US3134996A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lead screw feed means with lead screw and nut movable as a unit to effect fast approach
Assignee: New Britain Machine Co
•
Filing: 1959-08-10
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Granted: 1964-06-02
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Expires: 1979-08-10
Abstract
No abstract record available.
Inventors
- 👤 William B Retz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:37
CPC Classifications
B; B23; B23B; B23B11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
IN A CYCLICALLY FUNCTIONING METAL WORKING MACHINE OR THE LIKE, A ROTARY WORK SPINDLE, A RECIPROCABLE ASSEMBLY INCLUDING A TOOL SPINDLE DISPOSED IN THE DIRECTION OF ASSEMBLY RECIPROCATION AND CONNECTED INTO THE ASSEMBLY FOR AXIAL SHIFT BODILY WITH THE ASSEMBLY UPON RECIPROCATIVE DISPLACEMENT OF THE ASSEMBLY, MEANS MOUNTING THE ASSEMBLY FOR ITS RECIPROCATIVE TRAVEL, MEANS INCLUDING A LEAD-SCREW CONNECTION SO SUPPORTING THE TOOL SPINDLE AS TO ENABLE IT TO BE SHIFTED AXIALLY RELATIVE TO THE ASSEMBLY DRIVE MEANS INCLUDING DRIVE CONNECTIONS FOR DIFFERENTIALLY ROTATING SAID WORK AND TOOL SPINDLES TO EFFECT SAID RELATIVE AXIAL SHIFT, AND SYNCHRONIZED OPERATIVE CONNECTIONS THROUGH WHICH SAID DRIVE MEANS CYCLICALLY EFFECTS BOTH RECIPROCATION OF THE ASSEMBLY AND THE RELATIVE AXIAL SHIFTING OF THE TOOL SPINDLE AT APPROPRIATE TIMES OF EACH OF RECURRENT MACHINE CYCLES.
Claim 2
Dependent Claim
129 words
IN A CYCLICALLY FUNCTIONING METAL WORKING MACHINE OR THE LIKE, A ROTARY WORK SPINDLE, A RECIPROCABLE ASSEMBLY INCLUDING A TOOL SPINDLE DISPOSED IN THE DIRECTION OF ASSEMBLY RECIPROCATION AND CONNECTED INTO THE ASSEMBLY FOR AXIAL SHIFT BODILY WITH THE ASSEMBLY UPON RECIPROCATIVE DISPLACEMENT OF THE ASSEMBLY, MEANS MOUNTING THE ASSEMBLY FOR ITS RECIPROCATIVE TRAVEL, MEANS INCLUDING A LEAD-SCREW CONNECTION SO SUPPORTING THE TOOL SPINDLE AS TO ENABLE IT TO BE SHIFTED AXIALLY RELATIVE TO THE ASSEMBLY DRIVE MEANS INCLUDING DRIVE CONNECTIONS FOR DIFFERENTIALLY ROTATING SAID WORK AND TOOL SPINDLES TO EFFECT SAID RELATIVE AXIAL SHIFT, AND SYNCHRONIZED OPERATIVE CONNECTIONS THROUGH WHICH SAID DRIVE MEANS CYCLICALLY EFFECTS BOTH RECIPROCATION OF THE ASSEMBLY AND THE RELATIVE AXIAL SHIFTING OF THE TOOL SPINDLE AT APPROPRIATE TIMES OF EACH OF RECURRENT MACHINE CYCLES.
References Cited (Backward Citations)
US2069098A
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US2327279A
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US2500540A
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US2770819A
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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) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |