Prehensor device and improvements of same
US7341295B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 14, 2005 |
| Grant date | Mar 11, 2008 |
| Priority date | — |
| Expiry date | Oct 2, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2310/00616
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A prehensor is provided comprising embodiments of a variable mechanical advantage mechanism, the prehensor including a first mechanical advantage for sizing an object, and a second mechanical advantage for gripping the object. Embodiments of the variable mechanical advantage mechanism include a brake assembly and multiple embodiments of a brakeless assembly. Additionally, multiple embodiments of a selectable voluntary opening/voluntary closing mechanism are provided, whereby a single prehensor can be switched back and forth between a voluntary closing mode and a voluntary opening mode. Additional embodiments include a safety clutch, an improved prehensor tendon, replaceable digits, and self decontaminating digits.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.