Patent ID: 7686323

Claim:
A baby stroller comprising: a frame ( 1 ); a portable cradle ( 2 ) removably connected to the frame ( 1 ) and including a cradle frame ( 21 ), two pivotal devices (A) connected to the cradle frame ( 21 ) and each including a first part ( 3 ) and a second part ( 4 ), a plurality of first insertions ( 31 ) extending from each of the first parts ( 3 ) and the cradle frame ( 21 ) connected to the first insertions ( 31 ), each first part ( 3 ) having a first insertion hole ( 32 ) defined in a tubular portion extending therefrom and a U-shaped handle being connected to the two first insertion holes ( 32 ), an outer groove ( 33 ) and an inner groove ( 34 ) defined in a side of each of the first parts ( 3 ), one of the first insertions ( 31 ) having a space ( 311 ) defined therein and a through hole ( 312 ) defined through the first insertion ( 31 ) and communicating with the space ( 311 ), a passage ( 313 ) defined between the space ( 311 ) and the outer groove ( 33 ) and a notch ( 314 ) defined between the outer and inner grooves ( 33 , 34 ), a spring ( 35 ) and a pin ( 36 ) located in the space ( 311 ), a sleeve ( 37 ) movably mounted to the first insertion ( 31 ) with the space ( 311 ) and a rivet ( 38 ) extending through the sleeve ( 37 ), the pin ( 36 ) and the through hole ( 312 ) so that the sleeve ( 37 ) is moved with the pin ( 36 ), the second part ( 4 ) having a second insertion ( 41 ) extending therefrom and the second insertion ( 41 ) connected to the frame ( 1 ) of the stroller, the second part ( 4 ) having an annular flange ( 42 ) which is engaged with the outer groove ( 33 ) in the first part ( 3 ) and a plurality of positioning holes ( 421 ) defined through the annular flange ( 42 ) so that the pin ( 36 ) is inserted one of the positioning holes ( 421 ), and a front wheel assembly (C) connected to a front end of the frame ( 1 ) of the stroller.