초록 ▼

A stroller includes a pair of front legs, a pair of rear legs, and an inverted U-shaped handle having two push bars. A folding release device includes a front coupling base secured on the upper end of each of the two front legs and having a lug containing a locking cavity, a hollow rear coupling bas

A stroller includes a pair of front legs, a pair of rear legs, and an inverted U-shaped handle having two push bars. A folding release device includes a front coupling base secured on the upper end of each of the two front legs and having a lug containing a locking cavity, a hollow rear coupling base secured on the lower end of each of the two push bars, pivotally attached to the upper end of each of the two rear legs, and detachably secured to the front coupling base, a connecting sleeve having a first end secured to the lower end of each of the two push bars and a second end pivotally attached to the front coupling base, a locking shaft slidably mounted in the connecting sleeve and detachably received in the locking cavity, a slide bracket slidably mounted in the rear coupling base to move the locking shaft to detach from the locking cavity, a push button pivotally mounted on the top of the rear coupling base to press the slide bracket downward, and a safety knob mounted in the rear coupling base to stop the movement of the slide bracket.

대표청구항 ▼

[What is claimed is:] [1.]a front coupling base adapted to be secured on an upper end of each of said two front legs and having a first end and a second end, and a lug extending from said second end of said front coupling base and containing a locking cavity therein;a hollow rear coupling base adapt

[What is claimed is:] [1.]a front coupling base adapted to be secured on an upper end of each of said two front legs and having a first end and a second end, and a lug extending from said second end of said front coupling base and containing a locking cavity therein;a hollow rear coupling base adapted to be secured on a lower end of each of said two push bars and pivotally attached to an upper end of each of said two rear legs, said rear coupling base having a first end, a second end and a top, said first end detachably secured to said second end of said front coupling base;a connecting sleeve having a first end configured to be secured to said lower end of each of said two push bars and a second end pivotally mounted to said front coupling base;a locking shaft slidably mounted in said connecting sleeve and detachably received in said locking cavity;a slide bracket slidably mounted in said rear coupling base to move said locking shaft to detach from said locking cavity;a push button pivotally mounted on said top of said rear coupling base to press said slide bracket downward; anda safety knob mounted in said rear coupling base to stop a movement of said slide bracket.