Easy lock and release mechanism for a safety seat retaining on a stroller frame and a base

1. An easy lock and release mechanism for a safety seat retaining on a stroller frame, comprising:

a stroller frame, having two sides, at least a spring-loaded latch and a front confinement; wherein the front confinement has a rear wall and is stretched between the two sides of the stroller frame; and the spring-loaded latch is mounted in the front confinement and has a protruded engaging portion retractively protruded from the rear wall of the front confinement;

a safety seat, having a front end and a rear end, and formed with an orifice at the rear end for snap engaging with the protruded engaging portion of the spring-loaded latch thereby retaining the safety seat on the stroller frame; and

a release mechanism, operatively mounted on the safety seat, having a release actuator and a pushing element; wherein the pushing element can be driven by the release actuator for pushing the protruded engaging portion of the spring-loaded latch away from the orifice thereby releasing the safety seat from the stroller frame.

2. The easy lock and release mechanism for a safety seat retaining on a stroller frame according to claim 1 , wherein the front confinement is a food tray which being formed with at least a positioning indent.

3. The easy lock and release mechanism for a safety seat retaining on a stroller frame according to claim 2 , wherein the safety seat having a positioning protrusion for resting within the positioning indent thereby guiding the spring-loaded latch to align with the orifice.

4. The easy lock and release mechanism for a safety seat retaining on a stroller frame according to claim 1 , wherein the front confinement is formed with the rear wall and an upper wall, and the upper wall is formed with at least a positioning indent for guiding the safety seat to a position that permits spring-loaded latch aligned with the orifice.

5. The easy lock and release mechanism for a safety seat retaining on a stroller frame according to claim 4 , wherein the rear wall is formed with at least a through hole for permitting the spring-loaded latch projecting and retracting therethrough.

6. The easy lock and release mechanism for a safety seat retaining on a stroller frame according to claim 5 , wherein the spring-loaded latch further includes a biasing portion, the biasing portion biasing the protruded engaging portion to project outwardly from the through hole.

7. The easy lock and release mechanism for a safety seat retaining on a stroller frame according to claim 6 , wherein the biasing portion is formed integrally with the protruded engaging portion.

8. The easy lock and release mechanism for a safety seat retaining on a stroller frame according to claim 1 , wherein the release actuator is a handle.

9. An easy lock and release mechanism for a safety seat retaining on a stroller frame and a base, comprising:

a base, having two transversal bars;

a stroller frame, having two sides, two spring-loaded latches and a front confinement, wherein the front confinement has a rear wall and is stretched between the two sides of the stroller frame; and wherein both of the spring-loaded latches are mounted in the front confinement and having a protruded engaging portion retractively protruded from the rear wall of the front confinement;

a safety seat, having a front end, a rear end, two anchoring slots, two latching elements and two positioning protrusions; the two positioning protrusions protruded downwardly for resting inside a positioning indent formed on the front confinement; the two positioning protrusions each formed with an orifice for engaging with the spring-loaded latch thereby retaining the safety seat on the stroller frame; the two anchoring slots being capable of holding the two transversal bars and locked by the two latching elements; and

a release mechanism, having a release actuator, two pushing elements and two flexible lengths; wherein the pushing element can be driven by the release actuator for pushing the spring-loaded latch away from the orifice thereby releasing the safety seat from the stroller frame, the two flexible lengths each having one end connected with the release actuator and another end for connected with the two latching elements respectively for unlocking the two transversal bars from the two anchoring slots.

10. The easy lock and release mechanism for a safety seat retaining on a stroller frame and a base according to claim 9 , wherein the two latching elements each has an outer edge for slidably contacting and pushed by the two transversal bars when loading the safety seat on the base.

11. The easy lock and release mechanism for a safety seat retaining on a stroller frame and a base according to claim 9 , wherein the two flexible lengths are formed integrally with the two pushing elements respectively.

12. The easy lock and release mechanism for a safety seat retaining on a stroller frame and a base according to claim 9 , wherein the release actuator is a handle biased by a resilient element toward an idle position.

13. The easy lock and release mechanism for a safety seat retaining on a stroller frame and a base according to claim 9 , wherein the safety seat is formed with a guiding slot, and the base is formed with a guiding protrusion for matching with the guiding slot thereby guiding the safety seat to a position that permits the anchoring slot aligned with the transversal bars.

14. The easy lock and release mechanism for a safety seat retaining on a stroller frame and a base according to claim 9 , wherein the latching elements are pivoted near the anchoring slot respectively for releasably locking the transversal bars in the anchoring slots.

15. An easy lock and release mechanism for a safety seat retaining on a stroller frame, comprising:

a stroller frame, having two sides, at least a spring-loaded latch and a front confinement; wherein the front confinement is stretched between the two sides of the stroller frame; and the spring-loaded latch is projectively and retractively mounted at the front confinement;

a safety seat, having a front end and a rear end, and formed with an orifice at the rear end for snap engaging with the spring-loaded latch thereby retaining the safety seat on the stroller frame; and

a release mechanism, having a release actuator and a pushing element; wherein the pushing element can be driven by the release actuator for pushing the spring-loaded latch away from the orifice thereby releasing the safety seat from the stroller frame,

wherein the front confinement is formed with a rear wall and an upper wall, and the upper wall is formed with at least a positioning indent for guiding the safety seat to a position that permits spring-loaded latch aligned with the orifice, and

wherein the rear wall is formed with at least a through hole for permitting the spring-loaded latch projecting and retracting therethrough.

16. The easy lock and release mechanism for a safety seat retaining on a stroller frame according to claim 15 , wherein the front confinement is a food tray which being formed with at least a positioning indent.

17. The easy lock and release mechanism for a safety seat retaining on a stroller frame according to claim 16 , wherein the safety seat having a positioning protrusion for resting within the positioning indent thereby guiding the spring-loaded latch to align with the orifice.

18. The easy lock and release mechanism for a safety seat retaining on a stroller frame according to claim 15 , wherein the spring-loaded latch includes a biasing portion and a protruded engaging portion, the biasing portion biasing the protruded engaging portion to project outwardly from the through hole.

19. The easy lock and release mechanism for a safety seat retaining on a stroller frame according to claim 18 , wherein the biasing portion is formed integrally with the protruded engaging portion.

20. The easy lock and release mechanism for a safety seat retaining on a stroller frame according to claim 15 , wherein the release actuator is a handle.