Patent US3302148A successfully refreshed from Google Patents.
US3302148A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical load cell having a spring biased shaft
Assignee: W C DILLON AND CO Inc
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Filing: 1965-11-23
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Granted: 1967-01-31
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Expires: 1985-11-23
Abstract
No abstract record available.
Inventors
- 👤 Searle G Nevius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:15
CPC Classifications
G; G01; G01L; G01L1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
AN IMPROVED LOAD CELL, COMPRISING: A CASING HAVING A DIAPHRAGM PORTION DESIGNED TO FLEX UNDER LOAD; A SENSING UNIT MOUNTED WITHIN SAID CASING; SHAFT MEANS EXTENDING AXIALLY WITHIN SAID SENSING UNIT AND HAVING A SPHERICAL END PORTION; MEANS IN SAID DIAPHRAGM PORTION FOR RECEIVING SAID SPHERICAL END PORTION IN COMPLEMENTARY RELATIONSHIP; ELECTRICAL MEANS IN SAID SENSING UNIT FOR SENSING MOVEMENT OF SAID SHAFT MEANS IN RESPONSE TO MOVEMENT OF SAID DIAPHRAGM PORTION; ADJUSTMENT MEANS IN SAID SENSING UNIT FOR ADJUSTING THE AXIAL POSITION OF SAID SHAFT MEANS WITH RESPECT TO SAID ELECTRICAL MEANS; AND BIASING MEANS IN SAID SENSING UNIT FOR MAINTAINING SAID SPHERICAL END PORTION OF SAID SHAFT MEANS IN ENGAGEMENT WITH SAID DIAPHRAGM PORTION.
Claim 2
Dependent Claim
116 words
AN IMPROVED LOAD CELL, COMPRISING: A CASING HAVING A DIAPHRAGM PORTION DESIGNED TO FLEX UNDER LOAD; A SENSING UNIT MOUNTED WITHIN SAID CASING; SHAFT MEANS EXTENDING AXIALLY WITHIN SAID SENSING UNIT AND HAVING A SPHERICAL END PORTION; MEANS IN SAID DIAPHRAGM PORTION FOR RECEIVING SAID SPHERICAL END PORTION IN COMPLEMENTARY RELATIONSHIP; ELECTRICAL MEANS IN SAID SENSING UNIT FOR SENSING MOVEMENT OF SAID SHAFT MEANS IN RESPONSE TO MOVEMENT OF SAID DIAPHRAGM PORTION; ADJUSTMENT MEANS IN SAID SENSING UNIT FOR ADJUSTING THE AXIAL POSITION OF SAID SHAFT MEANS WITH RESPECT TO SAID ELECTRICAL MEANS; AND BIASING MEANS IN SAID SENSING UNIT FOR MAINTAINING SAID SPHERICAL END PORTION OF SAID SHAFT MEANS IN ENGAGEMENT WITH SAID DIAPHRAGM PORTION.
References Cited (Backward Citations)
US3084542A
Cited
US3092995A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |