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Patent US3175465A successfully refreshed from Google Patents.
US3175465A
Expired / Lapsed
US
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Method and apparatus for machining manhole rims and covers
Assignee: Individual
•
Filing: 1963-07-11
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Granted: 1965-03-30
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Expires: 1983-07-11
Abstract
No abstract record available.
Inventors
- 👤 Charles F Fuller
- 👤 Ruff Edwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:02
CPC Classifications
B; B23; B23Q; B23Q9/00; B23Q9/0014; B23Q9/0021; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/303752; Y10T409/303808; Y10T409/304424; Y10T409/306216; Y10T409/306384; Y10T409/30644
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
AN APPARATUS FOR MACHINING A CIRCULAR WORK-PIECE HAVING A HORIZONTAL SURFACE AND A VERTICAL SURFACE COMPRISING A FRAME, STOPS MOUNTED ON SAID FRAME FOR HORIZONTAL MOVEMENT BETWEEN A FIRST POSITION OVERLYING SAID HORIZONTAL SURFACE AND A SECOND POSITION AWAY THEREFROM, SET SCREWS MOUNTED ON SAID FRAME FOR HORIZONTAL MOVEMENT INTO AND OUT OF ENGAGEMENT WITH SAID VERTICAL SURFACE, A CENTRAL SHAFT EXTENDING FROM SAID FRAME ON A VERTICAL AXIS, AN ARM ENGAGING SAID SHAFT FOR RELATIVE ROTATION THEREBETWEEN, A MOTOR ON SAID ARM, MEANS FOR INTERCONNECTING SAID MOTOR SAID FRAME FOR PROVIDING RELATIVE ANGULAR MOVEMENT BETWEEN SAID ARM AND SAID FRAME, A CUTTING TOOL, AND MEANS FOR SAID ARM FOR MOUNTING SAID CUTTING TOOL FOR MOVEMENT TOWARD AND AWAY FROM SAID WORK-PIECE IN BOTH A VERTICAL DIRECTION AND A HORIZONTAL DIRECTION.
Claim 2
Independent Claim
87 words
A METHOD OF MACHINING A CIRCULAR WORK-PIECE HAVING A HORIZONTAL SURFACE AND A VERTICAL CYLINDRICAL SURFACE COMPRISING ENGAGING A FRAME CONTAINING MACHINING APPARATUS VERTICALLY AGAINST SAID HORIZONTAL SURFACE, THEN SHIFTING SAID FRAME HORIZONTALLY RELATIVE TO SAID WORKPIECE UNTIL SAID FRAME IS CENTERED RELATIVE TO SAID VERTICAL CYLINDRICAL SURFACE OF SAID WORK-PIECE, THEN ENGAGING SAID FRAME AND SAID WORK-PIECE ON SAID VERTICAL CYLINDRICAL SURFACE AGAINST VERTICAL RELATIVE MOVEMENT THEREBETWEEN, THEN DISENGAGING SAID FRAME AND SAID HORIZONTALLY SURFACE, AND THEN OPERATING SAID MACHINING APPARATUS TO MACHINE SAID HORIZONTAL SURFACE.
References Cited (Backward Citations)
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Cited
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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) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |