Patent US3477320A successfully refreshed from Google Patents.
US3477320A
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Toolholder apparatus and turning method
Assignee: Textron Inc
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Filing: 1963-07-25
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Granted: 1969-11-11
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Expires: 1983-07-25
Abstract
No abstract record available.
Inventors
- 👤 Howard J Findley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:48
CPC Classifications
B; B23; B23B; B23B1/00; B23B25/00; B23B25/02; B23D; B23D1/00; Y; Y10; Y10T; Y10T82/00; Y10T82/10; Y10T82/25; Y10T82/2585
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
IN TOOLHOLDER APPARATUS; A SUPPORT MEANS INCLUDING AN ABUTMENT MEANS; HOLDER MEANS HAVING FLEXIBLE MEANS ADJACENT SAID ABUTMENT MEANS; A CUTTING TOOL CONNECTED WITH SAID FLEXIBLE MEANS AND ENGAGEABLE WITH A WORKPIECE ALONG A CUTTING PATH; FLUID PRESSURE RESPONSIVE MEANS EFFECTIVE BETWEEN SAID ABUTMENT MEANS AND SAID FLEXIBLE MEANS FOR FLEXING THE LATTER IN A DIRECTION TRANSVERSE TO THE CUTTING PATH; AND FLUID PRESSURE PULSATION PRODUCING MEANS CONNECTED WITH SAID RESPONSIVE MEANS FOR SUPPLYING SPACED DISCRETE FLUID PRESSURE PULSATIONS SPACED IN TIME TO THE LATTER TO CAUSE REPEATED SUDDEN SHORT-STROKE
Claim 2
Dependent Claim
90 words
IN TOOLHOLDER APPARATUS; A SUPPORT MEANS INCLUDING AN ABUTMENT MEANS; HOLDER MEANS HAVING FLEXIBLE MEANS ADJACENT SAID ABUTMENT MEANS; A CUTTING TOOL CONNECTED WITH SAID FLEXIBLE MEANS AND ENGAGEABLE WITH A WORKPIECE ALONG A CUTTING PATH; FLUID PRESSURE RESPONSIVE MEANS EFFECTIVE BETWEEN SAID ABUTMENT MEANS AND SAID FLEXIBLE MEANS FOR FLEXING THE LATTER IN A DIRECTION TRANSVERSE TO THE CUTTING PATH; AND FLUID PRESSURE PULSATION PRODUCING MEANS CONNECTED WITH SAID RESPONSIVE MEANS FOR SUPPLYING SPACED DISCRETE FLUID PRESSURE PULSATIONS SPACED IN TIME TO THE LATTER TO CAUSE REPEATED SUDDEN SHORT-STROKE
References Cited (Backward Citations)
US1292494A
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US2044497A
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US3135148A
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US2988943A
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US3174404A
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US3056320A
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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) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |