Arrow
US9631908B2 · kind B2 · utility
8Cited by
5References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 24, 2015 |
| Grant date | Apr 25, 2017 |
| Priority date | — |
| Expiry date | Feb 24, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF42B6/04
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Provided is an arrow, wherein by forming a diameter of a shaft, at a fore end of which a point is combined and at a rear end of which a nock is combined, in such a way that the diameter is reduced going from the fore end to the rear end, a center of weight is shifted toward the fore end so as to increase a hitting ratio of the arrow and a deflection deformation is reduced.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.