Wheel unit for a baby carriage
US5277480A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 28, 1992 |
| Grant date | Jan 11, 1994 |
| Priority date | — |
| Expiry date | Dec 28, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60B37/10
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A wheel unit for a baby carriage comprises a wheel fixed on a wheel rim, a sleeve member rotatably and releasably disposed in an axial through opening of the wheel rim, and having an axial through bore, and a plurality of hooks and a flange formed on the first and second ends, respectively, of the sleeve member, a pair of pressing plates formed on the flange of the sleeve member, and an axle disposed in the axial through bore of the sleeve member and having an annular groove which is releasably engaged by arcuate-shaped, lower edges of the pressing plates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.