Patent US3267553A successfully refreshed from Google Patents.
US3267553A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool holders
Assignee: PEM CO
•
Filing: 1964-02-28
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Granted: 1966-08-23
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Expires: 1984-02-28
Abstract
No abstract record available.
Inventors
- 👤 Peter E Mortensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:46
CPC Classifications
B; B23; B23B; B23B27/00; B23B27/14; B23B27/16; B23Q; B23Q17/00; B23Q17/22; B23Q17/2216; B23Q17/2225; Y; Y10; Y10T; Y10T407/00; Y10T407/22; Y10T407/2222; Y10T407/2252; Y10T407/2264
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
IN A LATHE TOOL HOLDER, A BODY MEMBER PROVIDED WITH A HEAD PORTION HAVING AN ELONGATED CORNER NOTCH THEREIN AND ALSO HAVING A GUIDEWAY EXTENDING LONGITUDINALLY OF THE HEAD PORTION AND GENERALLY TRANSVERSELY FROM THE LONGITUDINAL AXIS OF THE NOTCH, THE HEAD PORTION HAVING A TAPPED BORE EXTENDING TO THE GUIDEWAY AT AN ACUTE ANGLE RELATIVE TO THE LONGITUDINAL AXIS OF THE GUIDEWAY, AN ELONGATED TOOL HAVING A CORNER PORTION FITTING INTO THE NOTCH, A CLAMPING MEMBER SLIDABLE ALONG THE GUIDEWAY FOR CLAMPING THE TOOL IN THE NOTCH AND HAVING AN END FACE NORMAL TO THE TAPPED BORE, AND A CLAMPING SCREW THREADED INTO THE TAPPED BORE FOR ENGAGING SAID END FACE OF THE CLAMPING MEMBER TO FORCE THE CLAMPING MEMBER AGAINST ONE SIDE OF THE GUIDEWAY AND AGAINST THE TOOL TO LOCK THE TOOL RIGIDLY IN THE TOOL HOLDER
Claim 2
Dependent Claim
140 words
IN A LATHE TOOL HOLDER, A BODY MEMBER PROVIDED WITH A HEAD PORTION HAVING AN ELONGATED CORNER NOTCH THEREIN AND ALSO HAVING A GUIDEWAY EXTENDING LONGITUDINALLY OF THE HEAD PORTION AND GENERALLY TRANSVERSELY FROM THE LONGITUDINAL AXIS OF THE NOTCH, THE HEAD PORTION HAVING A TAPPED BORE EXTENDING TO THE GUIDEWAY AT AN ACUTE ANGLE RELATIVE TO THE LONGITUDINAL AXIS OF THE GUIDEWAY, AN ELONGATED TOOL HAVING A CORNER PORTION FITTING INTO THE NOTCH, A CLAMPING MEMBER SLIDABLE ALONG THE GUIDEWAY FOR CLAMPING THE TOOL IN THE NOTCH AND HAVING AN END FACE NORMAL TO THE TAPPED BORE, AND A CLAMPING SCREW THREADED INTO THE TAPPED BORE FOR ENGAGING SAID END FACE OF THE CLAMPING MEMBER TO FORCE THE CLAMPING MEMBER AGAINST ONE SIDE OF THE GUIDEWAY AND AGAINST THE TOOL TO LOCK THE TOOL RIGIDLY IN THE TOOL HOLDER
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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) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |