Back massaging apparatus
US9999564B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 15, 2013 |
| Grant date | Jun 19, 2018 |
| Priority date | — |
| Expiry date | Aug 25, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61H2205/081
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
In a back massaging apparatus capable of projecting a massaging mechanism forward and returning the same to an original normal position, a motion amount is to be sufficient. The back massaging apparatus provided in a chair-type massaging machine includes: a massaging mechanism having: left and right paired massaging members each of which is provided with a treatment unit performing a massaging operation; and a drive unit transmitting a massaging operation to the massaging members; and a projection amount variable mechanism which moves the massaging members so that a projection amount of the treatment unit in the back and forth direction is varied.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.