Patent US3162128A successfully refreshed from Google Patents.
US3302492A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sensing device
Assignee: National Automatic Tool Co Inc
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Filing: 1964-11-17
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Granted: 1967-02-07
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Expires: 1984-11-17
Abstract
No abstract record available.
Inventors
- 👤 Miles L Weidig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:24
CPC Classifications
B; B23; B23Q; B23Q16/00; Y; Y10; Y10T; Y10T408/00; Y10T408/16; Y10T408/17; Y10T408/172; Y10T408/175; Y10T408/91; Y10T408/93; Y10T408/935
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
AN APPARATUS FOR AUTOMATICALLY CONTROLLING A TRAVERSING SPINDLE CARRYING A TOOL IN A MACHINE COMPRISING A SPINDLE, A TOOL IN SAID SPINDLE, HYDRAULIC FLUID MEANS FOR EFFECTING TRAVERSE OF SAID SPINDLE, SAID HYDRAULIC FLUID EXERTING FLUID PRESSURE IN RESPONSE TO PRESETTABLE AUTOMATIC CONTROL MEANS, AND PRESETTABLE CONTROL MEANS INITIALLY OPERABLE TO MOVE SAID SPINDLE TO CONTACT WITH A WORKPIECE, MEANS FOR STOPPING THE FLOW OF FLUID PRESSURE UPON CONTACT OF SAID TOOL IN SAID SPINDLE WITH SAID WORKPIECE A POWER FEED, AND MEANS FOR SIMULTANEOUSLY ENGAGING SAID POWER FEED, WHEN SAID TOOL CONTACTS SAID WORKPIECE, COMPRISING, A PRESSURE SWITCH, AN ELECTRICAL ELEMENT IN SAID PRESSURE SWITCH, SAID ELECTRICAL ELEMENT IN SAID SWITCH PRODUCING A SIGNAL WHEN THE FLOW OF FLUID PRESSURE IS STOPPED, A POWER FEED FOR SAID SPINDLE, SAID POWER FEED ACTIVATED BY SAID SIGNAL FROM SAID ELECTRICAL ELEMENT, AND MEANS FOR FEEDING SAID TOOL INTO A WORKPIECE TO A PREDETERMINED DEPTH AND MEANS FOR RAPIDLY RETRACTING SAID SPINDLE AND TOOL FROM SAID WORKPIECE AFTER A PREDETERMINED DEPTH OF SAID TOOL HAS BEEN REACHED.
Claim 2
Independent Claim
175 words
AN APPARATUS FOR AUTOMATICALLY CONTROLLING A TRAVERSING SPINDLE CARRYING A TOOL IN A MACHINE COMPRISING A SPINDLE, A TOOL IN SAID SPINDLE, HYDRAULIC FLUID MEANS FOR EFFECTING TRAVERSE OF SAID SPINDLE, SAID HYDRAULIC FLUID EXERTING FLUID PRESSURE IN RESPONSE TO PRESETTABLE AUTOMATIC CONTROL MEANS, AND PRESETTABLE CONTROL MEANS INITIALLY OPERABLE TO MOVE SAID SPINDLE TO CONTACT WITH A WORKPIECE, MEANS FOR STOPPING THE FLOW OF FLUID PRESSURE UPON CONTACT OF SAID TOOL IN SAID SPINDLE WITH SAID WORKPIECE A POWER FEED, AND MEANS FOR SIMULTANEOUSLY ENGAGING SAID POWER FEED, WHEN SAID TOOL CONTACTS SAID WORKPIECE, COMPRISING, A PRESSURE SWITCH, AN ELECTRICAL ELEMENT IN SAID PRESSURE SWITCH, SAID ELECTRICAL ELEMENT IN SAID SWITCH PRODUCING A SIGNAL WHEN THE FLOW OF FLUID PRESSURE IS STOPPED, A POWER FEED FOR SAID SPINDLE, SAID POWER FEED ACTIVATED BY SAID SIGNAL FROM SAID ELECTRICAL ELEMENT, AND MEANS FOR FEEDING SAID TOOL INTO A WORKPIECE TO A PREDETERMINED DEPTH AND MEANS FOR RAPIDLY RETRACTING SAID SPINDLE AND TOOL FROM SAID WORKPIECE AFTER A PREDETERMINED DEPTH OF SAID TOOL HAS BEEN REACHED.
References Cited (Backward Citations)
US2071539A
Cited
US2854869A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |