US3370655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tools for driving anchor studs
Assignee: Dibotec AG
•
Filing: 1966-03-01
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Granted: 1968-02-27
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Expires: 1986-03-01
Abstract
No abstract record available.
Inventors
- 👤 Chromy Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:08
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/107; B23B31/1072; B23B31/10741; B23B51/00; B23B51/12; B25; B25D; B25D17/00; B25D17/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A PERCUSSION TOOL FOR DRIVING SELF-DRILLING ANCHOR STUDS AND LIKE FASTENERS COMPRISING A PERCUSSION MEMBER, A ROTARY SHAFT, A CHUCK FOR HOLDING A FASTENER TO BE DRIVEN AND A CONNECTOR CONNECTING SAID CHUCK TO SAID ROTARY SHAFT, SAID CONNECTOR COMPRISING TWO CONCENTRIC MEMBERS, A FIRST ONE OF WHICH IS CONNECTED TO SAID ROTARY SHAFT SO AS TO BE ACTED UPON BY SAID PERCUSSION MEMBER AND A SECOND ONE OF WHICH HAS SAID CHUCK CONNECTED THERETO, AND A COUPLING MEMBER MOUNTED TO SLIDE LONGITUDINALLY OF SAID CONCENTRIC MEMBERS AND HAVING SURFACES INTERLOCKING WITH SAID MEMBERS, SAID COUPLING MEMBER BEING SHIFTABLE BETWEEN A COUPLING POSITION ENGAGING BOTH MEMBERS WHEREIN IT COUPLES SAID TWO CONCENTRIC MEMBERS FOR ROTATION TOGETHER AND AN UNCOUPLING POSITION ENGAGING ONE MEMBER ONLY WHEREIN SAID TWO CONCENTRIC MEMBERS ARE FREE TO ROTATE ONE RELATIVE TO THE OTHER.
Claim 2
Dependent Claim
138 words
A PERCUSSION TOOL FOR DRIVING SELF-DRILLING ANCHOR STUDS AND LIKE FASTENERS COMPRISING A PERCUSSION MEMBER, A ROTARY SHAFT, A CHUCK FOR HOLDING A FASTENER TO BE DRIVEN AND A CONNECTOR CONNECTING SAID CHUCK TO SAID ROTARY SHAFT, SAID CONNECTOR COMPRISING TWO CONCENTRIC MEMBERS, A FIRST ONE OF WHICH IS CONNECTED TO SAID ROTARY SHAFT SO AS TO BE ACTED UPON BY SAID PERCUSSION MEMBER AND A SECOND ONE OF WHICH HAS SAID CHUCK CONNECTED THERETO, AND A COUPLING MEMBER MOUNTED TO SLIDE LONGITUDINALLY OF SAID CONCENTRIC MEMBERS AND HAVING SURFACES INTERLOCKING WITH SAID MEMBERS, SAID COUPLING MEMBER BEING SHIFTABLE BETWEEN A COUPLING POSITION ENGAGING BOTH MEMBERS WHEREIN IT COUPLES SAID TWO CONCENTRIC MEMBERS FOR ROTATION TOGETHER AND AN UNCOUPLING POSITION ENGAGING ONE MEMBER ONLY WHEREIN SAID TWO CONCENTRIC MEMBERS ARE FREE TO ROTATE ONE RELATIVE TO THE OTHER.
References Cited (Backward Citations)
US1480021A
Cited
US2070140A
Cited
US2484471A
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US2918290A
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US2968960A
Cited
US3171286A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |