US3178192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable universal chuck
Assignee: SP Manufacturing CORP
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Filing: 1963-02-07
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Granted: 1965-04-13
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Expires: 1983-02-07
Abstract
No abstract record available.
Inventors
- 👤 Merritt B Sampson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:53
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/16; B23B31/16195; B23B31/162; B23B31/36; Y; Y10; Y10T; Y10T279/00; Y10T279/14; Y10T279/19; Y10T279/1961; Y10T82/00; Y10T82/27
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
112 words
IN A MACHINE TOOL HAVING A SPINDLE, THE COMBINATION OF A JAW CHUCK MOUNTED ON SAID SPINDLE, SAID CHUCK COMPRISING A BODY HAVING A CYLINDRICAL, COAXIAL RECESS IN ITS END FACE ADJACENT SAID SPINDLE, A MOUNTING RING POSITIONED IN SAID RECESS, AND CONNECTED TO SAID BODY, SAID MOUNTING RING INCLUDING A PLURALITY OF RADIAL SCREW OPENINGS, AN ADJUSTING SCREW MOUNTED THROUGH EACH OF SAID SCREW OPENINGS, MEANS ON SAID SPINDLE ENGAGED BY SAID ADJUSTING SCREWS, AND MEANS ON SAID SPINDLE BEING RADIALLY SMALLER THAN THE INNER DIAMETER OF SAID MOUNTING RING SO THAT SAID MOUNTING RING CAN BE RADIALLY ADJUSTED RELATIVE TO SAID SPINDLE, AND MEANS CONNECTING SAID CHUNK TO SAID SPINDLE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |