Collapsible stroller

Details Collapsible stroller Collapsible stroller

2011-01-18

2011-01-18

Shriver, II, J. Allen (Department: 3618)

Land vehicles

Wheeled

Extensible

C280S650000, C280S647000, C280S639000, C280S047410

Reexamination Certificate

active

07871100

ABSTRACT:
A collapsible stroller is provided. The collapsible stroller comprises a frame body and a seat unit, wherein the frame body comprises: an upper frame unit consisting of two upper frame tubes; two connecting members connecting the two upper frame tubes to two front legs respectively and each connecting member having a first locking device; two base frame tubes pivotally coupled to the front legs respectively; two rear legs pivotally coupled between the connecting members and the base frame tubes respectively; and the seat unit comprises a seat portion, a backrest portion pivotally coupled to the seat portion, and two linking members disposed at two sides of the seat unit respectively, one end of each linking member thereof being pivotally coupled to the frame body and the other end being pivotally coupled to the seat portion so as to pivotally mount the seat unit to the frame body, wherein when the upper frame tubes pivotally collapsed with respective to the front legs, the upper frame unit, the front legs, the rear legs, the base frame tubes and the seat unit will move toward one another into a collapsed state in which they are substantially parallely stacked. The collapsible stroller of the present invention may further comprise baising device disposed at a joint between a supporting tube of the seat unit and the front leg to prevent the stroller being put into use before it reaches its completely expanded and locked state.

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patent: 2005/0242549 (2005-11-01), Longenecker et al.
patent: 2006/0214396 (2006-09-01), Horacek
patent: 9414431.1 (1994-09-01), None
patent: 2399322 (2004-09-01), None
patent: WO 2008/031099 (2008-03-01), None

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