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An infant stroller apparatus includes a rear leg frame including a first side segment, a handle having a second side segment, and a hinge structure assembled with the first and second side segments. The hinge structure includes a first and a second coupling part, and a latch. The first coupling part

An infant stroller apparatus includes a rear leg frame including a first side segment, a handle having a second side segment, and a hinge structure assembled with the first and second side segments. The hinge structure includes a first and a second coupling part, and a latch. The first coupling part is pivotally connected with the first side segment. The second coupling part is affixed with the second side segment and is pivotally connected with the first coupling part. The latch is operable to lock the first coupling part with the second coupling part to block rotation of the second coupling part relative to the first coupling part about the second pivot axis. When the stroller apparatus is in a deployed state, a distal end of the second coupling part faces a rear surface of the first side segment, and the latch engages with the first coupling part at a location above the distal end.

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1. An infant stroller apparatus comprising: a rear leg frame including a first side segment;a first coupling part pivotally connected with the first side segment about a first pivot axis, the first coupling part including a wrapping surface;a handle having a second side segment extending along a len

1. An infant stroller apparatus comprising: a rear leg frame including a first side segment;a first coupling part pivotally connected with the first side segment about a first pivot axis, the first coupling part including a wrapping surface;a handle having a second side segment extending along a lengthwise axis;a second coupling part affixed with the second side segment and pivotally connected with the first coupling part about a second pivot axis that is spaced apart from the first pivot axis, wherein the second coupling part has a distal end; anda latch operable to lock the first coupling part with the second coupling part to block rotation of the second coupling part relative to the first coupling part about the second pivot axis, the latch engaging with the first coupling part at a location above the distal end;wherein when the stroller apparatus is in a deployed state, the wrapping surface wraps at least partially around the first side segment toward the rear surface thereof, and the distal end of the second coupling part faces a rear surface of the first side segment and has an edge that is flush with a region of the wrapping surface adjacent thereto, the distal end and the wrapping surface, and the rear surface of the first side segment opposite thereto, defining a clearance that is sufficiently large to prevent pinching of a hand or finger. 2. The infant stroller apparatus according to claim 1, wherein the first coupling part includes a stop surface, the second coupling part has an edge that comes into contact with the stop surface when the stroller apparatus is unfolded to the deployed state. 3. The infant stroller apparatus according to claim 2, wherein the contact between the stop surface and the edge of the second coupling part blocks rotation of the second coupling part about the second pivot axis in an unfolding direction. 4. The infant stroller apparatus according to claim 1, wherein the first coupling part includes a locking groove, and the latch engages with the locking groove when the stroller apparatus is in the deployed state. 5. The infant stroller apparatus according to claim 4, further including a spring operable to bias the latch in a direction for engaging with the locking groove of the first coupling part. 6. The infant stroller apparatus according to claim 1, wherein the second pivot axis is located in a region between the first pivot axis and the location where the latch engages with the first coupling part. 7. The infant stroller apparatus according to claim 1, wherein the second coupling part includes a protruding flange, and the first coupling part includes an edge that comes into contact with the flange when the stroller apparatus is in the deployed state. 8. The infant stroller apparatus according to claim 7, wherein the second pivot axis is located between the flange and the distal end along the lengthwise axis of the second side segment. 9. The infant stroller apparatus according to claim 1, further including an armrest having a rear end portion pivotally connected with the second side segment of the handle. 10. The infant stroller apparatus according to claim 9, wherein the first side segment of the rear leg frame is pivotally connected with the armrest. 11. An infant stroller apparatus comprising: a first frame portion including a first side segment;a second frame portion having a second side segment extending along a lengthwise axis; anda hinge structure respectively assembled with the first and second side segments, wherein the hinge structure includes: a first coupling part pivotally connected with the first side segment about a first pivot axis, the first coupling part having a wrapping surface;a second coupling part affixed with the second side segment and pivotally connected with the first coupling part about a second pivot axis that is spaced apart from the first pivot axis, wherein the second coupling part has a distal end; anda latch assembled with the second coupling part and operable to engage with the first coupling part to block rotation of the second coupling part relative to the first coupling part about the second pivot axis, the latch engaging with the first coupling part at a location above the distal end;wherein when the stroller apparatus is in a deployed state, the distal end faces a rear surface of the first side segment, and the wrapping surface wraps at least partially around the first side segment toward the rear surface thereof, the distal end and the wrapping surface, and the rear surface of the first side segment opposite thereto, defining an anti-pinch clearance. 12. The infant stroller apparatus according to claim 11, wherein the location where the latch engages with the first coupling part is located above the second pivot axis. 13. The infant stroller apparatus according to claim 11, wherein the first coupling part includes a stop surface, the second coupling part has an edge that comes into contact with the stop surface when the stroller apparatus is unfolded to the deployed state. 14. The infant stroller apparatus according to claim 11, further including a spring operable to bias the latch in a direction for engaging with the first coupling part. 15. The infant stroller apparatus according to claim 11, wherein the distal end of the second coupling part rotates away from the rear surface of the first side segment when the stroller apparatus is collapsed. 16. The infant stroller apparatus according to claim 11, wherein when the infant stroller apparatus is in the deployed state, the distal end has an edge that is flush with a region of the wrapping surface adjacent thereto.