Patent USRE26668E successfully refreshed from Google Patents.
US3246502A
Expired / Lapsed
US
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Speed hammer swaging machine
Assignee: Individual
•
Filing: 1962-11-19
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Granted: 1966-04-19
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Expires: 1982-11-19
Abstract
No abstract record available.
Inventors
- 👤 Brignoli Silvio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:26
CPC Classifications
B; B21; B21J; B21J7/00; B21J7/02; B21J7/14; B21C; B21C5/00; B21C5/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A SPEED-HAMMER SWAGING MACHINE COMPRISING A HOUSING HAVING FRONT AND REAR WALLS, ONE WALL HAVING AN OPENING FOR POSITIONING A WORK PIECE THEREON, A DRIVE SHAFT, A PLURALITY OF HAMMER SHAFTS, EACH HAVING AN ECCENTRIC PORTION, A HAMMER MOUNTED ON EACH SAID ECCENTRIC PORTION FOR RECIPROCATION THEREBY, DIES DETACHABLY CONNECTED TO THE HAMMERS, FOR STRIKING A WORK PIECE INSERTED THROUGH SAID OPENING INTO SAID HOUSING, SAID HAMMERS AND SAID DIES BEING SPACED FROM SAID WALLS TO ELIMINATE FRICTIONAL CONTACT THEREWITH, AND GUIDE MEANS FOR SAID DIES CONSTRAINING THEM TO MOVE IN A STRAIGHT LINE PATH AND ORIENTED TO GUIDE THE DIES TOWARD AND AWAY FROM THE WORK WITH NO LATERAL COMPONENT OF MOTION.
Claim 2
Dependent Claim
113 words
A SPEED-HAMMER SWAGING MACHINE COMPRISING A HOUSING HAVING FRONT AND REAR WALLS, ONE WALL HAVING AN OPENING FOR POSITIONING A WORK PIECE THEREON, A DRIVE SHAFT, A PLURALITY OF HAMMER SHAFTS, EACH HAVING AN ECCENTRIC PORTION, A HAMMER MOUNTED ON EACH SAID ECCENTRIC PORTION FOR RECIPROCATION THEREBY, DIES DETACHABLY CONNECTED TO THE HAMMERS, FOR STRIKING A WORK PIECE INSERTED THROUGH SAID OPENING INTO SAID HOUSING, SAID HAMMERS AND SAID DIES BEING SPACED FROM SAID WALLS TO ELIMINATE FRICTIONAL CONTACT THEREWITH, AND GUIDE MEANS FOR SAID DIES CONSTRAINING THEM TO MOVE IN A STRAIGHT LINE PATH AND ORIENTED TO GUIDE THE DIES TOWARD AND AWAY FROM THE WORK WITH NO LATERAL COMPONENT OF MOTION.
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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) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |