Baby stroller front wheel frame assembly
US5234226A · kind A · utility
Inventor
Key dates
| Filing date | Aug 20, 1992 |
| Grant date | Aug 10, 1993 |
| Priority date | — |
| Expiry date | Aug 20, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60B33/0002
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A baby stroller front wheel frame assembly includes two front legs connected to two rear legs and holds two front wheel assemblies by two swivel wheel holders. Each front leg is made from a high-impact plastic material through the process of injection molding, having a unitary upright rail on a front end thereof, onto which a swivel wheel holder lock is mounted to lock the respective swivel wheel holder in position. A unitary, hooked, split wheel pin extends downwards from a bottom edge of the second wheel holder adjacent to the upright rail and is tightly fitted into a hole on the respective swivel wheel holder so as to hold it in place. Each swivel wheel holder is made from a high-impact plastic material through the process of injection molding, having two unitary axles aligned on two opposite sides for holding two wheels.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.