US3187247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reproducing apparatus
Assignee: Motors Liquidation Co
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Filing: 1961-10-12
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Granted: 1965-06-01
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Expires: 1981-10-12
Abstract
No abstract record available.
Inventors
- 👤 Robert B Colten
- 👤 Glenn E Wanttaja
- 👤 August F Scarpelli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:53
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/12; B23Q35/127; B23Q35/128; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/300896; Y10T409/301176
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
IN COMBINATION, DRIVE MEANS FOR MANEUVERING A TOOL RELATIVE TO A WORKPIECE, AND A CONTROL SYSTEM FOR THE DRIVE MEANS INCLUDING A MANUALLY OPERABLE SPEED CONTROL INCLUDING TWO VARIABLE IMPEDANCES MANEUVERABLE BY THE SPEED CONTROL TO DEVELOP D.C. SPEED SIGNALS EACH OF OPPOSITE POLARITY CORRESPONDING IN MAGNITUDE TO THE DESIRED SPEED AND A MANUALLY OPEERABLE DIRECTION CONTROL INCLUDING A SINE-COSINE POTENTIOMETER IN COMMUNICATION WITH THE TWO VARIABLE IMPEDANCES FOR THE SPEED CONTROL AND ADAPTED WHEN THE DIRECTION CONTROL IS ACTUATED TO DEVELOP A COMBINED D.C. SPEED AND DIRECTION SIGNAL OF A POLARITY CORRESPONDING TO THE DIRECTION AND SPEED OF TOOL MOVEMENT DESIRED THEREBY FACILITATING 180* ARCUATE MANEUVERING OF THE TOOL RELATIVE TO THE WORKPIECE IN ALL DIRECTIONS AT A CONSTANT SPEED DETERMINED BY THE SETTING OF THE SPEED CONTROL.
Claim 2
Dependent Claim
129 words
IN COMBINATION, DRIVE MEANS FOR MANEUVERING A TOOL RELATIVE TO A WORKPIECE, AND A CONTROL SYSTEM FOR THE DRIVE MEANS INCLUDING A MANUALLY OPERABLE SPEED CONTROL INCLUDING TWO VARIABLE IMPEDANCES MANEUVERABLE BY THE SPEED CONTROL TO DEVELOP D.C. SPEED SIGNALS EACH OF OPPOSITE POLARITY CORRESPONDING IN MAGNITUDE TO THE DESIRED SPEED AND A MANUALLY OPEERABLE DIRECTION CONTROL INCLUDING A SINE-COSINE POTENTIOMETER IN COMMUNICATION WITH THE TWO VARIABLE IMPEDANCES FOR THE SPEED CONTROL AND ADAPTED WHEN THE DIRECTION CONTROL IS ACTUATED TO DEVELOP A COMBINED D.C. SPEED AND DIRECTION SIGNAL OF A POLARITY CORRESPONDING TO THE DIRECTION AND SPEED OF TOOL MOVEMENT DESIRED THEREBY FACILITATING 180* ARCUATE MANEUVERING OF THE TOOL RELATIVE TO THE WORKPIECE IN ALL DIRECTIONS AT A CONSTANT SPEED DETERMINED BY THE SETTING OF THE SPEED CONTROL.
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) | 1968-05-31 | 1968-11-30 | 1969-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-31 | 1972-11-30 | 1973-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-31 | 1976-11-30 | 1977-06-01 | $7700.00 | Window Closed / Lapsed |