Latch device for coupling a carrier to a stroller frame
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B62B-007/08
B62B-007/00
출원번호
US-0085334
(2011-04-12)
등록번호
US-8651502
(2014-02-18)
우선권정보
CN-2010 1 0573531 (2010-11-30)
발명자
/ 주소
Winterhalter, Andrew
Wood, Steve
출원인 / 주소
Nuna International B.V.
대리인 / 주소
Christensen O'Connor Johnson Kindness PLLC
인용정보
피인용 횟수 :
11인용 특허 :
38
초록▼
A latch device is adapted for coupling a detachably a carrier to a stroller frame, and includes a latch tongue, a latch housing, and a locking member. The latch tongue is mounted on the stroller frame, and has a cam surface and an abutment surface. The latch housing is connected to the latch tongue
A latch device is adapted for coupling a detachably a carrier to a stroller frame, and includes a latch tongue, a latch housing, and a locking member. The latch tongue is mounted on the stroller frame, and has a cam surface and an abutment surface. The latch housing is connected to the latch tongue and is coupled detachably to the carrier. The locking member is connected to the latch housing and includes a latch arm. The locking member is movable relative to the latch housing between a locked position, where the latch tongue is locked to the locking member, and an unlocked position, where the latch tongue is unlocked from the locking member and a slide block of the latch arm abuts against the abutment surface so as to maintain the locking member at the unlocked position. The slide block slides along the cam surface when the locking member is moved toward the unlocked position.
대표청구항▼
1. A latch device adapted for coupling detachably a carrier to a stroller frame, said latch device comprising: a latch tongue adapted to be mounted on the stroller frame, and having a cam surface and an abutment surface that is adjacent to said cam surface;a latch housing coupled detachably to said
1. A latch device adapted for coupling detachably a carrier to a stroller frame, said latch device comprising: a latch tongue adapted to be mounted on the stroller frame, and having a cam surface and an abutment surface that is adjacent to said cam surface;a latch housing coupled detachably to said latch tongue and adapted to be connected to the carrier; anda locking member including a latch arm, and movable relative to said latch housing between a locked position, where said latch tongue is locked to said locking member, and an unlocked position, where said latch tongue is unlocked from said locking member and said latch arm abuts against said abutment surface of said latch tongue so as to maintain said locking member at the unlocked position;wherein said latch arm deforms resiliently to slide along said cam surface of said latch tongue when said locking member is moved from the locked position toward the unlocked position. 2. The latch device as claimed in claim 1, wherein: said cam surface has a first end connected to said abutment surface, and a second end opposite to said first end;said latch arm has a slide block adjacent to said second end of said cam surface of said latch tongue; andthe resilient deformation of said latch arm permits said slide block to slide along said cam surface during the movement of said locking member from the locked position toward the unlocked position, said latch arm restoring when said slide block departs from said cam surface and said locking member arrives at the unlocked position. 3. The latch device as claimed in claim 1, wherein said locking member is connected pivotally to said latch housing. 4. The latch device as claimed in claim 3, wherein said locking member further includes a first engaging member that engages said latch tongue when said locking member is at the locked position. 5. The latch device as claimed in claim 4, further comprising a resilient member for biasing resiliently said locking member toward the locked position. 6. The latch device as claimed in claim 4, wherein said first engaging member of said locking member is disposed below said latch arm. 7. The latch device as claimed in claim 4, wherein said latch tongue further has a second engaging member engaging said first engaging member of said locking member when said locking member is at the locked position, and being disengaged from said first engaging member when said locking member is at the unlocked position. 8. The latch device as claimed in claim 7, wherein said latch housing includes: a connecting wall adapted to be connected to the carrier; anda surrounding wall connected to said connecting wall, covering said latch tongue, and formed with a slot that is registered with said second engaging member, said first engaging member of said locking member extending through said slot and engaging said second engaging member of said latch tongue when said locking member is at the locked position. 9. The latch device as claimed in claim 7, wherein: said first engaging member of said locking member is configured as a claw; andsaid second engaging member of said latch tongue is configured as a recess. 10. The latch device as claimed in claim 1, wherein: said latch tongue has a top end provided with a projection;said cam surface is inclined and is formed on an end of said projection; andsaid abutment surface is formed on said projection and confronts said locking member. 11. The latch device as claimed in claim 5, wherein: said locking member includes a base plate and a pair of parallel side plates that are connected respectively to opposite sides of said base plate, said latch arm extending from one of said side plates; andsaid latch device further comprising a pivot pin that is connected between said side plates for connecting pivotally said locking member to said latch housing, and that is mounted with said resilient member. 12. The latch device as claimed in claim 11, wherein: said pivot pin is disposed above said latch arm; andsaid latch arm has a length shorter than a distance between said pivot pin and said first engaging member. 13. A stroller comprising: a stroller frame including a pair of lateral frame rods and a coupling member that is mounted on one of said lateral frame rods;a carrier coupled detachably to said stroller frame; anda latch device including a latch tongue that is mounted on said coupling member of said stroller frame, that has a cam surface and an abutment surface adjacent to said cam surface, and that is movable between an unfolded state and a folded state,a latch housing that is connected to said latch tongue and that is coupled detachably to said carrier, anda locking member that includes a latch arm, and movable relative to said latch housing between a locked position, where said latch tongue is locked to said locking member, and an unlocked position, where said latch tongue is unlocked from said locking member and said latch arm abuts against said abutment surface of said latch tongue so as to maintain said locking member at the unlocked position, said latch arm deforming resiliently to slide along said cam surface of said latch tongue when said locking member is moved from the locked position toward the unlocked position. 14. The stroller as claimed in claim 13, wherein: said cam surface has a first end connected to said abutment surface, and a second end opposite to said first end;said latch arm has a slide block adjacent to said second end of said cam surface of said latch tongue; andthe resilient deformation of said latch arm permits sliding movement of said slide block along said cam surface during the movement of said locking member from the locked position toward the unlocked position, said latch arm restoring when said slide block departs from said cam surface and said locking member arrives at the unlocked position. 15. The stroller as claimed in claim 14, wherein: said latch tongue has a lateral side formed with an engaging hole;said coupling member of said stroller frame has a lateral side provided with a pair of spaced-apart spring pins; andsaid engaging hole engages one of said spring pins when said latch tongue is at the unfolded position, and engages the other one of said spring pins when said latch tongue is at the folded position. 16. The stroller as claimed in claim 14, wherein said locking member is connected pivotally to said latch housing. 17. The stroller as claimed in claim 16, wherein said locking member further includes a first engaging member that engages said latch tongues when said locking member is at the locked position, and that is disengaged from said first engaging member when said locking member is at the unlocked position. 18. The stroller as claimed in claim 17, wherein said latch device further includes a resilient member for biasing resiliently said locking member toward the locked position. 19. The stroller as claimed in claim 17, wherein said latch tongue further has a second engaging member engaging said first engaging member of said locking member when said locking member is at the locked position. 20. The stroller as claimed in claim 19, wherein said latch housing includes: a connecting wall coupled detachably to said carrier; anda surrounding wall connected to said connecting wall, covering said latch tongue, and formed with a slot that is registered with said second engaging member, said first engaging member of said locking member extending through said slot and engaging said second engaging member of said latch tongue when said locking member is at the locked position.
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이 특허에 인용된 특허 (38)
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