US3089358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable boring head
Assignee: Individual
•
Filing: 1959-12-17
•
Granted: 1963-05-14
•
Expires: 1979-12-17
Abstract
No abstract record available.
Inventors
- 👤 Marion D Spurgeon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:26
CPC Classifications
B; B23; B23B; B23B39/00; B23B39/16; B23B39/161; B23B39/163; B23B39/24; Y; Y10; Y10T; Y10T408/00; Y10T408/86; Y10T408/885
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
FOR ROTATABLY MOUNTING ON A BORING MACHINE, A BORING TOOL COMPRISING A SPINDLE HAVING A NORMAL AXIS OF ROTATION, A BORE HEAD, AN ELONGATED SHANK JOINED AT ONE END TO THE BORE HEAD AND AT THE OTHER END DETACHABLY CONNECTED TO THE SPINDLE, A BORE BAR SECURED TO SAID BORE HEAD OFFSET FROM SAID AXIS OF ROTATION, SAID BORE HEAD HAVING TWO SECTIONS SEPARATED BY AN L-SHAPED SLOT HAVING ONE LEG EXTENDING IN THE DIRECTION OF SAID AXIS OF ROTATION AND A SECOND LEG CROSSING THE AXIS OF ROTATION AND A DIFFERENTIAL SCREW THREADED INTO SAID SECTIONS FOR CHANGING THE RELATIVE POSITIONS OF SAID SECTIONS TO THEREBY REPOSITION THE BORE BAR RELATIVE TO THE AXIS OF ROTATION.
Claim 2
Dependent Claim
117 words
FOR ROTATABLY MOUNTING ON A BORING MACHINE, A BORING TOOL COMPRISING A SPINDLE HAVING A NORMAL AXIS OF ROTATION, A BORE HEAD, AN ELONGATED SHANK JOINED AT ONE END TO THE BORE HEAD AND AT THE OTHER END DETACHABLY CONNECTED TO THE SPINDLE, A BORE BAR SECURED TO SAID BORE HEAD OFFSET FROM SAID AXIS OF ROTATION, SAID BORE HEAD HAVING TWO SECTIONS SEPARATED BY AN L-SHAPED SLOT HAVING ONE LEG EXTENDING IN THE DIRECTION OF SAID AXIS OF ROTATION AND A SECOND LEG CROSSING THE AXIS OF ROTATION AND A DIFFERENTIAL SCREW THREADED INTO SAID SECTIONS FOR CHANGING THE RELATIVE POSITIONS OF SAID SECTIONS TO THEREBY REPOSITION THE BORE BAR RELATIVE TO THE AXIS OF ROTATION.
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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) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |