IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0992899
(2016-01-11)
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등록번호 |
US-9358445
(2016-06-07)
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발명자
/ 주소 |
- Nolan, Patrick
- Dotsey, Mike
- Dingler, Noah
- Schroeder, Brady
|
출원인 / 주소 |
|
대리인 / 주소 |
Gardner Groff Greenwald & Villanueva, PC
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인용정보 |
피인용 횟수 :
0 인용 특허 :
3 |
초록
▼
A collapsible wagon includes a base and one or more upstanding walls forming a container for cargo. At least one of the upstanding walls is pivotally mounted to the base for pivoting between an unfolded position for use and a folded position for storage and transport. In some embodiments, the wagon
A collapsible wagon includes a base and one or more upstanding walls forming a container for cargo. At least one of the upstanding walls is pivotally mounted to the base for pivoting between an unfolded position for use and a folded position for storage and transport. In some embodiments, the wagon includes a pinchless internal mechanical stop that eliminates pinch points where a user's fingers can be pinched during folding and unfolding of the walls. In some embodiments, the wagon includes a gang-operated latch system for releasably securing one of the walls to another one of the walls that is quick, easy, and reliable to use for folding and unfolding. And in some embodiments, the wagon includes a latch system that eliminates slack or play when in the unfolded use position for structural integrity.
대표청구항
▼
1. A wagon for cargo, comprising: a base;at least one first wall that extends generally upright from the base in a use position to help hold the cargo, wherein the wall is movably mounted to the base and moves relative to the base between the upright use position and a storage position collapsed int
1. A wagon for cargo, comprising: a base;at least one first wall that extends generally upright from the base in a use position to help hold the cargo, wherein the wall is movably mounted to the base and moves relative to the base between the upright use position and a storage position collapsed into a compact arrangement; anda latch system including first and second latches and an actuator operably coupled to the first and second latches, each of the first and second latches including a first latch member and a respective second latch member that releasably secure to each other, wherein the first latch members are movable between a locked position and an unlocked position, each first latch member in the locked position is secured to the respective second latch member so that the movable wall is secured in the upright use position, and each first latch member in the unlocked position is released from the respective second latch member so that the movable wall is free to move to the collapsed storage position, wherein the first latch members are positioned at opposite ends of the movable wall, the actuator is positioned on the movable wall, and the second latch members are positioned on the wagon on at least one element of the wagon other than the movable wall and positioned to engage with the respective first latch members in the locked position when the movable wall is in the upright use position, wherein the first latch members are spring-biased toward the locked position, and wherein operation of the actuator moves the first latch members from the locked position to the unlocked position so that both the first and second latches are unlocked simultaneously by operation of the actuator to release the movable wall for movement from the upright use position to the collapsed storage position. 2. The wagon of claim 1, wherein the second latch members are fixed in place. 3. The wagon of claim 1, wherein the first movable latch members are plungers and the second latch members are receivers. 4. The wagon of claim 3, wherein in the locked position the plungers are received in the respective receivers to prevent the movable wall from moving past the upright use position. 5. The wagon of claim 3, wherein the plungers are linearly reciprocating fingers and the receivers are recesses. 6. The wagon of claim 5, wherein in the locked position the plungers are extended into the respective receivers to secure the movable wall in the upright use position and in the unlocked position the plungers are retracted from the respective receivers to release the movable wall to move out of the upright use position. 7. The wagon of claim 1, further comprising first and second connections extending between the actuator and the first movable latch members of the first and second latches, wherein the actuator is operably coupled to the first and second latches by the first and second connections. 8. The wagon of claim 1, wherein the actuator is positioned on the movable wall between the first latch members at the opposite ends of the movable wall. 9. The wagon of claim 1, wherein the actuator includes a movable body to which both the first latch members are operably coupled and a housing to which the actuator movable body is movably mounted. 10. The wagon of claim 1, wherein the movable wall is pivotally mounted to the base for pivotal movement between the upright use position and the collapsed storage position. 11. The wagon of claim 1, further comprising second and third walls that extend upward from the base and that are arranged at and extending transversely from the opposite ends of the movable wall, wherein the second latch members are positioned on respective ones of the second and third walls adjacent the opposite ends of the first wall. 12. The wagon of claim 11, further comprising a minimized-play feature including at least one ramped surface on one of the first and second walls, an interference between the first and second walls, and a resilient deflection feature of the second wall, wherein when the first movable wall is moved from the collapsed storage position toward the upright use position, the first and second walls interfere with each other, the ramped surface of the first or second wall slidingly engages the other one of the first and second walls to generate a lateral displacement force, the second wall is resiliently displaced generally laterally by the lateral displacement force as permitted by the resilient deflection feature to provide clearance for the first wall to move into the upright use position, and the resilient displacement of the second wall generates a compression force on the first wall in the upright use position so that the first and second walls are held together tightly under pressure to prevent wiggling relative to each other. 13. The wagon of claim 11, wherein the plungers and the respective receivers are positioned at upper portions of the respective first and second walls. 14. The wagon of claim 1, wherein the movable first wall includes a first retainer that engages a second retainer on at least one element of the wagon other than the movable wall when the movable wall is in the upright use position to prevent the movable wall from lateral displacement past the upright use position. 15. The wagon of claim 1, further comprising a stop member that the movable first wall abuts against in the upright use position and that prevents the movable wall from moving past the upright use position. 16. A collapsible consumer-use wagon for cargo, comprising: a base with a plurality of wheels mounted thereto;at least three peripheral walls that extend generally upright from the base in a use position to help hold the cargo, that are pivotally mounted to the base to pivot relative to the base between the upright use position and a folded position for storage, and that cooperate in the upright use position to form a container for holding the cargo;a latch system adapted to releasably secure a first one of the pivotal walls to adjacent second and third ones of the pivotal walls when the first, second, and third walls are in the upright use position with the first wall extending between the second and third walls, wherein the latch system includes first and second latches and an actuator operably coupled to the first and second latches, each of the first and second latches including a plunger and a respective receiver that releasably secure to each other, wherein the plungers are movable between a locked position and an unlocked position, each plunger in the locked position is secured to the respective receiver so that the first wall is secured in the upright use position, and each plunger in the unlocked position is released from the respective receiver so that the first wall is free to pivot to the collapsed storage position, wherein the plungers are positioned at opposite ends of the first wall, the actuator is positioned on the first wall between the plungers at the opposite ends of the first wall, and the receivers are positioned on respective ones of the second and third walls adjacent the opposite ends of the first wall to engage with the respective plungers in the locked position when the first wall is in the upright use position, wherein the plungers are spring-biased toward the locked position, and wherein operation of the actuator moves the plungers from the locked position to the unlocked position so that both the first and second latches are unlocked simultaneously by operation of the actuator to release the first wall for pivoting from the upright use position to the collapsed storage position. 17. The wagon of claim 16, wherein the plungers and the respective receivers are positioned at upper portions of the respective first and second walls. 18. The wagon of claim 16, further comprising: a fourth peripheral wall that extends generally upright from the base in a use position to help hold the cargo, that is pivotally mounted to the base to pivot relative to the base between the upright use position and a folded position for storage, and that is opposite from the first wall and transverse to the second and third walls; anda second one of the latch systems adapted to releasably secure the fourth pivotal wall to the second and third pivotal walls when the second, third, and fourth walls are in the upright use position with the fourth wall extending between the second and third walls, wherein the second latch system includes third and fourth latches and a second actuator operably coupled to the third and fourth latches, and wherein the second latch system releasably secures opposite ends of the fourth wall to the second and third walls at ends thereof that are opposite from second and third wall ends where the first and second latches are positioned. 19. The wagon of claim 16, wherein the plungers are linearly reciprocating fingers and the receivers are recesses, wherein in the locked position the plungers are extended into the respective receivers to secure the first wall in the upright use position and in the unlocked position the plungers are retracted from the respective receivers to release the first wall to pivot out of the upright use position. 20. The wagon of claim 16, further comprising a stop member that the first wall abuts against in the upright use position and that prevents the first wall from pivoting past the upright use position.
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