Patent US3186249A successfully refreshed from Google Patents.
US3186249A
Expired / Lapsed
US
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Carriage drive for machine tools
Assignee: Individual
•
Filing: 1963-05-27
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Granted: 1965-06-01
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Expires: 1983-05-27
Abstract
No abstract record available.
Inventors
- 👤 Lanzenberger Horst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:55
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/54; B23Q5/56; F; F16; F16H; F16H25/00; F16H25/18; F16H25/20; F16H25/2003; F16H25/2006; F16H25/22; F16H25/2204; F16H25/2209; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18728; Y10T74/19; Y10T74/19623; Y10T74/1987; Y10T74/19893; Y10T74/19898; Y10T74/19902
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A MACHINE TOOL FEED DRIVE FREE FROM PLAY, COMPRISING A SUPPORT AND A SCREW-THREADED SPINDLE CAPABLE OF FEEDING MOVEMENT RELATIVELY TO EACH OTHER IN EITHER DIRECTION LONGITUDINALLY OF SAID SPINDLE, A FIRST NUT MOUNTED STATIONARILY IN SAID SUPPORT AND ENGAGING THE THREADS OF SAID SPINDLE, A SECOND NUT MOUNTED FOR LIMITED ROTATION IN SAID SUPPORT IN AXIALLY SPACED RELATION TO THE FIRST NUT AND ALSO ENGAGING THE THREADS OF SAID SPINDLE, A THRUST BEARING OPERATIVELY INTERPOSED BETWEEN SAID SECOND NUT AND SAID SUPPORT TO LIMIT THE EXTENT TO WHICH SAID NUTS MAY MOVE AXIALLY RELATIVE TO EACH OTHER, AND MEANS TENDING TO TURN THE SECOND NUT RELATIVE TO THE SUPPORT AND THE FIRST NUT IN A DIRECTION EFFECTIVE TO TIGHTEN THE SECOND NUT AGAINST SAID THRUST BEARING AND AGAINST THE THREADS OF THE SPINDLE.
Claim 2
Dependent Claim
134 words
A MACHINE TOOL FEED DRIVE FREE FROM PLAY, COMPRISING A SUPPORT AND A SCREW-THREADED SPINDLE CAPABLE OF FEEDING MOVEMENT RELATIVELY TO EACH OTHER IN EITHER DIRECTION LONGITUDINALLY OF SAID SPINDLE, A FIRST NUT MOUNTED STATIONARILY IN SAID SUPPORT AND ENGAGING THE THREADS OF SAID SPINDLE, A SECOND NUT MOUNTED FOR LIMITED ROTATION IN SAID SUPPORT IN AXIALLY SPACED RELATION TO THE FIRST NUT AND ALSO ENGAGING THE THREADS OF SAID SPINDLE, A THRUST BEARING OPERATIVELY INTERPOSED BETWEEN SAID SECOND NUT AND SAID SUPPORT TO LIMIT THE EXTENT TO WHICH SAID NUTS MAY MOVE AXIALLY RELATIVE TO EACH OTHER, AND MEANS TENDING TO TURN THE SECOND NUT RELATIVE TO THE SUPPORT AND THE FIRST NUT IN A DIRECTION EFFECTIVE TO TIGHTEN THE SECOND NUT AGAINST SAID THRUST BEARING AND AGAINST THE THREADS OF THE SPINDLE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-31 | 1968-11-30 | 1969-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-31 | 1972-11-30 | 1973-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-31 | 1976-11-30 | 1977-06-01 | $7700.00 | Window Closed / Lapsed |