No tool detection system and tool holder
Abstract
Abstract A "NO TOOL," "BROKEN TOOL" OR "IMPROPERLY SET TOOL" DETECTION DEVICE FOR USE WITH TAPS, DRILLS, REAMERS, BORING TOOLS, COUNTER BORES AND MILLING CUTTERS WHICH INCLUDES A TOOL HOLDER AND A MOVABLE SHELL THEREON NORMALLY BIASED OUTWARDLY OF EACH OTHER, WITH A RADIOACTIVE ELEMENT ON THE HOLDER AND THE SHELL NORMALLY SPACED FROM THE RADIOACTIVE ELMENT, IN CONJUNCTION WITH A RADIATION DETECTION SYSTEM WHEREBY UPON COMPRESSIVE ENGAGEMENT OF THE TOOL WITH A WORK PIECE DUE TO ITS LONGITUDINAL FEED, THERE WILL BE A RELATIVE MOVEMENT OF THE TOOL HOLDER AND SHELL SUCH AS WILL POSITION SAID SHELL TO PROTECTIVELY ENCLOSE SAID RADIATION ELEMENT, SAID RELATIVE MOVEMENT BEING PREVENTED WHEN THERE IS "NO TOOL," "A BROKEN TOOL" OR AN "IMPROPERLY SET TOOL", AND THE METHOD OF PROVIDING SAID DETECTION SYSTEM.
Inventors
- 👤 Theodore M Smith
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |