US3208568A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impact tool
Assignee: Ingersoll Rand Co
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Filing: 1962-06-22
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Granted: 1965-09-28
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Expires: 1982-06-22
Abstract
No abstract record available.
Inventors
- 👤 Jack S Vaughn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:40
CPC Classifications
B; B25; B25B; B25B21/00; B25B21/02; B25B21/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
199 words
AN IMPACT TOOL COMPRISING: (A) A FRAME; (B) A HAMMER ROTATIVELY MOUNED IN SAID FRAME FOR ROTATION ABOUT A HAMMER AXIS AND HAVING A PLURALITY OF AXIALLY MOVABLE CLUTCH JAWS; (C) POWER MEANS CONNECTED TO SAID HAMMER TO ROTATIVELY DRIVE IT; (D) AN ANVIL ROTATIVELY MOUNTED IN SAID FRAME IN AXIAL ALIGNMENT WITH SAID HAMMER AND HAVING A PLURALITY OF CLUTCH JAWS ADAPTED TO BE PERIODICALLY ENGAGED BY THE HAMMER CLUTCH JAWS; (E) MEANS INCLUDING A PAIR OF CAM ELEMENTS FOR PERIODICALLY THROWING SAID HAMMER CLUTCH JAWS AXIALLY TOWARD SAID ANVIL A PREDETERMINED AXIAL DISTANCE SUFFICIENT TO CAUSE THEM TO ROTATIVELY IMPACT THE ANVIL CLUTH JAWS; (F) MEANS MOUNTING ONE CAM ELEMENT ON SAID HAMMER TO ROTATE WITH IT AND PREVENTING THE ONE CAM ELEMENT FROM ROTATING RELATIVE TO THE HAMMER; (G) MEANS MOUNTING THE OTHER CAM ELEMENT ON SAID ANVIL TO ROTATE WITH IT AND PREVENIGN THE OTHER CAM ELEMENT FROM ROTATING RELATIVE TO THE ANVIL; AND (H) SAID CAM ELEMENTS HAVING PEAKS ANGULARLY LOCATED ABOUT SAID HAMMER AXIS RELATIVE TO EACH OTHER WHERE THEY WILL ENGAGE EACH OTHER PEAK-TO-PEAK AND THRUST SAID HAMMER CLUTCH JAWS AXIALLY TOWARD SAID ANVIL WHEN EACH HAMMER CLUTCH JAW IS ANGULARLY LOCATED
Claim 2
Dependent Claim
199 words
AN IMPACT TOOL COMPRISING: (A) A FRAME; (B) A HAMMER ROTATIVELY MOUNED IN SAID FRAME FOR ROTATION ABOUT A HAMMER AXIS AND HAVING A PLURALITY OF AXIALLY MOVABLE CLUTCH JAWS; (C) POWER MEANS CONNECTED TO SAID HAMMER TO ROTATIVELY DRIVE IT; (D) AN ANVIL ROTATIVELY MOUNTED IN SAID FRAME IN AXIAL ALIGNMENT WITH SAID HAMMER AND HAVING A PLURALITY OF CLUTCH JAWS ADAPTED TO BE PERIODICALLY ENGAGED BY THE HAMMER CLUTCH JAWS; (E) MEANS INCLUDING A PAIR OF CAM ELEMENTS FOR PERIODICALLY THROWING SAID HAMMER CLUTCH JAWS AXIALLY TOWARD SAID ANVIL A PREDETERMINED AXIAL DISTANCE SUFFICIENT TO CAUSE THEM TO ROTATIVELY IMPACT THE ANVIL CLUTH JAWS; (F) MEANS MOUNTING ONE CAM ELEMENT ON SAID HAMMER TO ROTATE WITH IT AND PREVENTING THE ONE CAM ELEMENT FROM ROTATING RELATIVE TO THE HAMMER; (G) MEANS MOUNTING THE OTHER CAM ELEMENT ON SAID ANVIL TO ROTATE WITH IT AND PREVENIGN THE OTHER CAM ELEMENT FROM ROTATING RELATIVE TO THE ANVIL; AND (H) SAID CAM ELEMENTS HAVING PEAKS ANGULARLY LOCATED ABOUT SAID HAMMER AXIS RELATIVE TO EACH OTHER WHERE THEY WILL ENGAGE EACH OTHER PEAK-TO-PEAK AND THRUST SAID HAMMER CLUTCH JAWS AXIALLY TOWARD SAID ANVIL WHEN EACH HAMMER CLUTCH JAW IS ANGULARLY LOCATED
References Cited (Backward Citations)
US2825436A
Cited
US2881884A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |