US3253440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rivet setting machine
Assignee: Judson L Thomson Manufacturing Co
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Filing: 1964-01-16
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Granted: 1966-05-31
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Expires: 1984-01-16
Abstract
No abstract record available.
Inventors
- 👤 Colin L Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:11
CPC Classifications
B; B21; B21J; B21J15/00; B21J15/10; B21J15/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
APPARATUS FOR CLINCHING RIVETS, SAID APPARATUS COMPRISING A STEM MOUNTED FOR RECIPROCAL AXIAL TRAVEL, AN ANVIL AXIALLY ALIGNED WITH SAID STEM, A PIVOTABLY MOUNTED ROCKER ARM HAVING A FIRST END LINKED TO SAID STEM AND A SECOND END LINKED TO AS PNEUMATIC CYLINDER, SAID CYLINDER COMPRISING A PISTON MEANS FOR APPLYING A FORCE IN A FIRSR DIRECTION THROUGH SAID ROCKER ARM TO SAID STEM WHEREBY SAID STEM MOVES IN A FIRST DIRECTION OF TRAVEL TOWARDS SAID ANVIL TO CLINCH A RIVET THEREBETWEEN. A RESILIENTLY YIELDABLE SPRING ME ANS MOUNTING SAID CYLINDER AND RESPOSIVE TO A PREDETERMINED REACTION FORCE ON SAID CYLINDER IN A SECOND DIRECTION OPPOSED TO SAID FIRST DIRECTION, A FORCE SENSITIVE MEANS OPERATIVELY ENGAGED WITH SAID SPRING MEANS FOR SENSING SAID PREDETERMINED REACTION FORCE ON SAID CYLINDER AND REVERSING DIRECTION OF TRAVEL OF SAID STEM WHEN SAID FORCE IS REACHED.
Claim 2
Dependent Claim
142 words
APPARATUS FOR CLINCHING RIVETS, SAID APPARATUS COMPRISING A STEM MOUNTED FOR RECIPROCAL AXIAL TRAVEL, AN ANVIL AXIALLY ALIGNED WITH SAID STEM, A PIVOTABLY MOUNTED ROCKER ARM HAVING A FIRST END LINKED TO SAID STEM AND A SECOND END LINKED TO AS PNEUMATIC CYLINDER, SAID CYLINDER COMPRISING A PISTON MEANS FOR APPLYING A FORCE IN A FIRSR DIRECTION THROUGH SAID ROCKER ARM TO SAID STEM WHEREBY SAID STEM MOVES IN A FIRST DIRECTION OF TRAVEL TOWARDS SAID ANVIL TO CLINCH A RIVET THEREBETWEEN. A RESILIENTLY YIELDABLE SPRING ME ANS MOUNTING SAID CYLINDER AND RESPOSIVE TO A PREDETERMINED REACTION FORCE ON SAID CYLINDER IN A SECOND DIRECTION OPPOSED TO SAID FIRST DIRECTION, A FORCE SENSITIVE MEANS OPERATIVELY ENGAGED WITH SAID SPRING MEANS FOR SENSING SAID PREDETERMINED REACTION FORCE ON SAID CYLINDER AND REVERSING DIRECTION OF TRAVEL OF SAID STEM WHEN SAID FORCE IS REACHED.
References Cited (Backward Citations)
US2578546A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |