Locking device for a foldable stroller

Details Locking device for a foldable stroller Locking device for a foldable stroller

2000-04-20

2000-11-28

Camby, Richard M.

Land vehicles

Wheeled

Extensible

280647, 280658, B62B 708

Patent

active

061524778

ABSTRACT:
The present invention relates to a locking device for a foldable stroller, which is applied in a foldable stroller which is constructed of a plurality of frames capable of folding and unfolding, especially in control means which is two-stage in the operation process of folding and unfolding. The present invention utilizes a sliding element to control two frames of a stroller in both folded and unfolded positions. In its first position, the frames is stationary and fixed. Once the sliding element is pulled at first stage, one frame escapes therefrom and stops until reaching a stop tip. In the second stage, the frames is still stopped by ring-pull thereof after the sliding element is pulled again, and the frames are finally unfolded until the sliding element is continuing pulling again.

REFERENCES:
patent: 5110150 (1992-05-01), Chen
patent: 5605409 (1997-02-01), Haut et al.
patent: 5645293 (1997-07-01), Cheng
patent: 5725338 (1998-03-01), Huang
patent: 5934153 (1999-08-01), Yang

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