US3340726A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamic force measurement instrument
Assignee: Individual
•
Filing: 1965-01-29
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Granted: 1967-09-12
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Expires: 1985-01-29
Abstract
No abstract record available.
Inventors
- 👤 Raymond N Armstrong
- 👤 Chester T Kedzior
- 👤 Richard A Lee
- 👤 Pradko Fred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:57
CPC Classifications
G; G01; G01L; G01L5/00; G01L5/16; G01L5/161; G01L5/1627
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
TEST APPARATUS FOR USE WITH A FOUR-DEGREE-OF-FREEDOM TYPE TESTING MACHINE VIBRATOR TO MEASURE PITCH, ROLL AND VERTICAL MOVEMENT ABOUT A RECTANGULAR CARTESIAN COORDINATE AXIS SYSTEM, AND COMPRISING: A BASE MEMBER ADAPTED TO BE SUPPORTED ON THE TESTING MACHINE, A HORIZONTAL PLATE MEMBER MOUNTED ON SAID BASE MEMBER FOR MOVEMENT WITH RESPECT THERETO, TWO PAIR OF FLEXIBLE CANTILEVER BEAMS HAVING THEIR FIXED ENDS SECURED TO SAID BASE MEMBER FOR MOVEMENT TOWARD AND AWAY FROM SAID BASE MEMBER, SUPPORT MEMBERS RIGIDLY ATTACHED TO SAID BEAMS AND SAID PLATE MEMBER PROVIDING LINE-CONTACT FULCRUMS BETWEEN SAID PLATE AND SAID BEAMS, EACH PAIR OF SAID BEAMS BEING PARALLEL RESPECTIVELY TO ONE OF THE HORIZONTAL AXES OF THE COORDINATE SYSTEM, SAID BEAMS ARRANGED IN A COMMON HORIZONTAL PLANE WHILE BEING SYMMETRICAL ARRANGED ABOUT THE ORIGIN OF THE COORDINATE SYSTEM WHEREBY THE FIXED ENDS OF EACH OF SAID BEAMS ARE EQUIDISTANT FROM THE ORIGIN, AND TRANSDUCER MEANS SECURED TO EACH OF SAID BEAMS FOR MEASURING THE PITCH, ROLL AND VERTICAL MOVEMENT OF SAID PLATE MEMBER.
Claim 2
Dependent Claim
168 words
TEST APPARATUS FOR USE WITH A FOUR-DEGREE-OF-FREEDOM TYPE TESTING MACHINE VIBRATOR TO MEASURE PITCH, ROLL AND VERTICAL MOVEMENT ABOUT A RECTANGULAR CARTESIAN COORDINATE AXIS SYSTEM, AND COMPRISING: A BASE MEMBER ADAPTED TO BE SUPPORTED ON THE TESTING MACHINE, A HORIZONTAL PLATE MEMBER MOUNTED ON SAID BASE MEMBER FOR MOVEMENT WITH RESPECT THERETO, TWO PAIR OF FLEXIBLE CANTILEVER BEAMS HAVING THEIR FIXED ENDS SECURED TO SAID BASE MEMBER FOR MOVEMENT TOWARD AND AWAY FROM SAID BASE MEMBER, SUPPORT MEMBERS RIGIDLY ATTACHED TO SAID BEAMS AND SAID PLATE MEMBER PROVIDING LINE-CONTACT FULCRUMS BETWEEN SAID PLATE AND SAID BEAMS, EACH PAIR OF SAID BEAMS BEING PARALLEL RESPECTIVELY TO ONE OF THE HORIZONTAL AXES OF THE COORDINATE SYSTEM, SAID BEAMS ARRANGED IN A COMMON HORIZONTAL PLANE WHILE BEING SYMMETRICAL ARRANGED ABOUT THE ORIGIN OF THE COORDINATE SYSTEM WHEREBY THE FIXED ENDS OF EACH OF SAID BEAMS ARE EQUIDISTANT FROM THE ORIGIN, AND TRANSDUCER MEANS SECURED TO EACH OF SAID BEAMS FOR MEASURING THE PITCH, ROLL AND VERTICAL MOVEMENT OF SAID PLATE MEMBER.
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) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |