Swing apparatus with detachable infant holding device

1. A swing apparatus comprising:

a support frame;

a plurality of swing arms pivotally connected with the support frame;

a mount platform connected with the swing arms, wherein the mount platform includes a holder frame, and a linkage structure having an upper part joined with the holder frame and a lower part that extends downward from the holder frame and couples with the swing arms, and the swing arms are operable to swing the mount platform relative to the support frame; and

a portable infant holding device adapted to removably fasten with the holder frame of the mount platform.

2. The swing apparatus according to claim 1 , wherein the holder frame includes a peripheral sidewall that encloses a central opening, the peripheral sidewall including a plurality of catch structures adapted to lock with a fastener mechanism provided on the portable infant holding device.

3. The swing apparatus according to claim 2 , wherein the fastener mechanism comprises two latches pivotally mounted on two opposite sides of the infant holding device, the latches being operable to engage with and disengage from two corresponding ones of the catch structures.

4. The swing apparatus according to claim 2 , wherein the catch structures are disposed on a plurality of opposite sides around the central opening for allowing the portable infant holding device to be fastened on the holder frame in different orientations relative to the swing arms.

5. The swing apparatus according to claim 4 , wherein the different orientations include a first position for swinging the portable infant holding device back and forth, and a second position for swinging the portable infant holding device sideways.

6. The swing apparatus according to claim 1 , wherein the support frame has two opposite sides respectively provided with a plurality of upstanding legs, and the upstanding legs on each of the two opposite sides respectively have upper ends joined with a housing.

7. The swing apparatus according to claim 6 , wherein the swing arms include two swing arms, each of which has a generally U-shaped profile including two parallel side sections respectively coupled pivotally with the housings on the two opposite sides of the support frame, and a transverse section joining lower ends of the side sections.

8. The swing apparatus according to claim 7 , wherein

the upper part of the linkage structure is fixedly joined with the holder frame, and the lower part of the holder frame pivotally couples with the transverse sections of the swing arms.

9. The swing apparatus according to claim 8 , wherein the linkage structure includes a plurality of tubular extensions that are disposed symmetrical on two opposite sides of the holder frame.

10. The swing apparatus according to claim 9 , wherein the tubular extensions include two first tubular extensions that are respectively connected with the transverse section of one of the two swing arms via two first pivot links having a same first pivot axis, and two second tubular extensions that are respectively connected with the transverse section of the other one of the two swing arms via two second pivot links having a same second pivot axis parallel to the first pivot axis.

11. The swing apparatus according to claim 10 , wherein the first and second pivot axes are located in a substantially horizontal plane.

12. The swing apparatus according to claim 9 , wherein the tubular extensions include two first tubular extensions that are respectively connected with the transverse section of one of the two swing arms via two first pivot links having a same first pivot axis, and two second tubular extensions that are downwardly joined with each other via a transverse extension, the transverse extension being connected with the transverse section of the other one of the two swing arms via a second pivot link having a second pivot axis parallel to the first pivot axis.

13. The swing apparatus according to claim 1 , wherein the mount platform further includes a storage compartment below the holder frame.

14. The swing apparatus according to claim 13 , wherein the storage compartment is enclosed by a fabric element securely affixed with the linkage structure.

15. The swing apparatus according to claim 1 , wherein the mount platform is held at a height above the swing arms.

16. The swing apparatus according to claim 15 , wherein the infant holding device once installed on the holder frame lies above the support frame and the swing arms.

17. The swing apparatus according to claim 1 , wherein the infant holding device includes a shell body provided with a recessed region on a first side adapted to rest in contact with an adult hip, and a grasp handle on a second side opposite to the recessed region.

18. The swing apparatus according to claim 1 , wherein the infant holding device includes a portable infant car seat, or a bassinet.

19. The swing apparatus according to claim 1 , wherein the infant holding device includes a portable seat having a base and a shell body, the shell body being adjustable relative to the base between different inclinations.

20. A swing apparatus comprising:

a support frame;

a plurality of swing arms pivotally connected with the support frame;

a mount platform connected with the swing arms such that the swing arms are operable to swing the mount platform relative to the support frame, wherein the mount platform includes a holder frame and a linkage structure, the holder frame including a peripheral sidewall that encloses at least partially a central opening and includes a plurality of catch structures adapted to lock with a fastener mechanism provided on the portable infant holding device, and the linkage structure having an upper part joined with the holder frame and a lower part coupled with the swing arms; and

a portable infant holding device adapted to removably fasten with the holder frame of the mount platform;

wherein the swing arms are operable to cause a swinging motion during which the holder frame and the infant holding device placed thereon are displaced vertically and parallel to a horizontal direction, and the inclination of the holder frame and the infant holding device relative to a horizontal direction remains unchanged during the swinging motion.