Contact sensor for workpiece calipering
US3945124A · kind A · utility
79Cited by
3References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 24, 1974 |
| Grant date | Mar 23, 1976 |
| Priority date | — |
| Expiry date | Oct 24, 1994 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01B5/012
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A sensor for calipering workpieces having one spring parallelogram for Apr. motion in each coordinate axis wherein additional spring means vary the spring constant in at least one of the spring parallelograms. The spring means include two coil springs acting in opposition to one another having between the opposed ends intermediate spring bolts, ball stops between the heads of the bolts and a bending rod with a ball at the end thereof acting on the heads of the bolts to compress the coil springs while being held without play by the ball stops.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.