Patent US4090558A successfully refreshed from Google Patents.
Patent US3100982A successfully refreshed from Google Patents.
US3100982A
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Controlled shock or impact testing fixture
Assignee: Individual
•
Filing: 1960-12-28
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Granted: 1963-08-20
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Expires: 1980-12-28
Abstract
No abstract record available.
Inventors
- 👤 Clarence W Cutler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:06
CPC Classifications
G; G01; G01N; G01N3/00; G01N3/30; G01N3/303
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
SHOCK TESTING APPARATUS FOR PRODUCING SHOCK PATTERN WITH SEPARATE CONTROL OF RISE TIME WITH RESPECT TO DWELL TIME FOR USE WITH A DROP TOWER HAVING A CARRIAGE ON WHICH A TEST SPECIMEN IS MOUNTED FOR SHOCK TESTING AND GUIDE MEANS FOR GUIDING SAID CARRIAGE IN FREE FALL WHEN ALLOWED TO FALL FROM SAID TOWER COMPRISIN, A FIXED BLADE EXTENDING DOWNWARD FROM THE UNDERSIDE OF SAID CARRIAGE, SAID BLADE BEING TAPERED AT ITS LOWER END AND HAVING A FRICTION RUBBING SURFACE THEREABOUT, A TIGHTLY FITTING FRICTION SCABBARD INTO WHICH SAID BLADE ENTERS AS SAID CARRIAGE APPROACHES THE END OF A FREE FALL, SAID SCABBARD MOUNTED AT THE BASE OF SAID DROP TOWER AND A PRESSURE SENSING MEANS BETWEEN SAID SCABBARD AND THE BASE OF SAID DROP TOWER FOR RECORDING THE SHOCK PATTERN OF IMPACT AT THE END OF A FREE FALL OF CARRIAGE AND TEST SPECIMEN.
Claim 2
Dependent Claim
145 words
SHOCK TESTING APPARATUS FOR PRODUCING SHOCK PATTERN WITH SEPARATE CONTROL OF RISE TIME WITH RESPECT TO DWELL TIME FOR USE WITH A DROP TOWER HAVING A CARRIAGE ON WHICH A TEST SPECIMEN IS MOUNTED FOR SHOCK TESTING AND GUIDE MEANS FOR GUIDING SAID CARRIAGE IN FREE FALL WHEN ALLOWED TO FALL FROM SAID TOWER COMPRISIN, A FIXED BLADE EXTENDING DOWNWARD FROM THE UNDERSIDE OF SAID CARRIAGE, SAID BLADE BEING TAPERED AT ITS LOWER END AND HAVING A FRICTION RUBBING SURFACE THEREABOUT, A TIGHTLY FITTING FRICTION SCABBARD INTO WHICH SAID BLADE ENTERS AS SAID CARRIAGE APPROACHES THE END OF A FREE FALL, SAID SCABBARD MOUNTED AT THE BASE OF SAID DROP TOWER AND A PRESSURE SENSING MEANS BETWEEN SAID SCABBARD AND THE BASE OF SAID DROP TOWER FOR RECORDING THE SHOCK PATTERN OF IMPACT AT THE END OF A FREE FALL OF CARRIAGE AND TEST SPECIMEN.
References Cited (Backward Citations)
US2539418A
Cited
US2499033A
Cited
FR1143703A
Cited
US2940552A
Cited
US2982122A
Cited
US2997025A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-19 | 1967-02-18 | 1967-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-19 | 1971-02-18 | 1971-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-19 | 1975-02-18 | 1975-08-20 | $7700.00 | Window Closed / Lapsed |