IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0779632
(2004-02-18)
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등록번호 |
US-7712261
(2010-06-03)
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발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
7 인용 특허 :
31 |
초록
▼
A collapsible structure with a self-locking mechanism includes a first hub, at least two struts pivotable connected at a first ends thereof to the first hub and movable relative to each another between a folded position and an expanded position, and a tension member adapted to limit pivotable moveme
A collapsible structure with a self-locking mechanism includes a first hub, at least two struts pivotable connected at a first ends thereof to the first hub and movable relative to each another between a folded position and an expanded position, and a tension member adapted to limit pivotable movement of at least two struts such that, when in the expanded position, the at least two struts define an angle of less than 180°. The structure further includes a locking hub and at least two locking struts pivotably connected at first ends thereof to the locking hub and, at seconds ends thereof, to connection points on respective ones of the at least two struts. A method of erecting a structure is also disclosed.
대표청구항
▼
What is claimed is: 1. A collapsible structure with a self-locking mechanism, comprising: a first hub; at least two struts pivotably connected at first ends thereof to the first hub and movable relative to each another between a folded position and an expanded position; a tension member adapted to
What is claimed is: 1. A collapsible structure with a self-locking mechanism, comprising: a first hub; at least two struts pivotably connected at first ends thereof to the first hub and movable relative to each another between a folded position and an expanded position; a tension member adapted to limit pivotable movement of the at least two struts such that, when in the expanded position, the at least two struts define an angle of less than 180°; a locking hub having no rigid connection to the first hub; at least two locking struts pivotably connected at first distal ends thereof to the locking hub and, at second distal ends thereof, to connection points on respective ones of the at least two struts; and second struts pivotably connected at first ends thereof to respective ones of the at least two struts, wherein the tension member includes a cover attached to the collapsible structure at second ends of the second struts. 2. The collapsible structure as set forth in claim 1, wherein the tension member comprises a base attached to the collapsible structure. 3. A collapsible structure with a self-locking mechanism, comprising: a first hub; at least two struts pivotably connected at first ends thereof to the first hub and movable relative to each another between a folded position and an expanded position; a tension member adapted to limit pivotable movement of the at least two struts such that, when in the expanded position, the at least two struts define an angle of less than 180°; a locking hub having no rigid connection to the first hub; and at least two locking struts pivotably connected at first distal ends thereof to the locking hub and, at second distal ends thereof, to connection points on respective ones of the at least two struts, wherein the tension member includes a surface upon which bottom ends of the at least two struts of the collapsible structure are disposed when the collapsible structure is erected. 4. A collapsible structure with a self-locking mechanism, comprising: a first hub; at least two struts pivotably connected at first ends thereof to the first hub and movable relative to each another between a folded position and an expanded position; a tension member adapted to limit pivotable movement of the at least two struts such that, when in the expanded position, the at least two struts define an angle of less than 180°; a locking hub having no rigid connection to the first hub; and at least two locking struts pivotably connected at first distal ends thereof to the locking hub and, at second distal ends thereof, to connection points on respective ones of the at least two struts, wherein the locking struts are each adapted to pivot through an angle greater than 90° relative to the locking hub when the locking struts are moved between a folded position and a locked position. 5. The collapsible structure as set forth in claim 4, wherein the tension member includes a wire. 6. The collapsible structure as set forth in claim 4, wherein the wire is attached to the at least two struts. 7. The collapsible structure as set forth in claim 4, wherein a distance between a connection point of the connection points and the first hub for any one the at least two struts is greater than a length of a respective one of the at least two locking struts. 8. The collapsible structure as set forth in claim 7, wherein the distance between the connection point and the first hub for the one of the at least two struts multiplied by a cosine of an angle defined by a plane in which the connection points of all of the at least two struts lie and the one of the at least two struts is less than the length of the respective one of the at least two locking struts. 9. The collapsible structure as set forth in claim 4, wherein a distance between a connection point of the connection points and the first hub for any one of the at least two struts multiplied by a cosine of an angle defined by a plane in which the connection points of all of the at least two struts lie and the one of the at least two struts is less than the length of the respective one of the at least two locking struts. 10. The collapsible structure as set forth in claim 4, wherein the at least two struts comprises at least three struts. 11. The collapsible structure as set forth in claim 4, wherein the at least two struts comprises at least four struts. 12. A collapsible structure with a self-locking mechanism, comprising: a first hub; at least two struts pivotably connected at first ends thereof to the first hub and movable relative to each another between a folded position and an expanded position; a tension member adapted to limit pivotable movement of the at least two struts such that, when in the expanded position, the at least two struts define an angle of less than 180°; a locking hub having no rigid connection to the first hub; at least two locking struts pivotably connected at first distal ends thereof to the locking hub and, at second distal ends thereof, to connection points on respective ones of the at least two struts, at least two second struts pivotably connected at first ends thereof to respective ones of the at least two struts, at least two second hubs, second ends of the at least two second struts being pivotably connected to respective ones of the at least two second hubs, at least two third struts, first ends of the at least two third struts being pivotably connected to respective ones of the at least two second hubs, at least two third hubs, second ends of the at least two first struts being pivotably connected to respective ones of the at least two third hubs, at least two fourth struts, first ends of the at least two fourth struts being pivotably connected to respective ones of the at least two third hubs and being pivotably connected to respective ones of the at least two third struts. 13. The collapsible structure as set forth in claim 12, wherein the at least two first struts and the at least two fourth struts are each adapted to pivot through an angle greater than 90° when the at least two first struts and the at least two fourth struts pivot relative to respective ones of the at least two third hubs between a folded position and a locked position. 14. The collapsible structure as set forth in claim 12, wherein the at least two second struts are pivotably connected to respective ones of the at least two struts at the connection points on respective ones of the at least two struts. 15. The collapsible structure as set forth in claim 12, wherein the at least two second struts are pivotably connected to respective ones of the at least two struts at points between the connection points and the second ends of respective ones of the at least two struts. 16. The collapsible structure as set forth in claim 12, comprising four struts, including the at least two struts, pivotably connected at first ends thereof to the first hub and spaced relative to one another about the first hub at 90° and movable relative to each another between a folded position and an expanded position; the tension member being adapted to limit pivotable movement of the four struts such that, when in the expanded position, the four struts define an angle of less than 180°; four locking struts, including the at least two locking struts, pivotably connected at first ends thereof to the locking hub and, at seconds ends thereof, to connection points on respective ones of the four struts; four second struts, including the at least two second struts, pivotably connected at first ends thereof to respective ones of the four struts, four second hubs, including the at least two second hubs, second ends of the four second struts being pivotably connected to respective ones of the four second hubs, four third hubs, including the at least two third hubs, second ends of the four struts being pivotably connected to respective ones of the four third hubs. 17. The collapsible structure as set forth in claim 12, comprising at least two fourth hubs, second ends of the at least two fourth struts being pivotably connected to respective ones of the at least two fourth hubs, at least two fifth struts, first ends of the at least two fifth struts being pivotably connected to respective ones of the at least two fourth hubs, at least two fifth hubs, second ends of the at least two third struts being pivotably connected to respective ones of the at least two fifth hubs, at least two sixth struts, first ends of the at least two sixth struts being pivotably connected to respective ones of the at least two fifth hubs, the at least two sixth struts being pivotably connected to respective ones of the at least two fifth struts. 18. The collapsible structure as set forth in claim 17, wherein the at least two third struts and the at least two sixth struts are each adapted to pivot through an angle greater than 90° when the at least two third struts and the at least two sixth struts pivot relative to respective ones of the at least two fifth hubs between a folded position and a locked position. 19. The collapsible structure as set forth in claim 18, further comprising a stop for preventing the locking hub from moving beyond a locking position in the expanded position. 20. A collapsible structure with a self-locking mechanism, comprising: a first hub; at least two struts pivotably connected at first ends thereof to the first hub and movable relative to each another between a folded position and an expanded position; a tension member adapted to limit pivotable movement of the at least two struts such that, when in the expanded position, the at least two struts define an angle of less than 180°; a locking hub; and at least two locking struts pivotably connected at first ends thereof to the locking hub and, at seconds ends thereof, to connection points on respective ones of the at least two struts; at least two second struts pivotably connected at first ends thereof to respective ones of the at least two struts, at least two second hubs, second ends of the at least two second struts being pivotably connected to respective ones of the at least two second hubs, at least two third struts, first ends of the at least two third struts being pivotably connected to respective ones of the at least two second hubs, at least two third hubs, second ends of the at least two first struts being pivotably connected to respective ones of the at least two third hubs, at least two fourth struts, first ends of the at least two fourth struts being pivotably connected to respective ones of the at least two third hubs and being pivotably connected to respective ones of the at least two third struts; four struts, including the at least two struts, pivotably connected at first ends thereof to the first hub and spaced relative to one another about the first hub at 90° and movable relative to each another between a folded position and an expanded position; the tension member being adapted to limit pivotable movement of the four struts such that, when in the expanded position, the four struts define an angle of less than 180°; four locking struts, including the at least two locking struts, pivotably connected at first ends thereof to the locking hub and, at seconds ends thereof, to connection points on respective ones of the four struts; four second struts, including the at least two second struts, pivotably connected at first ends thereof to respective ones of the four struts, four second hubs, including the at least two second hubs, second ends of the four second struts being pivotably connected to respective ones of the four second hubs, four third hubs, including the at least two third hubs, second ends of the four struts being pivotably connected to respective ones of the four third hubs; four extension hubs, eight extension struts, four pairs of the eight extension struts being pivotably connected at first ends thereof to respective ones of the four second hubs at right angles to the second struts and being pivotably connected at second ends thereof to respective ones of the four extension hubs, and eight extension arms, four pairs of the eight extension arms being pivotably connected at first ends thereof to respective ones of the four third hubs at right angles to the first struts and each of the eight extension arms being pivotably connected at second ends thereof to respective ones of the eight extension struts. 21. The collapsible structure as set forth in claim 20, comprising four fourth hubs, including the at least two fourth hubs, second ends of the four fourth struts being pivotably connected to respective ones of the four fourth hubs, four fifth struts, first ends of the four fifth struts being pivotably connected to respective ones of the four fourth hubs, four fifth hubs, second ends of the four third struts being pivotably connected to respective ones of the four fifth hubs, four sixth struts, first ends of the four sixth struts being pivotably connected to respective ones of the four fifth hubs, the four sixth struts being pivotably connected to respective ones of the four fifth struts. 22. The collapsible structure as set forth in claim 21, wherein the four third struts and the four sixth struts are each adapted to pivot through an angle greater than 90° when the four third struts and the four sixth struts pivot relative to respective ones of the four fifth hubs between a folded position and a locked position.
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