Device for assisting body movement
US11730658B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 4, 2021 |
| Grant date | Aug 22, 2023 |
| Priority date | — |
| Expiry date | Mar 27, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61H2201/5097
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention relates to a device for assisting body movement, comprising: a pulley for winding or unwinding a wire for moving a specific body between a first position and a second position; a motor for rotating the pulley forward or backward to wind the wire on or unwind the wire from the pulley; and a stopper portion for restricting winding or unwinding of the wire so that the specific body does not move out from between the first position and the second position, wherein the stopper portion comprises: a pulley hook that protrudes to form a swing trajectory on one side of the pulley; and a stopper formed to have a predetermined arc length along the swing trajectory of the pulley hook and provided with a stopper track to which the pulley hook is movably coupled.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.