Mobile chair apparatus comprising foot pedals
US9757288B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 19, 2016 |
| Grant date | Sep 12, 2017 |
| Priority date | — |
| Expiry date | Feb 19, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61G5/0833
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An apparatus comprising a steering assembly, a drive assembly and a seat, the steering assembly comprises a first armrest connected to a first link arm, and a second armrest connected to a second link arm; a first tie rod connected to the first link arm and a second tie rod connected to the second link arm; a first steering block connected to the first tie rod and a second steering block connected to the second tie rod; a third tie rod interconnecting the first and second steering blocks; and a first and second steering wheel, and/or the drive assembly comprises a first and second drive wheel connected to an axle; a support shaft; foot pedals connected to a crank; a first chain connecting the crank to a gear hub; and a second chain connecting the gear hub to the axles or connecting components of the gear hub.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.