Patent US3125773A successfully refreshed from Google Patents.
US3125773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thread tapping mechanism with means to
Assignee: —
•
Filing: —
•
Granted: 1964-03-24
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Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:36
CPC Classifications
B; B23; B23G; B23G1/00; B23G1/44; B23G1/46; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17761; Y10T279/17821; Y10T408/00; Y10T408/55; Y10T408/563; Y10T74/00; Y10T74/19; Y10T74/1987; Y10T74/19893; Y10T74/19898; Y10T74/19902
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A MECHANISM OF THE TYPE DESCRIBED, COMPRISING A WORK HOLDER, A ROTARY SPINDLE HAVING CHUCK MEANS FOR RECEIVING AND DRIVING A TOOL IN FORMING ENGAGEMENT WITH A WORKPIECE HELD BY SAID WORK HOLDER, AND MEANS FOR THREADEDLY DRIVING SAID SPINDLE AXIALLY AND ROTATIVELY WHILE INSURING PRECISE FORMING ENGAGEMENT OF SAID TOOL WITH THE WORKPIECE IN A WORKING STROKE IN ENGAGEMENT WITH THE LATTER, COMPRISING A SCREW TO FEED SAID SPINDLE AND A NUT THREADEDLY ENGAGING SAID SCREW, SAID CHUCK MEANS COMPRISING A CHUCK HEAD IN FIXED AXIAL AND ANGULAR RELATION TO SAID SCREW, SAID CHUCK HEAD AND NUT BEING IN A PRECISELY PREDETERMINED AXIAL AND ANGULAR RELATION TO SAID WORK HOLDER AT THE COMMENCEMENT OF WORKING ENGAGEMENT OF SAID TOOL WITH THE WORKPIECE, AN ADAPTER MOUNTED ON SAID HEAD, SAID ADAPTER FIXEDLY MOUNTING
Claim 2
Dependent Claim
133 words
A MECHANISM OF THE TYPE DESCRIBED, COMPRISING A WORK HOLDER, A ROTARY SPINDLE HAVING CHUCK MEANS FOR RECEIVING AND DRIVING A TOOL IN FORMING ENGAGEMENT WITH A WORKPIECE HELD BY SAID WORK HOLDER, AND MEANS FOR THREADEDLY DRIVING SAID SPINDLE AXIALLY AND ROTATIVELY WHILE INSURING PRECISE FORMING ENGAGEMENT OF SAID TOOL WITH THE WORKPIECE IN A WORKING STROKE IN ENGAGEMENT WITH THE LATTER, COMPRISING A SCREW TO FEED SAID SPINDLE AND A NUT THREADEDLY ENGAGING SAID SCREW, SAID CHUCK MEANS COMPRISING A CHUCK HEAD IN FIXED AXIAL AND ANGULAR RELATION TO SAID SCREW, SAID CHUCK HEAD AND NUT BEING IN A PRECISELY PREDETERMINED AXIAL AND ANGULAR RELATION TO SAID WORK HOLDER AT THE COMMENCEMENT OF WORKING ENGAGEMENT OF SAID TOOL WITH THE WORKPIECE, AN ADAPTER MOUNTED ON SAID HEAD, SAID ADAPTER FIXEDLY MOUNTING
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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) | 1967-03-24 | 1967-09-23 | 1968-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-24 | 1971-09-23 | 1972-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-24 | 1975-09-23 | 1976-03-24 | $7700.00 | Window Closed / Lapsed |