Probe manipulators for ultrasonic flaw detection apparatus
Abstract
Abstract ULTRASONIC FLAW TESTING APPARATUS IS DISCLOSED FOR DEALING WITH STEPPED OR OTHER DISCONTINUOUS SURFACES. THE PROBE CARRIAGE HAS INNER AND OUTER FORK MEMBERS SPRUNG APART WITH THE PROBE PIVOTALLY MOUNTED ACROSS THE LIMBS OF THE INNER FORK AND MAINTAINED IN A PREDETERMINED POSITION BY A BALANCE WEIGHT. WHEELS ARE MOUNTED AT THE ENDS OF THE LIMBS OF THE OUTER FORK FOR ENGAGEMENT WITH THE SURFACE OF THE SPECIMEN UNDER TEST THR PROBE BEING MAINTAINED IN A PREDETERMINED POSITION WITH RESPECT OF THE SUR- FACE BY THE SPRING BETWEEN THE FORKS AND THE BALANCE WEIGHT ACTING ON THE PIVOT. THE CARRIAGE IS SLIDABLY MOUNTED ON AN ARM AND IS URGED BY A SECOND SPRING AGAINST THE SURFACE, MICROSWITCHES CONTROLLING AN ELECTRIC MOTOR FOR MOVING THE ARM BEING ARRANGED TO BE ACTUATED WHEN THE LIMITS OF MOVEMENT UNDER CONTROL OF THE SECOND SPRING ARE EXCEEDED.
Inventors
- 👤 Edward Arthur Benjamin Bates
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-10-25 | 1975-04-26 | 1975-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-25 | 1979-04-26 | 1979-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-25 | 1983-04-26 | 1983-10-26 | $7700.00 | Window Closed / Lapsed |