US3309950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tracer stylus adjustment
Assignee: True Trace Corp
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Filing: 1965-07-06
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Granted: 1967-03-21
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Expires: 1985-07-06
Abstract
No abstract record available.
Inventors
- 👤 Paul J Weaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:22
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/10; B23Q35/101; B23Q35/102; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T82/00; Y10T82/14; Y10T82/141
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
APPARATUS FOR A TRACER-CONTROLLED MACHINE TOOL WHICH DUPLICATES IN A WORKPIECE THE SHAPE OF A PATTERN, COMPRISING: A TRACER HAVING A BODY, POWER-CONTROL MEANS EFFECTIVE TO CONTOL POWER OF A MACHINE TOOL, A FIRST STYLUS AND A SECOND STYLUS MOUNTED TO THE BODY, BOTH STYLUSES BEING EFFECTIVE TO ADJUST THE POWER-CONTROL MEANS, THE FIRST STYLUS BEING MOVABLE TO A FIRST POSITION WHERE IT PROJECTS BEYOND THE SECOND STYLUS SO AS TO CONTACT THE PATTERN INSTEAD OF THE SECOND STYLUS, AND BEING MOVABLE TO A SECOND POSITION WHERE THE SECOND STYLUS CONTACTS THE PATTERN INSTEAD OF THE FIRST STYLUS, THEREBY PROVIDING TWO REFERENCE SPACINGS BETWEEN THE PATTERN AND THE TRACER, THE POWER PASSED BY THE POWER-CONTROL MEANS BEING EFFECTIVE TO CAUSE THE MACHINE TOOL TO UNDERGO MOTIONS SIMILAR TO THOSE OF THE STYLUS WHICH CONTACTS THE PATTERN; A UNIVERSALLY TILTABLE HEAD TO WHICH BOTH STYLUSES ARE MOUNTED; A ROTATABLE CAM; A TRACK CARRIED BY SAID ROTATABLE CAM; A CAM FOLLOWER FOLLOWING SAID TRACK TO MOVE THE FIRST STYLUS; A MOTOR FOR TURNING SAID
Claim 2
Dependent Claim
172 words
APPARATUS FOR A TRACER-CONTROLLED MACHINE TOOL WHICH DUPLICATES IN A WORKPIECE THE SHAPE OF A PATTERN, COMPRISING: A TRACER HAVING A BODY, POWER-CONTROL MEANS EFFECTIVE TO CONTOL POWER OF A MACHINE TOOL, A FIRST STYLUS AND A SECOND STYLUS MOUNTED TO THE BODY, BOTH STYLUSES BEING EFFECTIVE TO ADJUST THE POWER-CONTROL MEANS, THE FIRST STYLUS BEING MOVABLE TO A FIRST POSITION WHERE IT PROJECTS BEYOND THE SECOND STYLUS SO AS TO CONTACT THE PATTERN INSTEAD OF THE SECOND STYLUS, AND BEING MOVABLE TO A SECOND POSITION WHERE THE SECOND STYLUS CONTACTS THE PATTERN INSTEAD OF THE FIRST STYLUS, THEREBY PROVIDING TWO REFERENCE SPACINGS BETWEEN THE PATTERN AND THE TRACER, THE POWER PASSED BY THE POWER-CONTROL MEANS BEING EFFECTIVE TO CAUSE THE MACHINE TOOL TO UNDERGO MOTIONS SIMILAR TO THOSE OF THE STYLUS WHICH CONTACTS THE PATTERN; A UNIVERSALLY TILTABLE HEAD TO WHICH BOTH STYLUSES ARE MOUNTED; A ROTATABLE CAM; A TRACK CARRIED BY SAID ROTATABLE CAM; A CAM FOLLOWER FOLLOWING SAID TRACK TO MOVE THE FIRST STYLUS; A MOTOR FOR TURNING SAID
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) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |