Patent US3214992A successfully refreshed from Google Patents.
US3214992A
Expired / Lapsed
US
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Tool driver attachment
Assignee: Individual
•
Filing: 1961-09-11
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Granted: 1965-11-02
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Expires: 1981-09-11
Abstract
No abstract record available.
Inventors
- 👤 Otto E Dietrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:38
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/14; B25B23/141; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19828
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
A TOOL DRIVER ATTACHMENT FOR COUPLING A UNIDIRECTIONAL SOURCE OF ROTARY POWER TO A TOOL TO BE DRIVEN THEREBY, COMPRISING: A HOLLOW BODY HAVING A LONGITUDINAL AXIS, A DRIVING WORM ROTATABLY MOUNTED IN SAID BODY TRANSVERSELY THERETO, DRIVABLE EXTENSIONS ATTACHED TO EACH END OF SAID WORM AND EXTENDING OUTWARDLY FROM SAID BODY, EACH OF SAID EXTENSIONS ADAPTED TO BE COUPLED TO SAID SOURCE OF ROTARY POWER, A WORM GEAR ROTATABLY MOUNTED IN SAID BODY ON SAID LONGITUDINAL AXIS AND MESHING WITH SAID WORM, A CHUCK FOR ENGAGING A TOOL ROTATABLY AND AXIALLY SLIDABLY RETAINED IN SAID BODY, CLUTCH JAWS ON EACH OF SAID WORM GEAR AND SAID CHUCK COMPLEMENTARILY SHAPED FOR MATING ENGAGEMENT, AND SPRING MEANS INTERPOSED BETWEEN SAID CHUCK AND SAID WORM GEAR FOR NORMALLY URGING SAID CLUTCH JAWS APART, WHEREBY SAID CHUCK CAN BE ROTATED IN EITHER DIRECTION BY A SOURCE OF ROTARY POWER WHICH IS CAPABLE OF ROTATING IN ONLY ONE DIRECTION.
Claim 2
Dependent Claim
155 words
A TOOL DRIVER ATTACHMENT FOR COUPLING A UNIDIRECTIONAL SOURCE OF ROTARY POWER TO A TOOL TO BE DRIVEN THEREBY, COMPRISING: A HOLLOW BODY HAVING A LONGITUDINAL AXIS, A DRIVING WORM ROTATABLY MOUNTED IN SAID BODY TRANSVERSELY THERETO, DRIVABLE EXTENSIONS ATTACHED TO EACH END OF SAID WORM AND EXTENDING OUTWARDLY FROM SAID BODY, EACH OF SAID EXTENSIONS ADAPTED TO BE COUPLED TO SAID SOURCE OF ROTARY POWER, A WORM GEAR ROTATABLY MOUNTED IN SAID BODY ON SAID LONGITUDINAL AXIS AND MESHING WITH SAID WORM, A CHUCK FOR ENGAGING A TOOL ROTATABLY AND AXIALLY SLIDABLY RETAINED IN SAID BODY, CLUTCH JAWS ON EACH OF SAID WORM GEAR AND SAID CHUCK COMPLEMENTARILY SHAPED FOR MATING ENGAGEMENT, AND SPRING MEANS INTERPOSED BETWEEN SAID CHUCK AND SAID WORM GEAR FOR NORMALLY URGING SAID CLUTCH JAWS APART, WHEREBY SAID CHUCK CAN BE ROTATED IN EITHER DIRECTION BY A SOURCE OF ROTARY POWER WHICH IS CAPABLE OF ROTATING IN ONLY ONE DIRECTION.
References Cited (Backward Citations)
DE485885C
Cited
FR684754A
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US2429569A
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US2618241A
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US2790471A
Cited
US2857997A
Cited
US2950626A
Cited
US3004569A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |