IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0713822
(2010-02-26)
|
등록번호 |
US-8465047
(2013-06-18)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
8 인용 특허 :
58 |
초록
The present invention is directed to differing embodiments of safety trailers, which have first and second platforms and a safety wall positioned therebetween. The platforms and safety wall define an area protected from vehicular incursions.
대표청구항
▼
1. A system, comprising: (a) first and second platforms comprising at least one set of wheels; and(b) a safety wall positionable between the first and second platforms to define an area protected from a vehicular incursion, the safety wall comprises first and second segments, the segments having fir
1. A system, comprising: (a) first and second platforms comprising at least one set of wheels; and(b) a safety wall positionable between the first and second platforms to define an area protected from a vehicular incursion, the safety wall comprises first and second segments, the segments having first and second sets of holes, respectively, oriented transversely to an exteriorly facing surface of the safety wall, the holes, when aligned, receive dowels to lock the first and second segments in position relative to one another, wherein at least one of the following is true:(B1) the safety wall rotates, by first and second arms, to either side of the first and second platforms, wherein the safety wall has a height of at least about 4 feet from bottom edge to top edge;(B2) the safety wall has a height that is substantially the same as a width of at least one of the first and second platforms, wherein the width ranges from about 6 to about 12 feet;(B3) a weight of the safety wall is at least partially offset by a ballast that is movable, along a fixed path, from one side of the first and/or second platform to the other side;(B4) the safety wall rotates upwardly from a substantially horizontal position to a substantially vertical position;(B5) the safety wall rotates downwardly from a substantially horizontal position to a substantially vertical position, wherein an axis of rotation of the safety wall is horizontally offset from a longitudinal axis of the first and second platforms;(B6) the safety wall rotates counter-clockwise from a substantially horizontal position to a substantially vertical position;(B7) the safety wall moves from a first side of the first and second platforms to an opposing second side, wherein a first surface of the safety wall faces outwardly when the safety wall is positioned on the first side and a different second surface of the safety wall faces outwardly when the safety wall is positioned on the second side;(B8) one of the segments being rotatable with respect to another of the segments;(B10) the safety wall moves vertically from a first undeployed position to a second deployed position, the vertical movement being directed by a guide mechanism engaging the safety wall and an adjacent one of the first and second platform;(B11) an inclination of the safety wall, relative to vertical, is adjusted about a substantially stationary point on the safety wall;(B12) the safety wall is displaced linearly from a first side of the first and second platforms to a second side of the first and second platforms;(B13) the segments being slidably, but not telescopically, engaged with one another;(B14) the safety wall slidably engages at least one of the first and second platforms; and(B16) at least one of the first and second platforms and the safety wall comprise a guide mechanism that directs the safety wall into a desired position. 2. The system of claim 1, wherein (B1) is true. 3. The system of claim 1, wherein (B2) is true. 4. The system of claim 1, wherein (B3) is true. 5. The system of claim 1, wherein (B4) is true. 6. The system of claim 1, wherein (B5) is true. 7. The system of claim 1, wherein (B6) is true. 8. The system of claim 1, wherein (B7) is true. 9. The system of claim 1, wherein (B8) is true. 10. The system of claim 1, wherein (B10) is true. 11. The system of claim 10, wherein the guide mechanism comprises a slot in at least one of a platform and safety wall receiving a protruding member on the other of the at least one of a platform and safety wall. 12. The system of claim 1, wherein (B11) is true. 13. The system of claim 1, wherein (B12) is true. 14. The system of claim 1, wherein (B13) is true. 15. The system of claim 1, wherein (B14) is true. 16. The system of claim 1, wherein (B16) is true. 17. A method, comprising: (a) providing first and second platforms, comprising at least one set of wheels, and a safety wall positionable between the first and second platforms to define an area protected from a vehicular incursion, positioning the safety wall on the first and second platforms, the safety wall comprising first and second segments, the segments having first and second sets of holes, respectively, oriented transversely to an exteriorly facing surface of the safety wall, the holes, when aligned, receive dowels to lock the first and second segments in position relative to one another, and(b) performing at least one of the following steps:(B1) rotating the safety wall, by first and second arms, to either side of the first and second platforms, wherein the safety wall has a height of at least about 4 feet from bottom edge to top edge;(B2) positioning the safety wall on a side of the first and second platforms, the safety wall having a height that is substantially the same as a width of at least one of the first and second platforms, wherein the width ranges from about 6 to about 12 feet;(B3) moving a ballast, along a fixed path from one side of the first and/or second platform to the other side to at least partially offset a weight of the safety wall;(B4) rotating the safety wall upwardly from a substantially horizontal position to a substantially vertical position;(B5) rotating the safety wall downwardly from a substantially horizontal position to a substantially vertical position, wherein an axis of rotation of the safety wall is horizontally offset from a longitudinal axis of the first and second platforms;(B6) rotating the safety wall counter-clockwise from a substantially horizontal position to a substantially vertical position;(B7) moving the safety wall from a first side of the first and second platforms to an opposing second side, wherein a first surface of the safety wall faces outwardly when the safety wall is positioned on the first side and a different second surface of the safety wall faces outwardly when the safety wall is positioned on the second side;(B8) positioning the safety wall on a side of the first and second platforms, one of the segments being rotatable with respect to another of the segments;(B10) moving the safety wall vertically from a first undeployed position to a second deployed position, the vertical movement being directed by a guide mechanism engaging the safety wall and an adjacent one of the first and second platform;(B11) adjusting an inclination of the safety wall, relative to vertical, about a substantially stationary point on the safety wall;(B12) displacing the safety wall linearly from a first side of the first and second platforms to a second side of the first and second platforms;(B13) positioning the safety wall on a side of the first and second platforms, the segments being slidably, but not telescopically, engaged with one another;(B14) positioning the safety wall on a side of the first and second platforms, the safety wall slidably engaging at least one of the first and second platforms; and(B16) positioning the safety wall on a side of the first and second platforms, at least one of the first and second platforms and the safety wall comprising a guide mechanism to direct the safety wall into a desired position.
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