US3112487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Explosively actuated stud driving apparatus
Assignee: Anstalt fuer Montage Technik
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Filing: 1962-01-30
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Granted: 1963-12-03
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Expires: 1982-01-30
Abstract
No abstract record available.
Inventors
- 👤 Hilti Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:33
CPC Classifications
B; B25; B25C; B25C1/00; B25C1/08; B25C1/10; B25C1/14; B25C1/146
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
STUD-DRIVING APPARATUS COMPRISING GUIDE MEANS DEFINING AN ENCLOSED SLIDEWAY, A HAMMER MEMBER SLIDABLY MOUNTED IN SAID GUIDE MEANS FOR DRIVING A STUD INTO A WORKPIECE, A PISTON MEMBER SLIDABLY MOUNTED IN SAID GUIDE MEANS ABOVE SAID HAMMER MEMBER, ONE OF SAID MEMBERS HAVING MEANS TO FIRE A CARTRIDGE CARRIED BY THE OTHER MEMBER FOR PROPELLING SAID HAMMER MEMBER AGAINST THE STUD, MEANS CONNECTED TO SAID GUIDE MEANS AND FORMING A GAS EXPANSION CHAMBER, FIRST PASSAGE MEANS CONNECTING THE LOWER INTERIOR OF SAID SLIDEWAY TO SAID CHAMBER TO DIRECT THE CARTRIDGE COMBUSTION GASES INTO SAID CHAMBER, AND SECOND PASSAGE MEANS CONNECTING SAID CHAMBER AND THE UPPER INTERIOR OF SAID SLIDEWAY TO PERMIT COMBUSTION GASES TO ESCAPE FROM SAID CHAMBER TO REENTER THE INTERIOR OF THE SLIDEWAY.
Claim 2
Dependent Claim
125 words
STUD-DRIVING APPARATUS COMPRISING GUIDE MEANS DEFINING AN ENCLOSED SLIDEWAY, A HAMMER MEMBER SLIDABLY MOUNTED IN SAID GUIDE MEANS FOR DRIVING A STUD INTO A WORKPIECE, A PISTON MEMBER SLIDABLY MOUNTED IN SAID GUIDE MEANS ABOVE SAID HAMMER MEMBER, ONE OF SAID MEMBERS HAVING MEANS TO FIRE A CARTRIDGE CARRIED BY THE OTHER MEMBER FOR PROPELLING SAID HAMMER MEMBER AGAINST THE STUD, MEANS CONNECTED TO SAID GUIDE MEANS AND FORMING A GAS EXPANSION CHAMBER, FIRST PASSAGE MEANS CONNECTING THE LOWER INTERIOR OF SAID SLIDEWAY TO SAID CHAMBER TO DIRECT THE CARTRIDGE COMBUSTION GASES INTO SAID CHAMBER, AND SECOND PASSAGE MEANS CONNECTING SAID CHAMBER AND THE UPPER INTERIOR OF SAID SLIDEWAY TO PERMIT COMBUSTION GASES TO ESCAPE FROM SAID CHAMBER TO REENTER THE INTERIOR OF THE SLIDEWAY.
References Cited (Backward Citations)
US2773259A
Cited
FR1221131A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |