초록 ▼

A collapsible stroller has a frame assembly that is reconfigurable between an in-use configuration and a collapsed configuration. The frame assembly has a fold latch on a side of the frame assembly and has two latch parts that are pivotally coupled to one another. A push arm of the frame assembly ha

A collapsible stroller has a frame assembly that is reconfigurable between an in-use configuration and a collapsed configuration. The frame assembly has a fold latch on a side of the frame assembly and has two latch parts that are pivotally coupled to one another. A push arm of the frame assembly has a lower end connected to one of the latch parts and is movable with the one latch part relative to the other latch part. The push arm extends upward and rearward to a handle of the stroller. A front leg of the frame assembly has a lower end and extends upward and rearward to an upper end. The front leg is a hollow tube and has a necked-down portion at the upper end received in the other latch part and is movable with the other latch part relative to the one latch part.

대표청구항 ▼

What is claimed is: 1. A collapsible stroller having a frame assembly reconfigurable between an in-use configuration and a collapsed configuration, the collapsible stroller comprising: a fold latch on a side of the frame assembly and having two latch parts pivotally coupled to one another; a push a

What is claimed is: 1. A collapsible stroller having a frame assembly reconfigurable between an in-use configuration and a collapsed configuration, the collapsible stroller comprising: a fold latch on a side of the frame assembly and having two latch parts pivotally coupled to one another; a push arm having a lower end connected to one of the latch parts and movable with the one latch part relative to the other latch part, the push arm extending upward and rearward to a handle; and a front leg having a lower end and extending upward and rearward to an upper end, the front leg being a hollow tube having a necked-down portion at the upper end received in the other latch part and being movable with the other latch part relative to the one latch part. 2. A collapsible stroller according to claim 1, wherein the front leg is an oval tube in cross section with a height dimension larger than a width dimension, and wherein the necked-down portion of the front leg is formed by one side of the oval tube being crushed in the height direction into an opposite side of the oval tube. 3. A collapsible stroller according to claim 1, wherein the front leg is an oval tube in cross section, and wherein the necked-down portion is U-shaped in cross section by folding one side of the tube inward toward the other side. 4. A collapsible stroller according to claim 1, wherein the upper end of the front leg is received in a socket in the other latch part, the socket being sized and configured to closely match the size and contour of the upper end inclusive of the necked-down portion. 5. A collapsible stroller according to claim 4, wherein the front leg is an oval tube in cross section, wherein the necked-down portion is U-shaped in cross section formed by folding one side of the tube inward toward the other side, and wherein the socket has an entry sized and shaped to match the oval tube cross section and has a narrowed section sized and shaped to match the U-shaped necked-down portion. 6. A collapsible stroller according to claim 4, wherein the two latch parts are pivotally connected to one another by a pivot, and wherein the pivot extends through a hole across a tip of the necked-down portion of the front leg and the socket to secure the front leg to the other latch part. 7. A collapsible stroller according to claim 1, wherein the one latch part is a lower latch part and the other latch part is an upper latch part, and wherein the upper latch part overlies the lower latch part in the in-use configuration and underlies the lower latch part in the collapsed configuration. 8. A collapsible stroller according to claim 1, wherein the other latch part has a socket sized to closely conform to a profile of the necked-down portion, the upper end of the front leg inclusive of the necked-down portion being received and secured in the socket. 9. A collapsible stroller with a stroller frame and a frame latch assembly comprising: a lower latch part: a push arm of the stroller frame, the push arm having a lower end connected to the lower latch part; a front leg of the stroller frame, the front leg having an upper end with a necked-down portion; and an upper latch part pivotally connected to the lower latch part and having a socket with an entry and a narrowed section beyond the entry that is smaller in cross section than the entry, the upper end of the front leg including the necked-down portion being received in the socket. 10. A collapsible stroller according to claim 9, wherein the socket is at one end of the upper latch part, and wherein the opposite end of the upper latch part is a pivot portion pivotally coupled to the lower latch part. 11. A collapsible stroller according to claim 9, wherein the front leg is a tube and the necked-down portion is formed by crushing one side of the tube inward with a longitudinal crease toward the other side of the tube. 12. A collapsible stroller according to claim 11, wherein the front leg is a tube that is oval in cross section and the necked-down portion is U-shaped in cross section. 13. A collapsible stroller according to claim 9, wherein the front leg is an oval tube in cross section and the necked-down portion is U-shaped in cross section with one side of the oval tube folded inward toward the other side of the oval tube. 14. A collapsible stroller according to claim 13, wherein the socket entry is oval and sized to match the front leg oval cross section and the narrowed section is domed with a flat side in cross-section. 15. A collapsible stroller according to claim 9, further comprising: a hole formed laterally across a tip of the necked-down portion of the front leg; openings formed laterally through the upper latch part and aligned across the narrowed section of the socket; pivot openings formed in the lower latch part aligned with both the hole in the front leg tip and the openings in the upper latch part; and a pivot extending through the pivot openings, the openings, and the hole across the front leg to pivotally connect the upper and lower latch parts and to secure the front leg within the socket. 16. A collapsible stroller frame with two frame sides and movable between a collapsed configuration and an in-use configuration, each frame side comprising: a push arm having an upper end connected to a handle and having a lower end; a front leg having an upper end with a necked-down portion and having a lower end; a lower latch part connected to the lower end of the push arm; and an upper latch part pivotally connected to the lower latch part, the upper latch part overlying the lower latch part in the in-use configuration and underlying the lower latch part in the collapsed configuration, the upper latch part having a socket sized to closely conform to a profile of the necked-down portion, the upper end of the front leg inclusive of the necked-down portion being received in the socket. 17. A collapsible stroller frame according to claim 16, wherein the socket has an entry and a narrowed section beyond the entry that is smaller in cross section than the entry. 18. A collapsible stroller frame according to claim 17, wherein the front leg is oval in cross section, wherein the necked-down portion of the front leg is U-shaped in cross section with one side of the oval shaped folded into the other side of the oval shape, and wherein the narrowed section is domed with a flat side in cross section. 19. A collapsible stroller frame according to claim 16, wherein the front leg is oval in cross section and wherein the socket has an entry shaped to match the oval shape and has a narrowed section beyond the entry that is smaller in cross section than the entry. 20. A collapsible stroller frame according to claim 19, wherein the necked-down portion of the front leg is U-shaped in cross section with one side of the oval shape bent inward into the other side.