Patent US3124692A successfully refreshed from Google Patents.
US3124692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brouwer
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
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Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:57
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/12; B23Q35/127; B23Q35/128; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/303416; Y10T409/303472; Y10T409/303528; Y10T409/303584
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
157 words
IN AN APPARATUS FOR TRACING A LINE HAVING MEANS FOR SENSING A LINE ROTATABLY MOUNTED IN A FRAME, A TRACTION WHEEL, MOUNTING MEANS FOR THE TRACTION WHEEL ROTATABLY SUPPORTED BY THE FRAME, A DRIVE SHAFT FOR THE WHEEL HAVING AN AXIS PERPENDICULAR TO THE AXIS OF SAID WHEEL, SAID LINE SENSING MEANS AND WHEEL MOUNTING MEANS BEING ROTATABLE ABOUT SEPARATE AXES PARALLEL TO ONE ANOTHER AND PERPENDICULAR TO THE SURFACE CONTAINING THE LINE, MEANS FOR SIMULTANEOUSLY ROTATING THE LINE SENSING MEANS AND THE WHEEL MOUNTING MEANS IN THE SAME ANGULAR DIRECTION AND MEANS FOR DRIVING THE DRIVE SHAFT AT A SUBSTANTIALLY CONSTANT ANGULAR VELOCITY TO MOVE THE APPARATUS IN A FORWARD DIRECTION, THE IMPROVEMENT IN WHICH THE AXIS OF ROTATION OF SAID LINE SENSING MEANS PASSES CENTRALLY THERETHROUGH AND THE POINT OF CONTACT OF THE WHEEL WITH THE SURFACE ALONG WHICH IT TRAVELS IS OFFSET BEHIND AND TO ONE SIDE OF THE AXIS OF SAID DRIVE SHAFT.
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) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |