IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0995521
(2004-11-24)
|
등록번호 |
US-7401367
(2008-07-22)
|
발명자
/ 주소 |
- Gehr,Arthur L.
- Longenecker,Michael L.
- Pike,Robert T.
- Sellers,Gregory S.
- Clapper,Joshua E.
|
출원인 / 주소 |
- Graco Children's Products Inc.
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
4 인용 특허 :
13 |
초록
▼
A collapsible frame structure, movable between an open arrangement and a folded arrangement, includes a plurality of legs, a plurality of cross members arranged in pairs, a plurality of slider joints and pivot joints, and at least one latch mechanism. Each pair of cross members is located between re
A collapsible frame structure, movable between an open arrangement and a folded arrangement, includes a plurality of legs, a plurality of cross members arranged in pairs, a plurality of slider joints and pivot joints, and at least one latch mechanism. Each pair of cross members is located between respective adjacent legs to form sides of the collapsible frame structure that define an interior of the collapsible frame structure. Each slider joint slidingly engages a respective one of the legs and pivotably attaches to two adjacent cross members. Each pivot joint is at a respective one of the legs to pivotably attach two adjacent cross members. The latch mechanism, which is mounted to another frame component of the collapsible frame structure, remains so mounted in both the open arrangement and the folded arrangement. Nonadjacent legs and nonadjacent sides of the collapsible frame structure remain unconnected across an interior of the collapsible frame structure.
대표청구항
▼
What is claimed is: 1. A collapsible frame structure movable between an open arrangement and a folded arrangement, comprising: a plurality of legs; a plurality of pivot joints, each pivot joint connected to one of the plurality of legs, respectively; a plurality of slider joints, each slider joint
What is claimed is: 1. A collapsible frame structure movable between an open arrangement and a folded arrangement, comprising: a plurality of legs; a plurality of pivot joints, each pivot joint connected to one of the plurality of legs, respectively; a plurality of slider joints, each slider joint slidingly engaging one of the plurality of legs, respectively; a plurality of cross members arranged in pairs, at least one of the pairs extending between adjacent legs such that one of the slider joints connects at least one cross member of one of the pairs to one of the adjacent legs and one of the pivot joints connects at least one cross member of one of the pairs to the other of the adjacent legs; at least one latch mechanism operable in a latched condition to maintain a predetermined gap along one of the legs between one of the slider joints and one of the pivot joints to prevent movement of the collapsible frame structure toward the folded arrangement, the gap having a height greater than that of the corresponding slider joint; and a plurality of top rail segments extending between the legs so as to define an upper periphery of the collapsible frame structure, the plurality of top rail segments comprising a pair of top rail segments connected between adjacent legs, the pair of top rail segments connected to each other via a fold mechanism that prevents the collapsible frame structure from moving from the open arrangement to the folded arrangement. 2. The collapsible frame structure as recited in claim 1, wherein the at least one cross member connected to the slider joint and the at least one cross member connected to the pivot joint comprise the same cross member. 3. The collapsible frame structure as recited in claim 1, wherein the at least one cross member connected to the slider joint and the at least one cross member connected to the pivot joint comprise different cross members. 4. The collapsible frame structure as recited in claim 1, wherein the cross member that is connected to the slider joint is connected to the slider joint via another cross member. 5. The collapsible frame structure as recited in claim 1, wherein the cross member that is connected to the pivot joint is connected to the pivot joint via another cross member. 6. The collapsible frame structure as recited in claim 1, wherein the at least one latch mechanism maintains a predetermined distance between the slider joint and the pivot joint of the one of the plurality of legs. 7. The collapsible frame structure as recited in claim 1, wherein at least one of the pair of cross members comprises cross members that pivotably intersect at a pivot, and wherein the at least one latch mechanism prevents movement of the intersecting cross members about the pivot. 8. The collapsible frame structure as recited in claim 1, wherein the at least one latch mechanism maintains a predetermined distance between at least two pivot joints. 9. The collapsible frame structure as recited in claim 1, wherein the at least one latch mechanism prevents at least a select one of the cross members from pivoting about the pivot joint. 10. The collapsible frame structure as recited in claim 1, wherein the at least one latch mechanism maintains a predetermined angle between a select one of the cross members and the one of the plurality of legs attached to the select one of the cross members by the slider joint. 11. The collapsible frame structure as recited in claim 1, wherein the cross members of at least one of the pair of cross members pivotably intersect at a pivot, and wherein the at least one latch mechanism is operatively connected between the intersecting cross members. 12. The collapsible frame structure as recited in claim 1, wherein the at least one latch mechanism is mounted to at least one of the legs. 13. The collapsible frame structure as recited in claim 1, wherein the at least one latch member is mounted to the top rails. 14. The collapsible frame structure as recited in claim 1, wherein a pair of top rail segments extends between each adjacent pair of legs, and each pair of top rail segments is connected by a fold mechanism that latches to prevent movement of the collapsible frame structure from the open arrangement to the folded arrangement. 15. The collapsible frame structure as recited in claim 1, wherein the fold mechanism comprises a latch mechanism that latches to prevent movement of the collapsible frame structure from the open arrangement to the folded arrangement.
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