Sit down and stand up walker with seat assembly
US8151812B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Jul 2, 2010 |
| Grant date | Apr 10, 2012 |
| Priority date | — |
| Expiry date | Jul 2, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B2225/093
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A sit down and stand up walker for assisting a user during walking and when not walking in a standing, partially standing or sitting positions with partial or full weight bearing support and with means to change from standing, partially standing to sitting positions with partial weight bearing support to a fixed elevation with full weight bearing support in any varied or repeated sequence. The partial or full weight bearing means supports a seat assembly which includes a seat and front body support with adjustable positioning to provide pelvic stability. The angle of the seat assembly relative to a flat ground surface is maintained at any elevation of the seat assembly between a standing and sitting position. The weight bearing means is responsive to the variable force supplied by the user as the user walks, stands or sits allowing the seat assembly to move up or down. The weight bearing means in a preferred embodiment is an enclosed gas spring cylinder with piston rod that can be locked at differing elevations or released to respond to a user's body force as the user walks, stands or sits. The walker is intended to be moved without the user's hands holding onto the frame thereby p…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.