Wheelchair frame assembly
US5722676A · kind A · utility
Inventor
Key dates
| Filing date | Oct 11, 1995 |
| Grant date | Mar 3, 1998 |
| Priority date | — |
| Expiry date | Oct 11, 2015 |
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 including 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 exposed to the exterior for mounting another element, the cover shell having a plurality of integral arm sections respectively connected between each two adjacent metal frame tubes, a plurality of integral rod sections respectively fitted into the embedded end of each metal frame tube, and at least one coupling portion for connection of a respective coupling portion of another unit frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.