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US3263536A
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Expanding arbors
Assignee: Nachi Machining Technology Co
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Filing: 1965-04-12
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Granted: 1966-08-02
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Expires: 1985-04-12
Abstract
No abstract record available.
Inventors
- 👤 Russel W Anthony
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:04
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/40; B23B31/404; Y; Y10; Y10T; Y10T279/00; Y10T279/10; Y10T279/1037; Y10T279/1041; Y10T279/1054; Y10T279/1058; Y10T82/00; Y10T82/26; Y10T82/266; Y10T82/268
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
AN EXPANDING ARBOR COMPRISING AN ELONGATED CUP MEMBER HAVING AN OPEN RECESS OF CIRCULAR CROSS-SECTION AT ONE END, DRIVE MEANS IN SAID RECESS FOR ESTABLISHING A DRIVING CONNECTION WITH SAID CUP MEMBER, A PLUG ASSEMBLY COMPRISING AN ELONGATED PLUG MEMBER HAVING A FREE END EXTENDING TOWARD SAID CUP MEMBER, A SLEEVE SLIDABLE ON THE FREE END OF SAID PLUG MEMBER, ROTARY DRIVE MEANS BETWEEN SAID PLUG MEMBER AND SLEEVE, WORK ENGAGING KEYS MOVABLE RADIALLY IN SLOTS IN SAID SLEEVE, CAM SURFACES ON SAID PLUG MEMBER ENGAGING SAID KEYS AND OPERABLE TO CAM SAID KEYS RADIALLY OUTWARDLY ON MOVEMENT OF SAID PLUG MEMBER INTO SAID SLEEVE, SAID SLEEVE HAVING AN END PORTION MOVABLE INTO THE RECESS IN SAID CUP MEMBER AND ENGAGEABLE WITH SAID DRIVE MEANS THEREIN TO ESTABLISH DRIVING CONNECTION THERETHROUGH TO SAID CUP MEMBER AND TO PREVENT FURTHER MOVEMENT OF SAID SLEEVE TO PROVIDE FOR MOVEMENT OF SAID PLUG MEMBER IN SAID SLEEVE TO CAM SAID KEYS OUTWARDLY.
Claim 2
Dependent Claim
159 words
AN EXPANDING ARBOR COMPRISING AN ELONGATED CUP MEMBER HAVING AN OPEN RECESS OF CIRCULAR CROSS-SECTION AT ONE END, DRIVE MEANS IN SAID RECESS FOR ESTABLISHING A DRIVING CONNECTION WITH SAID CUP MEMBER, A PLUG ASSEMBLY COMPRISING AN ELONGATED PLUG MEMBER HAVING A FREE END EXTENDING TOWARD SAID CUP MEMBER, A SLEEVE SLIDABLE ON THE FREE END OF SAID PLUG MEMBER, ROTARY DRIVE MEANS BETWEEN SAID PLUG MEMBER AND SLEEVE, WORK ENGAGING KEYS MOVABLE RADIALLY IN SLOTS IN SAID SLEEVE, CAM SURFACES ON SAID PLUG MEMBER ENGAGING SAID KEYS AND OPERABLE TO CAM SAID KEYS RADIALLY OUTWARDLY ON MOVEMENT OF SAID PLUG MEMBER INTO SAID SLEEVE, SAID SLEEVE HAVING AN END PORTION MOVABLE INTO THE RECESS IN SAID CUP MEMBER AND ENGAGEABLE WITH SAID DRIVE MEANS THEREIN TO ESTABLISH DRIVING CONNECTION THERETHROUGH TO SAID CUP MEMBER AND TO PREVENT FURTHER MOVEMENT OF SAID SLEEVE TO PROVIDE FOR MOVEMENT OF SAID PLUG MEMBER IN SAID SLEEVE TO CAM SAID KEYS OUTWARDLY.
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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |