Patent US3203281A successfully refreshed from Google Patents.
US3203281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool path control mechanism
Assignee: Motch and Merryweather Machinery Co
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Filing: 1963-02-25
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Granted: 1965-08-31
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Expires: 1983-02-25
Abstract
No abstract record available.
Inventors
- 👤 Alvin J Jones
- 👤 Peter E Forster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:31
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/22; B23Q5/26; B23Q5/266; B23B; B23B25/00; B23B25/02; B23B29/00; B23B29/04; B23B29/12; B23B29/125; B23B47/00; B23B47/34; F; F15; F15B; F15B11/00; F15B21/00; F15B21/12; Y; Y10; Y10T; Y10T408/00; Y10T408/23
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
IN A HYDRAULIC FEED PISTON-CYLINDER ASSEMBLY FOR CUTTING TOOLS AND THE LIKE; A HYDRAULIC PULSE GENERATING UNIT COMPRISING A CHAMBER CONNECTED TO THE EXHAUST SIDE OF SAID CYLINDER, A PISTION RECIPROCABLY MOUNTED IN SAID CHAMBER, A ROCKER ARM ENGAGIN SAID PISTION, DRIVE MEANS OPERATIVE TO OSCILLATE SAID ROCKER ARM THUS TO RECIPROCATE SAID PISTION, SAID DRIVE MEANS COMPRISING A MOTOR DRIVEN SHAFT, AN ECCENTRIC ON SAID SHAFT, AN ECCENTRIC MEMBER SURROUNDING SAID ECCENTRIC ON SAID SHAFT AND INCLUDING A FLATTENED PORTION ENGAGING SAID ROCKER ARM TO OSCILLATE THE SAME, MEANS OPERATIVE TO VARY THE SPEED OF SAID MOTOR DRIVEN SHAFT TO VARY THE FREQUENCY OF RECIPROCATION OF SAID PISTON AND THUS THE GENERATED PULSE, SUPPORT MEANS FOR SAID ROCKER ARM, AND MEANS OPERATIVE TO ADJUST THE POSITION OF SAID SUPPORT MEANS TO CONTROL THE AMPLITUDE OF RECIPROCATION OF SAID PISTION AND THUS THE AMPLITUDE OF THE GENERATED PULSE.
Claim 2
Dependent Claim
148 words
IN A HYDRAULIC FEED PISTON-CYLINDER ASSEMBLY FOR CUTTING TOOLS AND THE LIKE; A HYDRAULIC PULSE GENERATING UNIT COMPRISING A CHAMBER CONNECTED TO THE EXHAUST SIDE OF SAID CYLINDER, A PISTION RECIPROCABLY MOUNTED IN SAID CHAMBER, A ROCKER ARM ENGAGIN SAID PISTION, DRIVE MEANS OPERATIVE TO OSCILLATE SAID ROCKER ARM THUS TO RECIPROCATE SAID PISTION, SAID DRIVE MEANS COMPRISING A MOTOR DRIVEN SHAFT, AN ECCENTRIC ON SAID SHAFT, AN ECCENTRIC MEMBER SURROUNDING SAID ECCENTRIC ON SAID SHAFT AND INCLUDING A FLATTENED PORTION ENGAGING SAID ROCKER ARM TO OSCILLATE THE SAME, MEANS OPERATIVE TO VARY THE SPEED OF SAID MOTOR DRIVEN SHAFT TO VARY THE FREQUENCY OF RECIPROCATION OF SAID PISTON AND THUS THE GENERATED PULSE, SUPPORT MEANS FOR SAID ROCKER ARM, AND MEANS OPERATIVE TO ADJUST THE POSITION OF SAID SUPPORT MEANS TO CONTROL THE AMPLITUDE OF RECIPROCATION OF SAID PISTION AND THUS THE AMPLITUDE OF THE GENERATED PULSE.
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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) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |