Self-tunable compound bow
US9335114B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 14, 2015 |
| Grant date | May 10, 2016 |
| Priority date | — |
| Expiry date | Jan 14, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF41B5/10
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Provided is a self-tunable compound bow including: a bow main body including a pair of limbs that are respectively coupled to both ends of a handle; upper and lower pulley assemblies that are respectively coupled to the rear end of each limb; a bowstring; and first and second cam cables that are wound around a cam of each of the upper and lower pulley assemblies as the bowstring is pulled. A contact pin is formed in one of the pulley assemblies, in which the contact pin is in contact with one limb when the bowstring is pulled, and an indicator is formed in the other of the pulley assemblies, in which the indicator is in contact with the other limb and moves when the bowstring is pulled in a guide hole formed in the pulley of the other of the pulley assemblies.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.