Patent US3309922A successfully refreshed from Google Patents.
US3309922A
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Constant moment load cell
Assignee: SCHAEVITZ BYTREX CORP
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Filing: 1964-10-09
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Granted: 1967-03-21
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Expires: 1984-10-09
Abstract
No abstract record available.
Inventors
- 👤 Green Malcolm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:27
CPC Classifications
G; G01; G01L; G01L1/00; G01L1/20; G01L1/22; G01L1/2206; G01L1/2218
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
186 words
A LOAD CELL COMPRISING, IN COMBINATION: (A) A BEAM MEMBER HAVING (A) A HORIZONTALLY EXTENDING BEAM, AND, (B) VERTICALLY EXTENDING POSTS AT OPPOSITE ENDS OF SAID BEAM; (B) A BASE STRUCTURE; (C) A FIRST ELONGATED HORIZONGAL TORSION MEMBER ASSOCIATED WITH EACH OF SAID POSTS, SAID FIRST TORSION MEMBERS (A) EXTENDING PARALLEL TO EACH OTHER AND (B) SUBSTANTIALLY NORMAL TO THE LENGTHWISE AXIS OF SAID BEAM, AND (C) EACH BEING (1) ANCHORED AT A FIRST POINT THEREON TO SAID BASE STRUCTURE, AND (2) RIGIDLY CONNECTED AT ANOTHER POINT THEREON SPACED THEREALONG FROM SAID FIRST POINT TO A VERTICAL FACE OF A RESPECTIVE ONE OF SAID POSTS, (D) MEANS OPERATIVE TO SENSE DEFLECTION OF SAID BEAM OUT OF THE PLANE OF THE LONGITUDINAL AXES OF SAID BEAM AND SAID TORSION MEMBERS, WHEREBY UPON APPLICATION OF A LOAD TO SAID BEAM MEMBER IN A DIRECTION SUBSTANTIALLY NORMAL TO SAID PLANE SAID TORSION MEMBERS TWIST BETWEEN SAID POINTS TO ALLOW DEFLECTION OF SAID BEAM OUT OF SAID PLANE AND THIS DEFLECTION IS SENSED TO PRODUCE A LOAD SIGNAL; (E) A RIGID HORIZONTALLY DISPOSED PLATE PRESENTING A LOAD RECEIVING SURFACE; AND
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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) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |