Motorized walking aid
US5224562A · kind A · utility
18Cited by
4References
10Claims
0Family size
Inventor
Key dates
| Filing date | Sep 30, 1991 |
| Grant date | Jul 6, 1993 |
| Priority date | — |
| Expiry date | Sep 30, 2011 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61H2003/046
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A walking aid has a supporting framework (2, 3) mounted on two independently driven wheels, (5, 7) driven by respective electric motors (6, 8). The motors are operable by respective switches (10, 11) provided on the framework, such that each wheel can be independently rotatably driven in a clockwise or anticlockwise direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.