Self-advancing device
US7481764B2 · kind B2 · utility
9Cited by
8References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 20, 2002 |
| Grant date | Jan 27, 2009 |
| Priority date | — |
| Expiry date | Nov 11, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B1/015
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A device (1) which includes an elongate body (2) with a movable mass (3) arranged for sliding movement within the body (2), the element (4) being arranged to decelerate toward an end of the body (2) in order to impart forward movement thereto, via momentum transfer, and being arranged to accelerate away from said end in order to further drive the body (2) forward, again using momentum transfer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.