Automatic carbon-replacing weather resistance testing apparatus
US4912365A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 18, 1989 |
| Grant date | Mar 27, 1990 |
| Priority date | — |
| Expiry date | Jan 18, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N17/004
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A carbon exchanging system for a carbon-arc weather resistance testing apparatus having a carbon drive system including a reversible motor for automatically moving upper and lower arc producing carbons toward and away from each other along a vertical line for keeping the discharge current and voltage substantially constant. The carbon exchanging system has remotely operable upper and lower carbon chucks for holding the upper and lower carbons, a carbon replacing device having a remotely operable exchanging chuck and a drive for moving the exchanging chuck along a path of movement toward and away from the upper and lower carbon chucks when they are in position on the vertical line, a shifting device for shifting the carbon drive system and the carbon replacing means relative to each other for moving the upper and lower chucks and the exchanging chuck laterally relative to the vertical line, a carbon supply adjacent the path of movement of the exchanging chuck for holding replacement carbons and moving them into position opposite a position of the exchanging chuck along the path, and a moving device for moving the exchanging chuck and the carbon supply relative to each other in a dir…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.