US3190110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical spike pulse filter for shock machine
Assignee: Individual
•
Filing: 1962-11-26
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Granted: 1965-06-22
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Expires: 1982-11-26
Abstract
No abstract record available.
Inventors
- 👤 Lester V Craycraft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:57
CPC Classifications
G; G01; G01N; G01N3/00; G01N3/30; G01N3/303
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
IN A SHOCK MACHINE OF THE DROP CARRIAGE DESIGN, FOR PRODUCING SQUARE WAVES AND THE LIKE HAVING AN ANVIL BASE, VERTICAL GUIDE RAILS AND DROP CARRIAGE UPON WHICH SPECIMENS TO BE SHOCK TESTED ARE MOUNTED, THE IMPROVEMENTS FOR ELIMINATING THE EFFECTS OF UNDESIRABLE SPIKE ACCELERATIONS ON THE TEST SPECIMENS COMPRISING: (A) AN ADAPTER PLATE MOUNTED ON SAID DROP CARRIAGE UPON WHICH A SPECIMEN TO BE TESTED CAN BE ATTACHED THERETO, (B) AN ISOLATOR FILTER PAD MOUNTED IN BETWEEN AND SEPARATING SAID ADAPTER PLATE FROM THE CARRIAGE, (C) AN ACCELEROMETER ATTACHED TO SAID ADAPTER PLATE THE OUTPUT OF WHICH IS USED FOR RECORDING THE SHOCK WAVE TRANSMITTED TO SAID ADAPTER PLATE AND ANY SPECIMEN MOUNTED THEREON, (D) SAID ADAPTER PLATE AND ISOLATOR PAD FORMING A MECHANICAL FILTER FOR THE DROP CARRIAGE FOR FILTERING OUT UNWANTED SPIKE ACCELERATION WHILE MAINTAINING THE DESIRED HIGH RISE TIME SHOCK PULSE PATTERN.
Claim 2
Dependent Claim
146 words
IN A SHOCK MACHINE OF THE DROP CARRIAGE DESIGN, FOR PRODUCING SQUARE WAVES AND THE LIKE HAVING AN ANVIL BASE, VERTICAL GUIDE RAILS AND DROP CARRIAGE UPON WHICH SPECIMENS TO BE SHOCK TESTED ARE MOUNTED, THE IMPROVEMENTS FOR ELIMINATING THE EFFECTS OF UNDESIRABLE SPIKE ACCELERATIONS ON THE TEST SPECIMENS COMPRISING: (A) AN ADAPTER PLATE MOUNTED ON SAID DROP CARRIAGE UPON WHICH A SPECIMEN TO BE TESTED CAN BE ATTACHED THERETO, (B) AN ISOLATOR FILTER PAD MOUNTED IN BETWEEN AND SEPARATING SAID ADAPTER PLATE FROM THE CARRIAGE, (C) AN ACCELEROMETER ATTACHED TO SAID ADAPTER PLATE THE OUTPUT OF WHICH IS USED FOR RECORDING THE SHOCK WAVE TRANSMITTED TO SAID ADAPTER PLATE AND ANY SPECIMEN MOUNTED THEREON, (D) SAID ADAPTER PLATE AND ISOLATOR PAD FORMING A MECHANICAL FILTER FOR THE DROP CARRIAGE FOR FILTERING OUT UNWANTED SPIKE ACCELERATION WHILE MAINTAINING THE DESIRED HIGH RISE TIME SHOCK PULSE PATTERN.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |