Patent ID: 6073957
Filing Date: 2000-06-13
Classification: B62B,Y10T

Abstract:
A connecting device for connecting a handle portion and a leg portion of a stroller frame, the handle portion having a hollow connecting section formed with an elongated first slot, said connecting device comprising:a pivot seat adapted to connect pivotally the connecting section of the handle portion and the leg portion such that the connecting section of the handle portion is pivotable relative to the leg portion between an unfolded position, in which the connecting section of the handle portion extends upwardly relative to the leg portion and is disposed side-by-side with the leg portion, such that the connecting section of the handle portion is generally parallel to the leg portion, and a folded position;a locking seat adapted to be mounted slidably on the connecting section of the handle portion, said locking seat being adapted to be disposed above a top end of the leg portion when the connecting section of the handle portion is in the unfolded position, said locking seat being provided with a downwardly opening engaging chamber adapted to engage the top end of the leg portion, and an insert pin adapted to extend through the first slot in the connecting section so that said locking seat is adapted to move slidably on the connecting section of the handle portion between a locking position, in which said engaging chamber engages the top end of the leg portion to lock the connecting section of the handle portion in the unfolded position, and an unlocking position, in which said engaging chamber is disengaged from the top end of the leg portion to permit movement of the connecting section of the handle portion to the folded position;an operating member adapted to be mounted slidably on the connecting section of the handle portion above said locking seat;a linking rod adapted to be mounted on the connecting section of the handle portion, and having an upper end connected to said operating member, and a lower end connected to said insert pin; anda biasing unit adapted to be received in the connecting section of the handle portion, said biasing unit including an elongated spring mounting seat which has a bottom end adapted to be secured to the connecting section, and a top end that permits extension of said linking rod into said spring mounting seat, said spring mounting seat having a surrounding wall formed with upper and lower spring retaining portions which project inwardly from said surrounding wall and which define a spring chamber therebetween, said surrounding wall being further formed with an elongated second slot communicated with said spring chamber and adapted to be registered with the first slot in the connecting section, said biasing unit further including a coiled compression spring retained between said upper and lower spring retaining portions, said linking rod extending through said compression spring, said insert pin extending through said spring chamber and said second slot and being disposed below said compression spring so as to be biased downwardly by said compression spring, thereby pulling said linking rod downwardly to bias said locking seat normally to the locking position, said operating member being operable to move said linking rod upwardly against biasing action of the compression spring so as to move said locking seat to the unlocking position.