US3120767A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guiding device for borer
Assignee: Gebrueder Heller GmbH
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Filing: 1962-03-19
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Granted: 1964-02-11
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Expires: 1982-03-19
Abstract
No abstract record available.
Inventors
- 👤 Kleine Werner Kurt Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:24
CPC Classifications
B; B23; B23B; B23B49/00; B23B49/02; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/567; Y10T82/00; Y10T82/25; Y10T82/2572
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A GUIDING DEVICE FOR A BORER COMPRISING A CYLINDRICAL MEMBER ADAPTED TO SURROUND SAID BORER, AT LEAST THREE GUIDE RODS SPACED FROM EACH OTHER AND MOUNTED WITHIN AND SUPPORTED BY SAID MEMBER AND ENGAGING AND GUIDING SAID BORER AT DIFFERENT POINTS OF THE PERIPHERY THEREOF AND EXTENDING PARALLEL TO THE DIRECTION OF THE FEED OF SAID BORER ALONG AREAS OF AT LEAST LINES OF CONTACT BETWEEN SAID GUIDE RODS AND SAID BORER AND SAID GUIDE RODS BEING NONROTATABLE RELATIVE TO SAID BORER, AND MEANS FOR ADJUSTING EACH OF SAID GUIDE RODS INDEPENDENTLY FROM THE ADJUSTMENT OF THE OTHER OF SAID GUIDE RODS WITHIN SAID MEMBER IN A RADIAL DIRECTION RELATIVE TO SAID BORER.
Claim 2
Dependent Claim
113 words
A GUIDING DEVICE FOR A BORER COMPRISING A CYLINDRICAL MEMBER ADAPTED TO SURROUND SAID BORER, AT LEAST THREE GUIDE RODS SPACED FROM EACH OTHER AND MOUNTED WITHIN AND SUPPORTED BY SAID MEMBER AND ENGAGING AND GUIDING SAID BORER AT DIFFERENT POINTS OF THE PERIPHERY THEREOF AND EXTENDING PARALLEL TO THE DIRECTION OF THE FEED OF SAID BORER ALONG AREAS OF AT LEAST LINES OF CONTACT BETWEEN SAID GUIDE RODS AND SAID BORER AND SAID GUIDE RODS BEING NONROTATABLE RELATIVE TO SAID BORER, AND MEANS FOR ADJUSTING EACH OF SAID GUIDE RODS INDEPENDENTLY FROM THE ADJUSTMENT OF THE OTHER OF SAID GUIDE RODS WITHIN SAID MEMBER IN A RADIAL DIRECTION RELATIVE TO SAID BORER.
References Cited (Backward Citations)
FR1098870A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-10 | 1967-08-12 | 1968-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-10 | 1971-08-12 | 1972-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-10 | 1975-08-12 | 1976-02-11 | $7700.00 | Window Closed / Lapsed |