Patent US3405950A successfully refreshed from Google Patents.
US3405950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool holder
Assignee: Santrade Ltd
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Filing: 1966-08-23
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Granted: 1968-10-15
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Expires: 1986-08-23
Abstract
No abstract record available.
Inventors
- 👤 John R Cox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:01
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/107; B23B31/1071; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17957; Y10T279/17965; Y10T409/00; Y10T409/30; Y10T409/309352; Y10T409/309408
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
186 words
A QUICK CHANGE TOOL HOLDER COMPRISING A BODY MEMBER HAVING A CONICAL TAPERED BORE EXTENDING THEREINTO FROM ONE END AND BEING FORMED WITH AN AXIALLY ELONGATED SLOT EXTENDING RADIALLY THERETHROUGH FROM THE OUTER SURFACE THEREOF INTO SAID BORE, THE INNER END OF SAID SLOT BEING OF REDUCED WIDTH, AN ACTUATING BALL DISPOSED IN SAID SLOT AND OF A DIAMETER SUBSTANTIALLY EQUAL TO THE CIRCUMFERENTIAL WIDTH OF SAID SLOT, THE REDUCED INNER WIDTH OF SAID SLOT PREVENTING SAID BALL FROM PASSING THERETHROUGH INTO SAID BORE IN SAID BODY MEMBER, AN ACTUATING COLLAR ROTATABLY MOUNTED ON SAID BODY MEMBER AND OVERLYING SAID SLOT THEREIN AND SAID ACTUATING BALL, SAID COLLAR HAVING A CIRCUMFERENTIALLY EXTENDING GROOVE IN THE INNER SURFACE THEREOF ADAPTED TO RECEIVE THE OUTER PORTION OF SAID BALL, SAID GROOVE BEING INCLINED RELATIVE TO A PLANE NORMAL TO THE LONGITUDINAL AXIS OF SAID BODY MEMBER, MEANS FOR RESTRAINING SAID COLLAR AGAINST AXIAL MOVEMENT WHILE PERMITTING ROTATIONAL MOVEMENT ON SAID BODY, AN ADAPTER HAVING A TAPERED END CORRESPONDING TO AND ADAPTED TO FIT WITHIN SAID TAPERED BORE IN SAID BODY MEMBER AND HAVING A CIRCUMFERENTIAL GROOVE FORMED THEREIN
Claim 2
Dependent Claim
186 words
A QUICK CHANGE TOOL HOLDER COMPRISING A BODY MEMBER HAVING A CONICAL TAPERED BORE EXTENDING THEREINTO FROM ONE END AND BEING FORMED WITH AN AXIALLY ELONGATED SLOT EXTENDING RADIALLY THERETHROUGH FROM THE OUTER SURFACE THEREOF INTO SAID BORE, THE INNER END OF SAID SLOT BEING OF REDUCED WIDTH, AN ACTUATING BALL DISPOSED IN SAID SLOT AND OF A DIAMETER SUBSTANTIALLY EQUAL TO THE CIRCUMFERENTIAL WIDTH OF SAID SLOT, THE REDUCED INNER WIDTH OF SAID SLOT PREVENTING SAID BALL FROM PASSING THERETHROUGH INTO SAID BORE IN SAID BODY MEMBER, AN ACTUATING COLLAR ROTATABLY MOUNTED ON SAID BODY MEMBER AND OVERLYING SAID SLOT THEREIN AND SAID ACTUATING BALL, SAID COLLAR HAVING A CIRCUMFERENTIALLY EXTENDING GROOVE IN THE INNER SURFACE THEREOF ADAPTED TO RECEIVE THE OUTER PORTION OF SAID BALL, SAID GROOVE BEING INCLINED RELATIVE TO A PLANE NORMAL TO THE LONGITUDINAL AXIS OF SAID BODY MEMBER, MEANS FOR RESTRAINING SAID COLLAR AGAINST AXIAL MOVEMENT WHILE PERMITTING ROTATIONAL MOVEMENT ON SAID BODY, AN ADAPTER HAVING A TAPERED END CORRESPONDING TO AND ADAPTED TO FIT WITHIN SAID TAPERED BORE IN SAID BODY MEMBER AND HAVING A CIRCUMFERENTIAL GROOVE FORMED THEREIN
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) | 1971-10-15 | 1972-04-15 | 1972-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-15 | 1976-04-15 | 1976-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-15 | 1980-04-15 | 1980-10-15 | $7700.00 | Window Closed / Lapsed |