Gauges for testing sand in or for golf course sand bunkers
US6536263B1 · kind B1 · utility
12Cited by
1References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 23, 2000 |
| Grant date | Mar 25, 2003 |
| Priority date | — |
| Expiry date | Jun 23, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B2225/02
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A sand penetrability gauge for golf course bunker sand, having a probe shaft for penetrating into bulk sand, a weight or spring for reproducibly applying force to advance the probe shaft into bulk sand, the probe shaft being movably connected to the weight or spring, and measuring indicia associated with the probe shaft for measuring displacement of the probe shaft, with a cross-sectional area of the probe shaft and the force of the weight or spring selected so that the measuring indicia will provide a displacement measurement when the probe is driven into golf course sand bunker sand.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.