Unitary broadhead blade unit and ferrule for same
US6726581B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Aug 4, 2001 |
| Grant date | Apr 27, 2004 |
| Priority date | — |
| Expiry date | Jun 22, 2022 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF42B6/08
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A unitary, chisel-type blade unit for a broadhead comprising multiple blades each with a razor edge extending radially from a common frontal point to a base. The base of each blade is connected to a central base collar having a central aperture in alignment with a cap on the underside of each of the blades and positioned between the central base collar and the common frontal point. The cap includes a structure for connection to a ferrule. The central base collar includes a structure for connection to a ferrule. The ferrule has a front portion, a central portion and a rear portion. The front portion includes a structure for connection to a cap. The central portion includes a structure for connection to the central base collar. The rear portion includes a structure for connection to an arrow shaft. The ferrule may be trimmed to remove weight therefrom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.