Touch signalling probe
US4279080A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 26, 1980 |
| Grant date | Jul 21, 1981 |
| Priority date | — |
| Expiry date | Aug 26, 2000 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01B7/012
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A touch signalling probe including a probe shaft having a touch sensor on its pointed end, an insulated contact base plate which is fixed to a probe case and has an aperture in its center through which the probe shaft can be penetrated, two sets of upper contact pair and two sets of lower contact pair attached on the upper and the reverse side of the insulated contact base plate, each set of which has two contact members, upper and lower contact arms fixed to the probe shaft and keeping contact with each of contact members, a probe tube slidingly moving along the probe shaft, a spring providing the urging force, and detecting lead wires connecting the respective contact members in series.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.