Ball launcher
US9115562B2 · kind B2 · utility
11Cited by
10References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 28, 2013 |
| Grant date | Aug 25, 2015 |
| Priority date | — |
| Expiry date | Nov 9, 2033 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/2607
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A ball launcher system is provided. In one embodiment, such a system includes a ball launcher having a rotatable sleeve installed within an internal bore of a hollow body. The hollow body has ball chutes extending from an external surface to the internal bore. The rotatable sleeve has one or more holes that can be sequentially aligned with the ball chutes by rotation of the sleeve to enable balls within the ball chutes to pass sequentially into a well through the one or more holes. Additional systems, devices, and methods are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.