US3198303A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary impact tool
Assignee: Ingersoll Rand Co
•
Filing: 1964-01-06
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Granted: 1965-08-03
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Expires: 1984-01-06
Abstract
No abstract record available.
Inventors
- 👤 Christopher K Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:58
CPC Classifications
B; B25; B25B; B25B21/00; B25B21/02; B25B21/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
A ROTARY IMPACT TOOL COMPRISING: (A) A CASING; (B) A ROTARY MOTOR IN SAID CASING; (C) A MOTOR AND A ROTOR DRIVEN BY SAID MOTOR; (D) AN ANVIL MEMBER ROTATABLY MOUNTED ON SAID CASING ADJACENT SAID ROTOR AND HAVING A SPINDLE ADAPTED TO APPLY A SERIES OF ROTARY IMPACTS TO A WORKPIECE; (E) AN ANVIL TOOTH INTEGRALLY FIXED ON SAID ANVIL MEMBER ADAPTED TO RECEIVE ROTARY IMPACTS (F) A HAMMER MEMBER INCLUDING AN INTEGRAL HAMMER TOOTH, MEANS MOUNTING SAID HAMMER TOOTH ON SAID ROTOR IN A MANNER CAUSING THE HAMMER MEMBER TO ROTATE WITH THE ROTOR AND ALLOWING THE HAMMER MEMBER TO MOVE SAID ROTOR TOWARD AND AWAY FROM SAID ANVIL MEMBER BETWEEN ALTERNATE PORTIONS, ONE POSITION BEING AN IMPACT POSITION WHEREIN THE HAMMER TOOTH IS LOCATED TO STRIKE SAID ANVIL TOOTH AS SAID ROTOR TURNS AND THE OTHER POSITION BEING A NON-IMPACT POSITION WHEREIN THE HAMMER TOOTH CLEARS SAID ANVIL TOOTH AS THE ROTOR TURNS; (G) MEANS BIASING SAID HAMMER MEMBER TOWARD ITS IMPACT POSITION;
Claim 2
Dependent Claim
166 words
A ROTARY IMPACT TOOL COMPRISING: (A) A CASING; (B) A ROTARY MOTOR IN SAID CASING; (C) A MOTOR AND A ROTOR DRIVEN BY SAID MOTOR; (D) AN ANVIL MEMBER ROTATABLY MOUNTED ON SAID CASING ADJACENT SAID ROTOR AND HAVING A SPINDLE ADAPTED TO APPLY A SERIES OF ROTARY IMPACTS TO A WORKPIECE; (E) AN ANVIL TOOTH INTEGRALLY FIXED ON SAID ANVIL MEMBER ADAPTED TO RECEIVE ROTARY IMPACTS (F) A HAMMER MEMBER INCLUDING AN INTEGRAL HAMMER TOOTH, MEANS MOUNTING SAID HAMMER TOOTH ON SAID ROTOR IN A MANNER CAUSING THE HAMMER MEMBER TO ROTATE WITH THE ROTOR AND ALLOWING THE HAMMER MEMBER TO MOVE SAID ROTOR TOWARD AND AWAY FROM SAID ANVIL MEMBER BETWEEN ALTERNATE PORTIONS, ONE POSITION BEING AN IMPACT POSITION WHEREIN THE HAMMER TOOTH IS LOCATED TO STRIKE SAID ANVIL TOOTH AS SAID ROTOR TURNS AND THE OTHER POSITION BEING A NON-IMPACT POSITION WHEREIN THE HAMMER TOOTH CLEARS SAID ANVIL TOOTH AS THE ROTOR TURNS; (G) MEANS BIASING SAID HAMMER MEMBER TOWARD ITS IMPACT POSITION;
References Cited (Backward Citations)
US2339530A
Cited
US3070201A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |