US3087230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inserted bit clamping means
Assignee: OK Tool Co Inc
•
Filing: 1961-03-13
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Granted: 1963-04-30
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Expires: 1981-03-13
Abstract
No abstract record available.
Inventors
- 👤 Donald E Comire
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:37
CPC Classifications
B; B23; B23C; B23C5/00; B23C5/16; B23C5/20; B23C5/22; B23C5/2265; B23C5/2278; Y; Y10; Y10T; Y10T407/00; Y10T407/22; Y10T407/2222; Y10T407/2252; Y10T407/2256; Y10T407/2272; Y10T407/2282; Y10T407/2284; Y10T407/2286; Y10T407/23
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
INSERTED BIT CLAMPING MEANS COMPRISING A HOLDER HAVING A CYLINDRICAL RECESS, A RESILIENT CYLINDRICAL SLEEVE FITTING IN SAID RECESS, A CLAMP INCLUDING TWO SEMI-CYLINDRICAL PARTS FITTING SAID SLEEVE, THE PARTS HAVING OPPOSING FACES ONE OF WHICH HAS A BIT RECESS, ONE END OF THE BIT RECESS HAVING AN OUTLET AT ONE END OF THE CLAMP AND THE OTHER END OF THE RECESS COMPRISING A BIT SEAT FACING THE OUTLET, SAID SLEEVE BEING SPLIT LONGITUDINALLY ALONG ONE SIDE, MEANS TO PREVENT ROTATION OF THE CLAMP RELATIVE TO THE SLEEVE ABOUT THE AXIS OF THE SLEEVE, SAID SLEEVE HAVING A FLAT FACE ON ONE SIDE, AND A WEDGE MOVABLY MOUNTED IN THE HOLDER FOR ENGAGEMENT WITH SAID FACE FOR CAUSING SAID PARTS TO GRIP THE BIT THEREBETWEEN AND TO PREVENT ROTATION OF THE SLEEVE RELATIVE TO THE HOLDER ABOUT SAID AXIS.
Claim 2
Dependent Claim
139 words
INSERTED BIT CLAMPING MEANS COMPRISING A HOLDER HAVING A CYLINDRICAL RECESS, A RESILIENT CYLINDRICAL SLEEVE FITTING IN SAID RECESS, A CLAMP INCLUDING TWO SEMI-CYLINDRICAL PARTS FITTING SAID SLEEVE, THE PARTS HAVING OPPOSING FACES ONE OF WHICH HAS A BIT RECESS, ONE END OF THE BIT RECESS HAVING AN OUTLET AT ONE END OF THE CLAMP AND THE OTHER END OF THE RECESS COMPRISING A BIT SEAT FACING THE OUTLET, SAID SLEEVE BEING SPLIT LONGITUDINALLY ALONG ONE SIDE, MEANS TO PREVENT ROTATION OF THE CLAMP RELATIVE TO THE SLEEVE ABOUT THE AXIS OF THE SLEEVE, SAID SLEEVE HAVING A FLAT FACE ON ONE SIDE, AND A WEDGE MOVABLY MOUNTED IN THE HOLDER FOR ENGAGEMENT WITH SAID FACE FOR CAUSING SAID PARTS TO GRIP THE BIT THEREBETWEEN AND TO PREVENT ROTATION OF THE SLEEVE RELATIVE TO THE HOLDER ABOUT SAID AXIS.
References Cited (Backward Citations)
DE227428C
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US1287678A
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CH87793A
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US2127998A
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GB549862A
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GB619549A
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DE814987C
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US2966968A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |