Patent US3389413A successfully refreshed from Google Patents.
US3389413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single spindle tap unit
Assignee: Cross Co
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Filing: 1966-07-11
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Granted: 1968-06-25
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Expires: 1986-07-11
Abstract
No abstract record available.
Inventors
- 👤 Kieboom Johannes L Van Den
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:07
CPC Classifications
B; B23; B23G; B23G1/00; B23G1/16; Y; Y10; Y10T; Y10T408/00; Y10T408/65; Y10T408/675; Y10T408/6757
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A SINGLE SPINDLE TAP UNIT COMPRISING A SUPPORT, A SPINDLE ADAPTED TO HAVE A TAPPING TOOL ATTACHED THERETO AND ROTATABLY MOUNTED ON SAID SUPPORT FOR ROTATION ABOUT AN AXIS, GUIDE MEANS CARRIED BY SAID SUPPORT AND DISPOSED PARALLEL TO SAID AXIS, NUT MEANS GUIDABLY MOUNTED ON SAID GUIDE MEANS AND ARRANGED IN A COAXIAL RELATION WITH SAID SPINDLE, SCREW MEANS SECURED TO SAID SPINDLE AND THREADABLY SUPPORTED IN SAID NUT MEANS, A DRIVE SHAFT FOR SAID SPINDLE ARRANGED IN A TELESCOPING RELATION THEREWITH AND OPERABLE UPON ROTATION TO ROTATE SAID SCREW MEANS IN SAID NUT MEANS SO AS TO ADVANCE SAID SPINDLE WITH RESPECT TO SAID NUT MEANS, AND MEANS MOUNTED ON SAID SUPPORT AND CONNECTED TO SAID NUT MEANS PROVIDING FOR TRANSLATORY MOVEMENT OF SAID NUT MEANS ON SAID GUIDE MEANS TO MOVE SAID SPINDLE ALONG SAID AXIS.
Claim 2
Dependent Claim
139 words
A SINGLE SPINDLE TAP UNIT COMPRISING A SUPPORT, A SPINDLE ADAPTED TO HAVE A TAPPING TOOL ATTACHED THERETO AND ROTATABLY MOUNTED ON SAID SUPPORT FOR ROTATION ABOUT AN AXIS, GUIDE MEANS CARRIED BY SAID SUPPORT AND DISPOSED PARALLEL TO SAID AXIS, NUT MEANS GUIDABLY MOUNTED ON SAID GUIDE MEANS AND ARRANGED IN A COAXIAL RELATION WITH SAID SPINDLE, SCREW MEANS SECURED TO SAID SPINDLE AND THREADABLY SUPPORTED IN SAID NUT MEANS, A DRIVE SHAFT FOR SAID SPINDLE ARRANGED IN A TELESCOPING RELATION THEREWITH AND OPERABLE UPON ROTATION TO ROTATE SAID SCREW MEANS IN SAID NUT MEANS SO AS TO ADVANCE SAID SPINDLE WITH RESPECT TO SAID NUT MEANS, AND MEANS MOUNTED ON SAID SUPPORT AND CONNECTED TO SAID NUT MEANS PROVIDING FOR TRANSLATORY MOVEMENT OF SAID NUT MEANS ON SAID GUIDE MEANS TO MOVE SAID SPINDLE ALONG SAID AXIS.
References Cited (Backward Citations)
US3178740A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-25 | 1971-12-25 | 1972-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-25 | 1975-12-25 | 1976-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-25 | 1979-12-25 | 1980-06-25 | $7700.00 | Window Closed / Lapsed |