Tapping hammer for tapping test
US9222860B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 3, 2013 |
| Grant date | Dec 29, 2015 |
| Priority date | — |
| Expiry date | Mar 20, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2203/0039
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present invention provides a tapping hammer for tapping test, which can help a user to accurately control the tapping force during a tapping test. The tapping hammer comprises a hammerhead and a handle supporting the hammerhead, and further comprises an alarm, a power source and a conductor, a hollowed-out region is provided in the interior of the hammerhead, the hammerhead is elastically deformable and electrically connected to a first electrode of the power source; the conductor is fixed in the interior hollowed-out region, not electrically connected to the hammerhead while no tapping force is exerted on the hammerhead and electrically connected to the hammerhead while a tapping force larger than a certain amount is exerted on the hammerhead; a first electrode of the alarm is connected to the conductor, a second electrode of the alarm is connected to a second electrode of the power source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.