Dueling tree
US6994348B2 · kind B2 · utility
51Cited by
14References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 6, 2003 |
| Grant date | Feb 7, 2006 |
| Priority date | — |
| Expiry date | Mar 6, 2023 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF41J7/04
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A target system includes a plurality of targets mounted on a center support so that the targets rotate between opposing sides of the center support. Preferably, the targets rotate about an axis which is between 5 and 30 degrees less than vertical, and have faces which are disposed at an angle between 5 and 30 degrees less than vertical.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.