Wheelchair frame assembly
US5516226A · kind A · utility
Inventor
Key dates
| Filing date | Aug 30, 1994 |
| Grant date | May 14, 1996 |
| Priority date | — |
| Expiry date | Aug 30, 2014 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16B2200/67
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A wheelchair frame assembly made by connecting a plurality of unit frames together, each unit frame consisting of a plurality of metal frame tubes and a plastic cover shell directly molded on the metal frame tubes, each metal frame tube having one end embedded in the plastic cover shell and an opposite end extended to the outside for coupling, the cover shell having a plurality of integral arm sections respectively bridged over each two adjacent metal frame tubes, a plurality of rod sections respectively fitted into the embedded end of each metal frame tube, and at least one coupling portion for connection to a respective coupling portion on the wheelchair.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.