Panoramic view bore examining apparatus
US4566789A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 18, 1983 |
| Grant date | Jan 28, 1986 |
| Priority date | — |
| Expiry date | Jul 18, 2003 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01B9/08
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A bore examining apparatus comprises an article support, a reflector support on one side of the article support, a microscope body or other magnifying means on the other side of the article support, and a reflector mountable on the reflector support. The reflector is configured with a convex reflecting surface forming a solid of revolution about an axis coaxial with respect to the longitudinal axis of the bore being examined, the reflector facing the through hole when supported on the reflector support, so that the reflected image of the bore is directed towards the microscope and produces therein a 360.degree. panoramic view of the interior walls of the bore. The article support means is movable relative to the reflector support and magnifying means so as to move the viewing field along the bore.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.