Foldable stroller
US7404569B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 14, 2006 |
| Grant date | Jul 29, 2008 |
| Priority date | — |
| Expiry date | Sep 15, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/1624
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A collapsible stroller has a frame assembly with a front, a back, and left and right sides when in an in-use configuration. A seat is positioned between the left and right sides. Each of the left and right sides has an elongate bottom part and each bottom part has a front end and a back end. A back wheel is supported for rotation at the back end of each of the bottom parts. Each of the left and right sides has a front leg with a lower end pivotally connected to the front end of the respective bottom part. Each front leg extends upward from the bottom part and rearward toward the back of the frame assembly and terminates at an upper end. Each of the left and right sides also has a push arm pivotally coupled relative to the upper end of the respective front leg. Each push arm extends upward and rearward from the upper end of the respective front leg. Each of the left and right sides further has a support strut with a lower end pivotally connected to the respective bottom part at a pivot location between the front and back end of the bottom part. Each support strut terminates at an upper end in proximity to the respective front leg or the respective push arm. Each bottom part has a po…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.