper panel or the planar side panel into the deployed position. 6. The aerodynamic device of claim 1, wherein the first panel is the upper panel. 7. The aerodynamic device of claim 6, wherein the aerodynamic device further comprises a lower panel. 8. The aerodynamic device of claim 7, wherein the planar lower panel is coupled to the framework to allow for simultaneous movement with the upper panel. 9. The aerodynamic device of claim 1, further comprising a lower panel, wherein the lower panel is coupled to the framework to allow for simultaneous movement with the first panel. 10. The aerodynamic device of claim 1, wherein the framework further comprises two or more rotating joints. 11. The aerodynamic device of claim 8, wherein the upper panel comprises two upper panel sections, and wherein the planar side panel comprises one panel section. 12. An aerodynamic structure for the rear of a cargo body comprising: a planar side panel and an upper panel separately hingedly mounted on each of a pair of doors, wherein the upper panel and the planar side panel hinge between a folded position on the door and a deployed position in which the planar side panel and the upper panel extend rearwardly and inwardly,wherein the planar side panel maintains planar shape in the deployed position and the folded position, andwherein in the folded position: a first panel of the upper panel or the planar side panel is overlaid by the other of the upper panel or the planar side panel, andthe upper panel folds along an angled folding hinge line to provide lock rod clearance. 13. The aerodynamic structure of claim 12, wherein the first panel is the upper panel. 14. The aerodynamic structure of claim 12, further comprising a framework coupled to the door and the first panel. 15. The aerodynamic device of claim 14, wherein the framework and the first panel rotate away from the door when transitioning from the folded position orientation to the deployed position, and wherein the first panel pushes the other of the upper panel or the planar side panel into the deployed position. 16. The aerodynamic device of claim 14, wherein the aerodynamic device further comprises a lower panel, and wherein the lower panel is coupled to the framework to allow for simultaneous movement with the first panel. 17. The aerodynamic device of claim 14, wherein the framework comprises at least a pair of horizontal arms, at least one vertical arm, at least one cable assembly, and two or more rotating joints. 18. An aerodynamic device for a rear portion of a cargo body comprising: an upper panel;a planar side panel; anda framework comprising at least a pair of horizontal members, at least one vertical member, and at least one cable assembly, wherein the planar side panel is coupled only to the framework and to a door of the cargo body,wherein the upper panel is coupled only to the framework and to the door of the cargo body;wherein the upper panel and the planar side panel are adapted to have a deployed orientation and a retracted orientation,wherein the planar side panel maintains planar shape in the deployed orientation and the retracted orientation,wherein in the retracted orientation, a first panel of the upper panel or the planar side panel is overlaid by the other of the upper panel or the planar side panel, andwherein in the deployed orientation, the upper panel and the planar side panel taper rearwardly. 19. The aerodynamic device of claim 18, wherein the aerodynamic device further comprises a lower panel, and wherein the lower panel is coupled to the framework to allow for simultaneous movement with the upper panel.
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