Folding release device for a stroller

Details Folding release device for a stroller Folding release device for a stroller

1999-07-30

2001-03-06

Vanaman, Frank (Department: 3611)

Land vehicles

Wheeled

Extensible

C280S650000, C280S658000

Reexamination Certificate

active

06196571

ABSTRACT:

CROSS-REFERENCES TO RELATED APPLICATIONS
Not Applicable.
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a folding release device, and more particularly to a folding release device for a stroller.
2. Description of the Related Art
The closest prior art of which the applicant is aware is disclosed in U.S. Pat. No. 5,775,718 to Huang, filed on Apr. 17, 1996, entitled “Folding Assembly For A Trolley”.
BRIEF SUMMARY OF THE INVENTION
In accordance with one aspect of the present invention, there is provided a folding release device for a stroller which includes a pair of front legs, a pair of rear legs, and a substantially inverted U-shaped handle having two push bars.
The folding release device comprises a front coupling base secured on the upper end of each of the two front legs and having a first end and a second end, and a lug extending from the second end of the front coupling base and containing a locking cavity therein; a hollow rear coupling base secured on the lower end of each of the two push bars and pivotally mounted on the upper end of each of the two rear legs, the rear coupling base having a first end and a second end, the first end detachably secured to the second end of 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 mounted 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.


REFERENCES:
patent: 4848787 (1989-07-01), Kassai
patent: 5244228 (1993-09-01), Chiu
patent: 5427402 (1995-06-01), Huang
patent: 5460398 (1995-10-01), Huang
patent: 5634654 (1997-06-01), Lin
patent: 5865460 (1999-02-01), Huang
patent: 5938230 (1999-08-01), Huang et al.
patent: 258826 (1988-03-01), None
patent: 483042 (1992-04-01), None
patent: 2502569 (1982-10-01), None

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