Adjustable net post assembly used in ball games
US8147358B2 · kind B2 · utility
7Cited by
8References
7Claims
0Family size
Inventor
Key dates
| Filing date | Apr 4, 2010 |
| Grant date | Apr 3, 2012 |
| Priority date | — |
| Expiry date | Nov 17, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B2225/093
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An adjustable net post assembly used in ball games comprises: an inner sleeve, an outer sleeve, a spring, an outer pipe and an inner pipe. By rotating the outer sleeve, the protrusion of the outer sleeve is moved to the first positioning portion or the second positioning portion the slot of the inner sleeve, so that the positioning protrusion of the positioning member will be disengaged from or engaged in the positioning hole of the inner pipe, which allows the inner pipe to be adjusted by being retracted or extended with respect to the outer pipe.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.