Arrow shaft end adaptor apparatus and balance pin apparatus and method
US4874180A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 29, 1987 |
| Grant date | Oct 17, 1989 |
| Priority date | — |
| Expiry date | Sep 29, 2007 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF42B6/04
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An arrow end adaptor and a balance pin for an arrow and a method for making the same. The arrow comprising a ferrule having a large enough inner diameter to be placed over the arrow shaft, and further having an exterior threaded end whose diameter is smaller than the diameter of the arrow shaft. The point cap is designed such that an arrow point having interior threads may be attached to the exterior threaded end of the point cap. The balance pin is designed to have a head at one end that may be affixed to either a target point or a point cap and a shaft end that may be inserted into the arrow shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.