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특허 상세정보

Convertible carriage with biased wheel retraction

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B62B-011/00   
미국특허분류(USC) 280/30 ; 280/643 ; 280/648 ; 297/130
출원번호 US-0202720 (1988-06-03)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 23  인용 특허 : 2
초록

A convertible carriage having a wheel retraction mechanism to provide biased wheel retraction. The carriage has a superstructure including a seat for carrying a person to be transported, a plurality of wheels, and a plurality of leg members pivotably interconnected with the superstructure for rollably supporting the wheels to transport the superstructure when leg members are in an extended position below the superstructure. The carriage further includes a drive mechanism for relocating the leg members between a retracted position and an extended position...

대표
청구항

A convertible carriage with biased wheel retraction, comprising: a superstructure including seat means for carrying a person to be transported; a plurality of wheel means; a plurality of leg members pivotably interconnected with said superstructure for rollably supporting said wheel means to transport said superstructure when said leg members are in an extended position; drive means for relocating said leg members between a retracted position and said extended position, including first drive means for moving at least one of said leg members to said exten...

이 특허를 인용한 특허 피인용횟수: 23

  1. Mazar, Yoav. Baby safety seat and a wheel for use therein. USP2016119505321.
  2. Hsu, Kuo Chung. Baby seat structure for bicycles. USP2003096612645.
  3. Zehfuss, Mark; Dorca, Jordi. Baby stroller. USP2016129517787.
  4. Dierickx James J.. Carseat and stroller with folding linkage system. USP2001056237995.
  5. Yuan, Jialiang. Child carrier apparatus. USP2015018936261.
  6. Otobe Tetsuro,JPX ; Matsumoto Hiroshi,JPX ; Sasaki Kazuhiro,JPX ; Okumura Kazumasa,JPX ; Sato Kazuo,JPX ; Toya Masaaki,JPX. Child safety seat. USP1998105823547.
  7. Birchfield,Daphne D.. Combination child vehicle seat and temporary stroller. USP2006087090291.
  8. Kim Hyung Ho. Combined golf bag and collapsible golf cart. USP2000046050592.
  9. Sigmon, Jr.,Glenn A.; Sigmon, Jr.,Rita H.. Convertible carseat/stroller. USP2009037506921.
  10. Katz, Geva; Lazarovich, Oron. Convertible single and multi-seat stroller. USP2014128905427.
  11. Chi Kam Mang,HKX ; Wing Chiang Chi,HKX. Doll walker with activity toy. USP2001036206384.
  12. Schnarr, Randy; Haddock, Bryon. Foldable wheeled container. USP2013108544857.
  13. Kozinski, Micheal. Infant car seat assembly. USP2015089108654.
  14. Welsh ; Jr. Thomas J. ; Myers Peter J.. Infant seat and stroller coupling system. USP1999095947555.
  15. Viana, Aida; Viana, Lidia. Integrated carrier and carriage. USP2015018936254.
  16. Rembisz, Justine; Daley, Robert D.; Hopke, Frederick Karl; Thorne, Henry F.; Walker, John J.; Wiegmann, Elijah M.. Lightweight collapsible stroller. USP2015038985617.
  17. Rembisz, Justine; Daley, Robert D.; Hopke, Frederick Karl; Thorne, Henry F.; Walker, John J.; Wiegmann, Elijah M.. Lightweight collapsible stroller. USP2016099446779.
  18. Thorne, Henry F.; Conley, Lou; Hannigan, Benjamin; Lee, Donald. Lightweight collapsible stroller. USP2016119505423.
  19. Coote, Kathy; Coote, Omar. Rolling car seat. USP2013108544941.
  20. Harris, Jennie V.. Stroller and safety seat combination. USP2005126971655.
  21. Larry Cheng. Stroller assembly having a foldable frame. USP2002106464244.
  22. Ransil, Matthew J.. Travel stroller folding and latch mechanism. USP2018039908551.
  23. Ransil, Matthew J.. Travel stroller folding and latch mechanism. USP20181210144442.