Safety brake type rollator
US6338355B1 · kind B1 · utility
69Cited by
14References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 22, 2000 |
| Grant date | Jan 15, 2002 |
| Priority date | — |
| Expiry date | Jul 11, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61H2201/1633
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A safety brake type rollator which is normally in detained state, but it starts to advance when releasing grips installed on both handle bars are gripped, is disclosed. The elaborate utilization of lever principle associated with power transmission between two ratchet wheels realizes innovative effect of the present invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.