US3240055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drawbench load cell
Assignee: Calumet and Hecla Inc
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Filing: 1963-09-16
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Granted: 1966-03-15
•
Expires: 1983-09-16
Abstract
No abstract record available.
Inventors
- 👤 Fletcher C Eddens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:05
CPC Classifications
G; G01; G01L; G01L5/00; G01L5/0061; G01L5/0076
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
A LOAD CELL FOR USE IN CONJUNCTION WITH A DIE STAND HAVING AN OPENING THEREIN SHOULDERED AT ITS FORWARD END TO PROVIDE ABUTMENT MEANS FOR THE RECEPTION OF A CORRESPONDINGLY SHAPED AND DIMENSIONED DIE CASE, COMPRISING A TUBULAR COMPRESSION MEMBER DIMENSIONED TO FIT WITHIN THE DIE OPENING, A TUBULAR DIE SUPPORT ELEMENT WITHIN THE TUBULAR COMPRESSION MEMBER, MEANS CONNECTING ADJACENT END PORTIONS AT THE REAR OF SAID COMPRESSION MEMBER AND DIE SUPPORT ELEMENT TOGETHER WITH AN ANNULAR CLEARANCE SPACE THEREBETWEEN FORWARDLY OF THE CONNECTED REAR END PORTIONS THEREOF, A SHOULDER AT THE FORWARD END OF THE DIE SUPPORT ELEMENT ENGAGEABLE WITH THE FORWARD FACE OF A DIE, AND STRAIN GAUGE MEANS FOR MEASURING ELONGATION OF SAID DIE SUPPORT ELEMENT DUE TO TENSILE STRESS APPLIED THERETO DURING THE DRAW OPERATION, SAID STRAIN GAUGE MEANNS BEING ATTACHED TO THE OUTER SURFACE OF SAID DIE SUPPORT ELEMENT WITHIN THE ANNULAR CLEARANCE SPACE BETWEEN SAID COMPRESSION MEMBER AND SAID DIE SUPPORT ELEMENT.
Claim 2
Dependent Claim
158 words
A LOAD CELL FOR USE IN CONJUNCTION WITH A DIE STAND HAVING AN OPENING THEREIN SHOULDERED AT ITS FORWARD END TO PROVIDE ABUTMENT MEANS FOR THE RECEPTION OF A CORRESPONDINGLY SHAPED AND DIMENSIONED DIE CASE, COMPRISING A TUBULAR COMPRESSION MEMBER DIMENSIONED TO FIT WITHIN THE DIE OPENING, A TUBULAR DIE SUPPORT ELEMENT WITHIN THE TUBULAR COMPRESSION MEMBER, MEANS CONNECTING ADJACENT END PORTIONS AT THE REAR OF SAID COMPRESSION MEMBER AND DIE SUPPORT ELEMENT TOGETHER WITH AN ANNULAR CLEARANCE SPACE THEREBETWEEN FORWARDLY OF THE CONNECTED REAR END PORTIONS THEREOF, A SHOULDER AT THE FORWARD END OF THE DIE SUPPORT ELEMENT ENGAGEABLE WITH THE FORWARD FACE OF A DIE, AND STRAIN GAUGE MEANS FOR MEASURING ELONGATION OF SAID DIE SUPPORT ELEMENT DUE TO TENSILE STRESS APPLIED THERETO DURING THE DRAW OPERATION, SAID STRAIN GAUGE MEANNS BEING ATTACHED TO THE OUTER SURFACE OF SAID DIE SUPPORT ELEMENT WITHIN THE ANNULAR CLEARANCE SPACE BETWEEN SAID COMPRESSION MEMBER AND SAID DIE SUPPORT ELEMENT.
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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |