US3261235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable rotary machining appliance and apparatus
Assignee: Lamina Inc
•
Filing: 1963-12-03
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Granted: 1966-07-19
•
Expires: 1983-12-03
Abstract
No abstract record available.
Inventors
- 👤 Ferdinand J Henkel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:32
CPC Classifications
F; F04; F04C; F04C2/00; F04C2/08; F04C2/10; F04C2/103; F04C2/104; B; B23; B23B; B23B39/00; B23B45/00; B23B45/04; B25; B25H; B25H1/00; B25H1/0021; B25H1/0057; B25H1/0064; B25H1/0071; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/554; Y10T408/65; Y10T408/675; Y10T408/6757
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A COMPACT PORTABLE WORK-GRIPPING ROTARY MACHINING APPLIANCE, COMPRISING A SUPPORTING FRAME HAVING A HOLLOW BASE AND AN UPRIGHT WITH AN ELONGATED GUIDEWAY THEREON, A WORK-GRIPPING ELECTROMAGNET WITHIN SAID BASE HAVING A MAGNETIC GRIPPING FACE DISPOSED APPROXIMATELY FLUSH WITH THE BOTTOM OF SAID BASE, MEANS FOR SELECTIVELY ENERGIZING SAID ELECTROMAGNET INTO WORK-GRIPPING CONDITION, A CARRIAGE SLIDABLY MOUNTED ON SAID UPRIGHT IN GUIDED ENGAGEMENT WITH SAID GUIDEWAY, A HYDRAULIC ROTARY MOTOR ON SAID CARRIAGE HAVING A ROTARY OUTPUT SHAFT WITH ITS AXIS PARALLEL TO SAID GUIDEWAY, A ROTARY MACHINING TOOL HOLDER OPERATIVELY CONNECTED TO SAID OUTPUT SHAFT IN DRIVEN RELATIONSHIP THEREWITH, FEEDING MECHANISM INTERPOSED BETWEEN SAID CARRIAGE AND SAID UPRIGHT FOR MOVING SAID CARRIAGE RELATIVELY TO SAID GUIDEWAY IN TOOL-HOLDER-FEEDING MOTION RELATIVELY TO SAID BASE, MEANS FOR SUPPLYING HYDRAULIC PRESSURE TO SAID MOTOR, AND SPACING ELEMENTS OF NON-MAGNETIC MATERIAL MOUNTED IN THE BOTTOM OF SAID BASE AND PROJECTING OUTWARDLY THEREFROM IN RESIDUAL MAGNETISM-BREAKING RELATIONSHIP TO SAID GRIPPING FACE OF SAID ELECTROMAGNET.
Claim 2
Dependent Claim
159 words
A COMPACT PORTABLE WORK-GRIPPING ROTARY MACHINING APPLIANCE, COMPRISING A SUPPORTING FRAME HAVING A HOLLOW BASE AND AN UPRIGHT WITH AN ELONGATED GUIDEWAY THEREON, A WORK-GRIPPING ELECTROMAGNET WITHIN SAID BASE HAVING A MAGNETIC GRIPPING FACE DISPOSED APPROXIMATELY FLUSH WITH THE BOTTOM OF SAID BASE, MEANS FOR SELECTIVELY ENERGIZING SAID ELECTROMAGNET INTO WORK-GRIPPING CONDITION, A CARRIAGE SLIDABLY MOUNTED ON SAID UPRIGHT IN GUIDED ENGAGEMENT WITH SAID GUIDEWAY, A HYDRAULIC ROTARY MOTOR ON SAID CARRIAGE HAVING A ROTARY OUTPUT SHAFT WITH ITS AXIS PARALLEL TO SAID GUIDEWAY, A ROTARY MACHINING TOOL HOLDER OPERATIVELY CONNECTED TO SAID OUTPUT SHAFT IN DRIVEN RELATIONSHIP THEREWITH, FEEDING MECHANISM INTERPOSED BETWEEN SAID CARRIAGE AND SAID UPRIGHT FOR MOVING SAID CARRIAGE RELATIVELY TO SAID GUIDEWAY IN TOOL-HOLDER-FEEDING MOTION RELATIVELY TO SAID BASE, MEANS FOR SUPPLYING HYDRAULIC PRESSURE TO SAID MOTOR, AND SPACING ELEMENTS OF NON-MAGNETIC MATERIAL MOUNTED IN THE BOTTOM OF SAID BASE AND PROJECTING OUTWARDLY THEREFROM IN RESIDUAL MAGNETISM-BREAKING RELATIONSHIP TO SAID GRIPPING FACE OF SAID ELECTROMAGNET.
References Cited (Backward Citations)
FR369374A
Cited
US2030280A
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US2208435A
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US2762339A
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US2876663A
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USRE25291E
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USRE25126E
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US3169415A
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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) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |