[특허]Rear-mounted retractable aerodynamic structure for cargo bodies

STEMCO LP

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Rear-mounted retractable aerodynamic structure for cargo bodies

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B62D-035/00
출원번호	US-0571195 (2014-12-15)
등록번호	US-9440688 (2016-09-13)
발명자 / 주소	Smith, Andrew F. Niemiec, Jared A. Grossmann, Jeffrey J. Cholnoky, Robert R. Polidori, Michael W. Dickinson, Barrie J.
출원인 / 주소	STEMCO LP
대리인 / 주소	Perkins Coie LLP
인용정보	피인용 횟수 : 5 인용 특허 : 160

초록
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An aerodynamic structure attached to the sides and top of a truck cargo body (either a stand-alone trailer or a “straight truck” with the cab and cargo area as a fixed vehicle) at the aftmost region, which rear typically contains a rolling door assembly, which rolls upwardly. An aerodynamic structure is permanently attached to the sides and top of the trailer in a manner that extend past the aftmost plane of the truck cargo body and retract to the aftmost plane of the truck cargo body when subjected to a force, allowing this device to be backed into structures. The retracted orientation allows for the rear of the trailer to be fully accessible for loading and unloading, and does not reduce the size of the opening of the trailer. The various embodiments of the invention allow for automated deployment once the force used to compress the structure is removed.

대표
청구항
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1. An aerodynamic structure configured to reduce rear drag of a cargo body having at least one rear-facing roll door comprising: a panel assembly configured to be moveable separately from at least one door of the cargo body between a first position and a second position on the cargo body, the panel assembly in one of the first position or the second position configured to extend rearwardly and taper inwardly beyond a trailing edge of the cargo body, wherein the panel assembly in the other of the first position or the second position is configured not to extend substantially rearwardly nor to taper inwardly so that the roll door is accessible for loading and unloading of cargo from the cargo body;at least one support frame member configured to be rotatably connected to the cargo body and connected proximately to a trailing portion of at least one panel of the panel assembly to maintain an aerodynamic shape of the panel assembly when the panel assembly is in one of the first position or the second position, wherein the at least one support frame member includes an end that is operable to move away from the cargo body; anda spring mechanism configured to be operatively connected to the at least one support frame member and the cargo body that directs the panel assembly towards the first position such that a biasing force associated with the spring mechanism can be overcome by an overcoming force to move the panel assembly to the second position. 2. The aerodynamic structure as set forth in claim 1, wherein the second position is a retracted position, wherein the panel assembly includes a top panel having a trailing edge, and wherein in the retracted position, wherein the top panel trailing edge does not extend substantially rearwards of and is substantially parallel to the trailing edge of the cargo body. 3. An aerodynamic structure configured to reduce rear drag of a cargo body having at least one rear-facing roll door comprising: an elastically deformable panel assembly including panels, the elastically deformable panel assembly configured to be moveable between a first position and a second position when operatively coupled to the cargo body, the panels in one of the first position or the second position extending rearwardly and tapering inwardly beyond a trailing edge of the cargo body, wherein the panel assembly in the other of the first position or the second position is configured not to extend substantially rearwardly nor to taper inwardly so that the roll door is accessible for loading and unloading of cargo from the cargo body;at least one support frame member configured to be connected to the cargo body and connected at or adjacent to a trailing portion of at least one panel of the panel assembly to maintain an aerodynamic shape of the panel assembly when the panel assembly is in one of the first position or the second position, wherein the at least one support frame member includes an end that is operable to move away from the cargo body; anda spring mechanism configured to direct the panel assembly towards the first position such that a biasing force associated with the spring mechanism can be overcome by an overcoming force to move the panel assembly to the second position. 4. The aerodynamic structure as set forth in claim 3, wherein the second position is a retracted position, wherein the panel assembly includes a top panel having a trailing edge, and wherein in the retracted position, wherein the top panel trailing edge does not extend substantially rearwards of the trailing edge of the cargo body. 5. The aerodynamic structure as set forth in claim 3, wherein the overcoming force is applied through a powered actuator. 6. The aerodynamic structure as set forth in claim 3, wherein the powered actuator is an actuator that is operatively connected with an actuation control or connected to a speed measurement device. 7. The aerodynamic structure of claim 1, wherein the second position is a retracted position, and wherein the first position is a deployed position. 8. The aerodynamic structure of claim 3, wherein the second position is a retracted position, and wherein the first position is a deployed position. 9. The aerodynamic structure of claim 1, wherein the panel assembly includes at least three panels when deployed. 10. The aerodynamic structure of claim 1, wherein the panel assembly is configured to come into contact with an adjacent structure and the overcoming force is applied through contact between the panel assembly and the adjacent structure. 11. The aerodynamic structure of claim 1, wherein the overcoming force is applied through a powered actuator. 12. The aerodynamic structure as set forth in claim 11, wherein the powered actuator is an actuator that is operatively connected with an actuation control. 13. The aerodynamic structure as set forth in claim 11, wherein the powered actuator is an actuator that is connected to a speed measurement device that measures the speed of the cargo body, wherein the powered actuator supplies the overcoming force based on a reading from the speed measurement device. 14. The aerodynamic structure as set forth in claim 1, further comprising attachment members between adjacent panels of the panel assembly in order to control movement between the first position and the second position. 15. The aerodynamic structure as set forth in claim 1 wherein a material of at least one panel of the panel assembly is selected from the group consisting of: (a) flexible plastic, (b) rigid plastic, (c) rigid metal, and (d) fabric. 16. The aerodynamic structure as set forth in claim 1, wherein the spring mechanism is a gas spring mechanism. 17. The aerodynamic structure of claim 3, wherein the elastically deformable panel assembly includes at least three panels when deployed. 18. The aerodynamic structure of claim 3, wherein the elastically deformable panel assembly is configured to come into contact with an adjacent structure and the overcoming force is applied through contact between the elastically deformable panel assembly and the adjacent structure. 19. The aerodynamic structure as set forth in claim 3, further comprising attachment members between adjacent panels of the elastically deformable panel assembly in order to control movement between the first position and the second position. 20. The aerodynamic structure as set forth in claim 3, wherein the spring mechanism is a gas spring mechanism. 21. The aerodynamic structure as set forth in claim 5, wherein the powered actuator is an actuator that is connected to a speed measurement device that measures the speed of the cargo body, wherein the powered actuator supplies the overcoming force based on a reading from the speed measurement device.

이 특허에 인용된 특허 (160)

이 특허를 인용한 특허 피인용횟수: 5

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특허 상세정보

Rear-mounted retractable aerodynamic structure for cargo bodies

초록
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대표
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이 특허에 인용된 특허 (160)

이 특허를 인용한 특허 피인용횟수: 5

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특허 상세정보

Rear-mounted retractable aerodynamic structure for cargo bodies

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이 특허에 인용된 특허 (160)

이 특허를 인용한 특허 피인용횟수: 5

IPC 상위 출원인

과제정보

상세정보조회

원문조회

IPC 상세정보(version : 201201)

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